Since every motherboard manufacturer modifies AMIBIOS to suit their motherboard's needs, the following setup information may or may not be correct for your motherboard. The features listed below may or may not be available for your particular motherboard. To obtain the proper setup information you should contact the manufacturer of your motherboard. If you have AMIBIOS installed on your computer, it does not necessarily mean that your motherboard is manufactured by American Megatrends.

1. 686 Amibios Motherboard Specs
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• Let's show you an example of an AMI BIOS id: 51-0102-111-101094-AMIS123-P. To find your motherboard manfacturer, please look at the third (3) set of numbers in your BIOS string. In this case it's 1101 and by matching this with the AMI BIOS ID list below it.
• Means unknown data. Notes Almost all BIOS images were read directly from ROMs. BIOS ROM on some motherboards (TD60C (286,Citygate) for example) connected to chipset in unusual way (some address lines are swapped), so reading BIOS from memory will lead to incorrect result. BIOS descriptions discrete chips.

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All Specifications Subject to Change without Prior Notice. All Company and Product Names are Trademarks of the Respective Companies.

Disclaimer of Warranty

DEW Associates Corporation assumes no responsibility for errors or omissions in these materials. This information and these material are provided 'AS IS' without warranty of any kind, either express or implied, including but not limited to, the implied warranties of merchantability, fitness for a particular purpose, or non-infringement. DEW Associates Corporation further does not warrant the accuracy or completeness of the following information, text, graphics, links or other items contained within the following materials. DEW Associates Corporation shall not be liable for any special, indirect, incidental, or consequential damages, including without limitation, lost revenues or lost profits, which may result from the use of these materials. We or the manufacturer may make changes to these materials, or to the products described at any time without notice. We make no commitment to update the information contained herein.

The WINBIOS Setup main menu is organized into four windows. Each window corresponds to a section below, with each window and each section containing several icons. Clicking on an icon activates a specific function. The WINBIOS Setup icons and functions are described as follows:

Windows	Function
Setup	This section has five icons that permit you to set system configuration options such as date, time, hard disk type, floppy type, and many others.
Utilities	Has four icons that perform system functions.
Security	Has two icons that control AMIBIOS security features.
Default	This section has three icons that permit you to select a group of settings for all WINBIOS Setup options.

Default Settings

Each WINBIOS Setup option has two default settings. These settings can be appliedto all WINBIOS Setup options when you select the Default section on the WINBIOS Setup main menu. The types of defaults are:

Defaults	Description
OptimalOptimal default setting	These settings provide the best performance characteristics.
Fail-SafeFail-Safe default setting	These settings are more likely to configure a workable computer when something is wrong. If you cannot boot the computer successfully, select the Fail-Safe WINBIOS Setup options and try to diagnose the problem after the computer boots. These settings do not provide optimal performance.

Setup Types

WINBIOS Setup can have up to six separate screens. Different types of system configuration parameters are set on each screen.

Type	Description
Standard Setup	Set the time and date. Configure disk drives.
Advanced Setup	Configure basic system performance parameters.
Chipset Setup	Configure features specific to the chipset used in the computer.
Power Management Setup	Configure power conservation features.
PCI/PnP Setup	Configure PCI and Plug-and-Play features.
Peripheral Setup	Configure I/O support.

Standard Setup

Standard Setup options are displayed by choosing the Standard icon from the WINBIOS Setup menu. All Standard Setup options are described below.

Date/Time Select the Date/Time option to change the date or time. The current date and time are displayed. Enter new values through the displayed window.

Floppy Drive A, B Choose the Floppy Drive A or B icon to specify the floppy drive type. The settings are 360 KB 5¼', 1.2 MB 5¼', 720 KB 3½', 1.44 MB 3½', or 2.88 MB 3½'.

Pri Master

Pri Slave

Sec Master

Sec Slave

Choose these icons to configure the hard disk drive named in the option. When you click on an icon, the following parameters are listed: Type, LBA/Large Mode, Block Mode, 32Bit Mode, and PIO Mode. All parameters relate to IDE drives except Type.

Configuring an MFM Drive If configuring an old MFM hard disk drive, you must know the drive parameters (number of heads, number of cylinders, number of sectors, the starting write precompensation cylinder, and drive capacity). Choose Type and choose the appropriate hard disk drive type (1 - 46). The old MFM hard drive types are listed on page 82. If the drive parameters of your MFM drive do not match any drive type listed on page 82, select User in the Type field and enter the drive parameters on the screen that appears.

User-Defined Drive If you are configuring a SCSI drive or an MFM, RLL, ARLL, or ESDI drive with drive parameters that do not match drive types 1-46, you can select the User in the Type field. You must then enter the drive parameters on the screen that appears. The drive parameters include:

• Cylinder (number of cylinders),

• Hd (number of heads),

• WP (starting write precompensation cylinder),

• Sec (number of sectors),

• Size (drive capacity).

Parameter	Description
Type	The number for a drive with certain identification parameters.
CylindersNumber of Cylinders	The number of cylinders in the disk drive.
HeadsNumber of Heads	The number of heads.
Write PrecompensationWrite Precompensation	The size of a sector gets progressively smaller as the track diameter diminishes. Yet each sector must still hold 512 bytes. Write precompensation circuitry on the hard disk compensates for the physical difference in sector size by boosting the write current for sectors on inner tracks. This parameter is the track number where write precompensation begins.
Landing ZoneLanding Zone	This number is the cylinder location where the heads will normally park when the system is shut down.
SectorsNumber of Sectors	The number of sectors per track. MFM drives have 17 sectors per track. RLL drives have 26 sectors per track. ESDI drives have 34 sectors per track. SCSI and IDE drives have more sectors per track.
CapacityHard Disk Drive Capacity	The formatted capacity of the drive is (Number of heads) x (Number of cylinders) x (Number of sectors per track) x (512 bytes per sector)

Configuring IDE Drives If the hard disk drive to be configured is an IDE drive, select the appropriate drive icon (Pri Master, Pri Slave, Sec Master, or Sec Slave). Select the IDE Detect icon to automatically detect all drive parameters.

AMIBIOS automatically detects the IDE drive parameters (including ATAPI CD-ROM drives) and displays them. Click on the OK button to accept these parameters Or you can set the parameters manually if you are absolutely certain that you know the correct IDE drive parameters.

Click on LBA/Large Mode and choose On to enable support for IDE drives with capacities greater than 528 MB. Trials evolution crack download.

Click on Block Mode and choose On to support IDE drives that use Block Mode.

Click on 32Bit Mode and click on On to support IDE drives that permit 32-bit accesses.

Click on PIO Mode to select the IDE Programmed I/O mode. PIO programming also works with ATAPI CD-ROM drives. The settings are Auto, 0, 1, 2, 3, 4, or 5. Click on Auto to allow AMIBIOS to automatically find the PIO mode that the IDE drive being configured uses. If you select 0-5 you must make absolutely certain that you are selecting the PIO mode supported by the IDE drive being configured.

Configuring a CD-ROM Drive Select the appropriate drive icon (Pri Master, Pri Slave, Sec Master, or Sec Slave). Choose the Type parameter and select CDROM. You can boot the computer from a CD-ROM drive. You can also choose Auto and let AMIBIOS will automatically set the correct drive parameters.

Hard Disk Drive Types

Type	Cylinders	Heads	Write Precompensation	Landing Zone	Sectors	Capacity
1	306	4	128	305	17	10 MB
2	615	4	300	615	17	20 MB
3	615	6	300	615	17	31 MB
4	940	8	512	940	17	62 MB
5	940	6	512	940	17	47 MB
6	615	4	65535	615	17	20 MB
7	462	8	256	511	17	31 MB
8	733	5	65535	733	17	30 MB
9	900	15	65535	901	17	112 MB
10	820	3	65535	820	17	20 MB
11	855	5	65535	855	17	35 MB
12	855	7	65535	855	17	50 MB
13	306	8	128	319	17	20 MB
14	733	7	65535	733	17	43 MB
16	612	4	0	663	17	20 MB
17	977	5	300	977	17	41 MB
18	977	7	65535	977	17	57 MB
19	1024	7	512	1023	17	60 MB
20	733	5	300	732	17	30 MB
21	733	7	300	732	17	43 MB
22	733	5	300	733	17	30 MB
23	306	4	0	336	17	10 MB
24	925	7	0	925	17	54 MB
25	925	9	65535	925	17	69 MB
26	754	7	754	754	17	44 MB
27	754	11	65535	754	17	69 MB
28	699	7	256	699	17	41 MB
29	823	10	65535	823	17	68 MB
30	918	7	918	918	17	53 MB
31	1024	11	65535	1024	17	94 MB
32	1024	15	65535	1024	17	128 MB
33	1024	5	1024	1024	17	43 MB
34	612	2	128	612	17	10 MB
35	1024	9	65535	1024	17	77 MB
36	1024	8	512	1024	17	68 MB
37	615	8	128	615	17	41 MB
38	987	3	987	987	17	25 MB
39	987	7	987	987	17	57 MB
40	820	6	820	820	17	41 MB
41	977	5	977	977	17	41 MB
42	981	5	981	981	17	41 MB
43	830	7	512	830	17	48 MB
44	830	10	65535	830	17	69 MB
45	917	15	65535	918	17	114 MB
46	1224	15	65535	1223	17	152 MB
USER-DEFINED HARD DRIVE - Enter user-supplied parameters.

Advanced Setup

Advanced Setup options are displayed by choosing the Advanced icon from the WINBIOS Setup main menu. All Advanced Setup options are described in this section.

Quick BootSet this option to Enabled to instruct AMIBIOS to boot quickly when the computer is powered on. This option replaces the old Above 1 MB Memory Test Advanced Setup option. The settings are:

Setting	Description
Disabled	AMIBIOS test all system memory. AMIBIOS waits up to 40 seconds for a READY signal from the IDE hard disk drive. AMIBIOS waits for .5 seconds after sending a RESET signal to the IDE drive to allow the IDE drive time to get ready again. AMIBIOS checks for a <Del> key press and runs WINBIOS Setup if the key has been pressed.
Enabled	AMIBIOS does not test system memory above 1 MB. AMIBIOS does not wait up to 40 seconds for a READY signal from the IDE hard disk drive. If a READY signal is not received immediately from the IDE drive, AMIBIOS does not configure that drive. AMIBIOS does not wait for .5 seconds after sending a RESET signal to the IDE drive to allow the IDE drive time to get ready again. You cannot run WINBIOS Setup at system boot, because there is no delay for the Hit <Del> to run Setup message.

The Optimal and Fail-Safe default settings are Enabled.

Boot Up Sequence This option sets the sequence of boot drives (floppy drive A:, hard disk drive C:, or a CD-ROM drive) that the AMIBIOS attempts to boot from after AMIBIOS POST completes. The settings are C:,A:,CDROM, CDROM,A:,C:, or A:,C:, CDROM. The default settings are C:,A:,CDROM.

Boot Up CPU Speed This option lets you specify the CPU speed at system boot. The settings are Low or High. The Optimal and Fail-Safe default settings are High.

Boot Up Num LockSet this option to Off to turn the Num Lock key off when the computer is booted so you can use the arrow keys on both the numeric keypad and the keyboard. The settings are On or Off. The default settings are On.

Turbo Switch Set this option to Enabled to permit AMIBIOS to control the hardware turbo (speed) switch. The settings are Disabled or Enabled. The Optimal and Fail-Safe default settings are Disabled.

Floppy Drive Swap Set this option to Enabled to permit drives A: and B: to be swapped. The settings are Enabled or Disabled. The default settings are Disabled.

Floppy Drive Seek Set this option to Enabled to specify that floppy drive A: will perform a Seek operation at system boot. The settings are Disabled or Enabled. The Optimal and Fail-Safe default settings are Disabled.

Mouse Support When this option is set to Enabled, AMIBIOS supports a PS/2-type mouse. The settings are Enabled or Disabled. The default settings are Disabled. System Boot Up Sequence.

Typematic Rate This option specifies the speed at which a keyboard keystroke is repeated. The settings are Fast or Slow. The Optimal and Fail-Safe default settings are Fast.

System Keyboard This option specifies that a keyboard is attached to the computer. The settings are Present or Absent. The Optimal and Fail-Safe default settings are Present.

Primary Display This option specifies the type of display monitor and adapter in the computer. The settings are Mono, CGA40, CGA80, EGA/VGA, or Absent. The Optimal and Fail-Safe default settings are EGA/VGA.

Password Check This option enables password checking every time the computer is powered on or every time WINBIOS Setup is executed. If Always is chosen, a user password prompt appears every time the computer is turned on. If Setup is chosen, the password prompt appears if WINBIOS is executed. The Optimal and Power-On defaults are Setup.

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Parity Check Set this option to Enabled to check the parity of all system memory. The settings are Disabled or Enabled. The Optimal and Fail-Safe default settings are Disabled.

OS/2 Compatible Mode Set this option to Enabled to permit AMIBIOS to run with IBM OS/2. The settings are Enabled or Disabled. The default settings are Disabled.

Wait For F1 if Error AMIBIOSPOST error messages are followed by:Press <F1> to continue

If this option is set to Disabled, AMIBIOS does not wait for you to press the <F1> key after an error message. The settings are Disabled or Enabled. The Optimal and Fail-Safe default settings are Enabled.

Hit Del Message Display Set this option to Disabled to prevent Hit <DEL> if you want to run Setup. from appearing on the first AMIBIOS screen when the computer boots. The settings are Disabled or Enabled. The Optimal and Fail-Safe default settings are Enabled.

CPU Selection This option allows you to select the type of CPU installed in the computer. The settings are Auto (AMIBIOS automatically determines the CPU type) or Intel. The Optimal and Fail-Safe default settings are Auto.

Internal Cache This option specifies the caching algorithm used for L1 internal cache memory. The settings are:

Setting	Description
Disabled	Neither L1 internal cache memory on the CPU or L2 secondary cache memory is enabled.
WriteBack (default)	Use the write-back caching algorithm.
WriteThru	Use the write-through caching algorithm.

External Cache This option specifies the caching algorithm used for L2 secondary (external) cache memory. The settings are:

Setting	Description
Disabled	Neither L1 internal cache memory on the CPU or L2 secondary cache memory is enabled.
WriteBack (default)	Use the write-back caching algorithm.
WriteThru	Use the write-through caching algorithm.

System BIOS Shadow Cacheable When this option is set to Enabled, the contents of the F0000h system memory segment can be read from or written to L2 secondary cache memory. The contents of the F0000h memory segment are always copied from the BIOS ROM to system RAM for faster execution.

The settings are Enabled or Disabled. The Optimal default setting is Enabled. The Fail-Safe default setting is Disabled.

C000,16K Shadow

C400,16K Shadow

C800,16K Shadow

CC00,16K Shadow

D000,16K Shadow

D400,16K Shadow

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D800,16K Shadow

C000,16K Shadow

These options control the location of the contents of the 16KB of ROM beginning at the specified memory location. If no adaptor ROM is using the named ROM area, this area is made available to the local bus. The settings are:

Setting	Description
Shadow	The contents of C0000h - C3FFFh are written to the same address in system memory (RAM) for faster execution.
Cache	The contents of the named ROM area are written to the same address in system memory (RAM) for faster execution, if an adaptor ROM will be using the named ROM area. Also, the contents of the RAM area can be read from and written to cache memory.
Disabled	The video ROM is not copied to RAM. The contents of the video ROM cannot be read from or written to cache memory.

The default setting is Cache.

In the AMIBIOS for the Intel Triton chipset, the E000h page is used as ROM during POST, but shadowing is disabled and the ROM CS# signal is disabled to make the E000h page available on the local bus.

P6 Microcode Update Set this option to Enabled to allow the Pentium Pro microcode to be updated. The settings are Disabled or Enabled. The optimal and Fail-Safe default settings are Disabled.

Chipset Setup

Memory Hole Use this option to specify an area in memory that cannot be addressed on the ISA bus. The settings are Disabled, 512-640K, or 15-16MB. The default setting is Disabled.

DRAM Speed Specify the RAS access speed of the SIMMs installed in the motherboard as system memory. The settings are 60ns or 70 ns. The default is 70ns.

Caution: If you have installed SIMMs with different speeds in the motherboard, select the speed of the slowest SIMM. You must always use SIMMs that have the same speed within a memory bank.

IRQ12/M Mouse Function Set this option to Enabled to specify that IRQ12 will be used for the mouse. The settings are Disabled or Enabled. The Optimal and Fail-Safe default settings are Enabled.

8-Bit I/O Recovery Time (SYSCLK) This option specifies the length of the delay (in SYSCLKs) inserted between consecutive 8-bit I/O operations. The settings are 1, 2, 3, 4, 5, 6, 7, or 8. The Optimal and Fail-Safe default settings are 2.

16-Bit I/O Recovery Time (SYSCLK) This option specifies the length of the delay (in SYSCLKs) inserted between consecutive 16-bit I/O operations. The settings are 1, 2, 3, 4, 5, 6, 7, or 8. The Optimal and Fail-Safe default settings are 2.

Power Management Setup

Power Management Setup options are displayed by choosing the Power Management icon from the WINBIOS Setup main menu. All Power Management Setup options are described in this section.

Power Management Set this option to Enabled to enable the power management and APM (Advanced Power Management) features.

The settings are Enabled or Disabled. The default settings are Disabled.

InstantON Support Set this option to Enabled to allow the computer to go to full power on mode when leaving a power-conserving state. This option is only available if supported by the computer hardware. AMIBIOS uses the RTC Alarm function to wake the computer at a prespecified time. The settings are Enabled or Disabled. The default settings are Disabled.

Green PC Monitor Power State This option specifies the power management state that the Green PC-compliant video monitor enters after the specified period of display inactivity has expired. The settings are Disabled, Off, Standby, or Suspend. The default settings are Disabled.

Video Power Down Mode This option specifies the power management state that the video subsystem enters after the specified period of display inactivity has expired. The settings are Disabled, Standby, or Suspend. The default settings are Disabled.

Hard Disk Power Down Mode This option specifies the power management state that the hard disk drive enters after the specified period of display inactivity has expired. The settings are Disabled, Standby, or Suspend. The default settings are Disabled.

Hard Disk Timeout (Min) This option specifies the length of a period of hard disk inactivity. When this period expires, the hard disk drive enters the power-conserving mode specified in the Hard Disk Power Down Mode option described on the previous page. The settings are Disabled, 1 Min (minutes), and all one minute intervals up to and including 15 Min. The default settings are Disabled.

Full-On to Standby Timeout This option specifies the length of the period of system inactivity when the computer is in Full-On mode before the computer is placed in Standby mode. In Standby mode, some power use is curtailed. The settings are Disabled, 1 Min, 2 Min, and all one minute intervals up to and including 15 Min. The default settings are Disabled.

Standby to Suspend Timeout This option specifies the length of the period of system inactivity when the computer is already in Standby mode before the computer is placed in Suspend mode. In Suspend mode, nearly all power use is curtailed. The settings are Disabled, 1 Min, 2 Min, and all one minute intervals up to and including 15 Min. The default settings are Disabled.

Slow Clock Ratio This option specifies the speed at which the system clock runs in power saving modes. The settings are expressed as a ratio between the normal clock speed and the power down clock speed. The settings are 1:1, 1:2 (half as fast as normal), 1:4 (the normal clock speed), 1:8, 1:16, 1:32, 1:64, or 1:128. The default setting is 1:1.

Display Activity This option specifies if AMIBIOS is to monitor activity on the display monitor for power conservation purposes. When this options set to Monitor and there is no display activity for the length of time specified in the value in the Full-On to Standby Timeout (Min) option, the computer enters a power saving state. The settings are Monitor or Ignore. The default settings are Ignore.

IRQ 3

IRQ 4

IRQ 5

IRQ 7

IRQ 9

IRQ 10

IRQ 11

IRQ 12

IRQ 13

IRQ 14

IRQ 15

These options enable event monitoring. When the computer is in a power saving mode, activity on the named interrupt request line is monitored by AMIBIOS. When any activity occurs, the computer enters Full On mode.

Each of these options can be set to Monitor or Ignore. The default setting for all options is Ignore.

PCI/PnP Setup

PCI/PnP Setup options are displayed by choosing the PCI/PnP Setup icon from the WINBIOS Setup main menu. All PCI/PnP Setup options are described in this section.

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Plug and Play Aware OS Set this option to Yes if the operating system installed in the computer is Plug and Play-aware. AMIBIOS only detects and enables PnP ISA adapter cards that are required for system boot. The Windows 95 operating system detects and enables all other PnP-aware adapter cards. Windows 95 is PnP-aware. Set this option to No if the operating system (such as DOS, OS/2, Windows 3.x) does not use PnP. You must set this option correctly or PnP-aware adapter cards installed in your computer will not be configured properly. The settings are No or Yes. The Optimal and Fail-Safe default settings are No.

PCI Burst Mode Set this option to Enabled to enable PCI burst mode. The settings are Disabled or Enabled. The Optimal default setting is Enabled. The Fail-Safe default setting is Disabled.

PCI Latency Timer (in PCI Clocks) This option sets latency of all PCI devices on the PCI bus. The settings are in units equal to PCI clocks. The settings are 32, 64, 96, 128, 160, 192, 224, or 248. The Optimal and Fail-Safe default settings are 64.

PCI VGA Palette Snoop This option must be set to Enabled if any ISA adapter card installed in the computer requires VGA palette snooping. The settings are Disabled or Enabled. The Optimal and Fail-Safe default settings are Disabled.

PCI IDE Bus Master Set this option to Enabled to specify that the IDE controller on the PCI local bus has bus mastering capability. The settings are Disabled or Enabled. The Optimal and Fail-Safe default settings are Disabled.

Offboard PCI IDE Card This option specifies if an offboard PCI IDE controller adapter card is used in the computer. You must also specify the PCI expansion slot on the motherboard where the offboard PCI IDE controller card is installed. If an offboard PCI IDE controller is used, the onboard IDE controller on the motherboard is automatically disabled. The settings are Disabled, Auto, Slot1, Slot2, Slot3, or Slot4.

If Auto is selected, AMIBIOS automatically determines the correct setting for this option. The Optimal and Fail-Safe default settings are Auto.

In the AMIBIOS for the Intel Triton chipset, this option forces IRQ 14 and 15 to a PCI slot on the PCI local bus. This is necessary to support non-compliant PCI IDE adapter cards.

Offboard PCI IDE Primary IRQ This option specifies the PCI interrupt used by the primary IDE channel on the offboard PCI IDE controller. The settings are Disabled, INTA, INTB, INTC, or INTD. The Optimal and Fail-Safe default settings are Disabled.

Offboard PCI IDE Secondary IRQ This option specifies the PCI interrupt used by the secondary IDE channel on the offboard PCI IDE controller. The settings are Disabled, INTA, INTB, INTC, or INTD. The Optimal and Fail-Safe default settings are Disabled.

IRQ3

IRQ4

IRQ5

IRQ7

IRQ9

IRQ10

IRQ11

IRQ12

IRQ14

IRQ15

These options specify the bus that the named interrupt request lines (IRQs) are used on. These options allow you to specify IRQs for use by legacy ISA adapter cards.

These options determine if AMIBIOS should remove an IRQ from the pool of available IRQs passed to BIOS configurable devices. The available IRQ pool is determined by reading the ESCD NVRAM. If more IRQs must be removed from the pool, the end user can use these PCI/PnP Setup options to remove the IRQ by assigning the option to the ISA/EISA setting. Onboard I/O is configurable by AMIBIOS. The IRQs used by onboard I/O are configured as PCI/PnP.

The settings are PCI/PnP or ISA/EISA. The Optimal and Fail-Safe default settings are PCI/PnP.

Reserved Memory Size This option specifies the size of the memory area reserved for legacy ISA adapter cards.

The settings are Disabled, 16K, 32K, or 64K. The Optimal and Fail-Safe default settings are Disabled.

Reserved Memory Address This option specifies the beginning address (in hex) of the reserved memory area. The specified ROM memory area is reserved for use by legacy ISA adapter cards.

The settings are C0000, C4000, C8000, CC000, D0000, D4000, D8000, or DC000. The Optimal and Fail-Safe default settings are C0000.

DMA Channels This option can be used to reserve a DMA channel for use by legacy ISA adapter cards. The settings are Disabled, DMA Ch1, DMA Ch 3, DMA Ch 5, DMA Ch 6, or DMA Ch 7. The Optimal and Fail-Safe default settings are Disabled.

Peripheral Setup

Peripheral Setup options are displayed by choosing the Peripheral Setup icon from the WINBIOS Setup main menu. All Peripheral Setup options are described in this section.

Onboard FDC This option enables the floppy drive controller on the motherboard. The settings are Enabled or Disabled. The Optimal default setting is Enabled. The Fail-Safe default setting is Disabled.

Onboard Serial Port1 This option enables serial port 1 on the motherboard and specifies the base I/O port address for serial port 1.

The settings are 3F8h, 3E8h, or Disabled. The Optimal default setting is 3F8h. The Fail-Safe default setting is Disabled.

Onboard Serial Port2 This option enables serial port 2 on the motherboard and specifies the base I/O port address for serial port 2.

The settings are 2F8h, 2E8h, or Disabled. The Optimal default setting is 3F8h. The Fail-Safe default setting is Disabled.

Onboard Parallel Port This option enables the parallel port on the motherboard and specifies the parallel port base I/O port address. The settings are 378h, 278h, or Disabled.

The Optimal default setting is 378h. The Fail-Safe default setting is Disabled.

Parallel Port Mode This option specifies the parallel port mode. ECP and EPP are both bidirectional data transfer schemes that adhere to the IEEE P1284 specifications. The settings are:

Setting	Description
Normal	The normal parallel port mode is used. This is the default setting.
Bi-Dir	Use this setting to support bidirectional transfers on the parallel port.
EPP	The parallel port can be used with devices that adhere to the Enhanced Parallel Port (EPP) specification. EPP uses the existing parallel port signals to provide asymmetric bidirectional data transfer driven by the host device.
ECP	The parallel port can be used with devices that adhere to the Extended Capabilities Port (ECP) specification. ECP uses the DMA protocol to achieve transfer rates of approximately 2.5 Mbs. ECP provides symmetric bidirectional communications.

Parallel Port DMAThis option is only available if the setting for the Parallel Port Mode option is ECP.

The settings are Disabled, DMA CH (channel) 0, DMA CH 1, or DMA CH 3. The default setting is Disabled.

Onboard Triton IDE This option specifies the onboard IDE controller channels that will be used. The settings are Primary, Secondary, Both, or Disabled. The Optimal and Fail-Safe default settings are Primary.

Security

Three icons appear in this part of the WINBIOS Setup screen:

• Supervisor (Password ),

• User (Password ), and

• Anti-Virus (see page 101).

Two Levels of Passwords Both the Supervisor and the User icons configure password support. If you use both, the Supervisor password must be set first.

The system can be configured so that all users must enter a password every time the system boots or when WINBIOS Setup is executed, using either or both the Supervisor password or User password.

AMIBIOS Password Support

The Supervisor and User icons activate two different levels of password security.

If WINBIOS Setup has an optional password feature. The system can be configured so that all users must enter a password every time the system boots or when WINBIOS Setup is executed.

Setting a Password

The password check option is enabled in Advanced Setup (see page Error! Bookmark not defined. by choosing either Always (the password prompt appears every time the system is powered on) or Setup (the password prompt appears only when WINBIOS is run). The password is encrypted and stored in NVRAM.

As shown on the above screen, you are prompted for a 1 - 6 character password. You can either type the password on the keyboard or select each letter of the password, one at a time, using the mouse. The password does not appear on the screen when typed. Make sure you write it down. If you forget it, you must drain NVRAM and reconfigure.

If You Do Not Want to Use a PasswordPress <Enter> when the password prompt appears.

Changing a Password

Select the Supervisor or User icon from the Security section of the WINBIOS Setup main menu. Enter the password and press <Enter>. The screen does not display the characters entered. After the new password is entered, retype the new password as prompted and press <Enter>.

If the password confirmation is incorrect, an error message appears. If the new password is entered without error, press <Esc>. The password is stored in NVRAM after WINBIOS completes. The next time the system boots, a password prompt appears if the password function is present and enabled.

Remember the Password Keep a record of the new password when the password is changed. If you forget the password, you must erase the system configuration information in NVRAM (Non-Volatile Random Access Memory). See page Error! Bookmark not defined. for information about erasing system configuration information.

Anti-Virus

When this icon is selected from the Security section of the WINBIOS Setup main menu, AMIBIOS issues a warning when any program (or virus) issues a Disk Format command or attempts to write to the boot sector of the hard disk drive. The settings are Enabled or Disabled. If enabled, the following appears when a write is attempted to the boot sector. You may have to type N several times to prevent the boot sector write. Boot Sector Write!!!Possible VIRUS: Continue (Y/N)? _

The following appears after any attempt to format any cylinder, head, or sector of any hard disk drive via the BIOS INT 13 Hard Disk Drive Service: Format!!!Possible VIRUS: Continue (Y/N)? _

Utility

The following icons appear in this section of the WINBIOS Setup main screen:

Color Set Color Set Color Set sets the Setup screen colors.

Language If this feature is enabled, you can select WINBIOS Setup messages in different languages.

BIOS Defaults

The icons in this section permit you to select a group of settings for all WINBIOS Setup options. Not only can you use these icons to quickly set system configuration parameters, you can choose a group of settings that have a better chance of working when the system is having configuration-related problems.

Original Choose the Original icon to return to the system configuration values present in WINBIOS Setup when you first began this WINBIOS Setup session.

Optimal You can load the optimal default settings for the WINBIOS by selecting the Optimal icon. The Optimal default settings are best-case values that should optimize system performance. If NVRAM is corrupted, the Optimal settings are loaded automatically.

Fail-Safe BIOS Setup Settings You can load the Fail-Safe WINBIOS Setup option settings by selecting the Fail-Safe icon from the Default section of the WINBIOS Setup main menu.

The Fail-Safe settings provide far from optimal system performance, but are the most stable settings. Use this option as a diagnostic aid if the system is behaving erratically.

All specifications subject to change without prior notice.
All company and product names are trademarks of the respective companies.

Removing a Bios - CMOS Password

Unfortunately, access to computers can, at times, be blocked for all of the wrong reasons. Sometimes this occurs due hardware related issues such as electrical problems or due to inadvertence, such as someone setting and then forgetting the password. It can happen as the result of accidental use of a Bios password by a new user. This also often occurs when an employee who is quitting or has been terminated, sets the Bios password as some form of retaliation against an employer. Reversing this can be time consuming as well as very frustrating depending upon the motherboard manufacturer and the make and model of the motherboard. Relax though, as it is possible to reset or disable the password.

Electrical or static related issues:

At times, and without any obvious reason, static discharges as well as other electrical problems can cause the PROM on the motherboard to reset the Bios (CMOS) to its default values and even cause the default Bios password to be set. These are some of the default Bios passwords used with different Bios's, give them a try first.

AMI Award bios setup cmos	concat AMI_SW (case sensitive) AMI!SW/ AMI?SW/ j262
NOTE: With respect to the Award BIOS, the 'AWARD_SW' (use without quotes) and (is is case sensitive) password should even override a set password! If not, you may also want try j262 as the password.

Removing Arbitrary or Revenge Passwords:

Many times we have had customers contact us explaining that either an employee or family member has set a Bios password and then forgot what it was, making access to the computer impossible. A few times we have seen vindictive employees set Bios passwords as their way of getting even with their employer. Most times though, this is a well-meaning effort on the part of an employee to secure employer data, so don't punish the employee if this is the case. As far as family members are concerned, we have heard just about every explanation possible ranging from adults trying to regulate computer use by their children or one adult trying to curb computer use by his or her significant other. We have even had some reasons that we simply can't publish here. In any event, reversing the setting of this password is not impossible, it just takes some thought and some work.

If you have tried the passwords listed above and none have worked, then there are a few more options to try. You can attempt to erase the Bios/CMOS settings and have the Bios return to its default settings or you can use use a Bios/CMOS password utility (password crack) to try and erase or reset the password.

Forcing the Bios-CMOS to be Reset to Default Values:

There are two ways to approach forcing the Bios/CMOS to be reset to its default values: Option #1: Mechanically, by removing all power to the Bios/CMOS thereby forcing it to reset itself to its stored defaults, which include no password or the default password employed by the Bios manufacturer, and Option #2: Using a program to either locate and identify the password and reveal it to you or erasing the password entirely. These are referred to as password by-pass utilities or cracks. Let's look at Option #1 first, and then move on to Option #2 if necessary.

Option #1: Mechanically Removing the Password

Most motherboards manufactured over the last decade or more use a battery to sustain the dynamic Bios/CMOS settings for the motherboards PROM chip. These dynamic settings are those manually set by either the computers manufacturer or you, the user. There are two ways to erase these dynamic settings, by either resetting a jumper on the motherboard itself (referred to as a 'clear CMOS' jumper), or by physically remove the power from the computer (disconnecting the power plug) and then removing a battery (used to maintain power to the PROM chip that contains the Bios/CMOS information) from the motherboard.

Motherboard Jumpers:

Some, but not all, motherboard manufacturers provide a set of three jumpers on their motherboards that provide you with the ability to clear the Bios/CMOS settings, thereby allowing them to be reset. For the most part this is used when the Bios/CMOS data becomes scrambled and you need to clear the Bios/CMOS in order to return the computer to a functional state. This same procedure, however, can be used to clear passwords from the Bios/CMOS setup. Typically a jumper will be found across pins #1 and #2 as the default position, and by shutting the computer down, unplugging the power cord and then moving the jumper so that it is across pins #2 and #3 will clear the Bios/CMOS settings.

Here's an example of a Supermicro PIIISEA motherboard.

As you can see from the picture, we have added two small red arrows. The arrow to the left denotes the location of the 'Clear CMOS' jumpers, while the red arrow to the right denotes the location of the CMOS battery.

Here are the procedures if the jumpers are present on the motherboard:

• Locate, if possible, the instruction booklet for your motherboard. If you cannot locate the booklet, then user the motherboard references on this site to locate the manufacturer and see if a manual is available there. You may also want to closely examine the motherboard itself.

• Shut down your computer and disconnect the power plug.

• Now identify where the jumpers are located, then check the present pin location and the location of the jumper on those pins to determine their default location. As an example, the default location on the above motherboard is to have the jumper across pins #1 and #2. Write it down!

• Next, move the jumpers from the their default location (Example: from across pins #1 and #2 as above) and then place the jumper across pins #2 and #3.

• Leave the jumper in place for 20 to 30 seconds and then return it to its default location.

• Now plug the power cord back in and restart the computer.

• When the computer begins it's startup (boot) process, tap the DEL, F10 or F1 key, (whichever is appropriate for your computer) to get into the Bios/CMOS setup. If you need more detailed information as to how to get to the Bios/CMOS setup, follow this link. Bios Basics

• Once into the Bios/CMOS setup, look for a section or area to set the Bios/CMOS to its default settings. This will return the motherboard to either its basic or optimum settings depending upon the motherboard manufacturers settings. You will then need to verify certain settings, such a CPU and memory as well as hard drive type and size recognition. If you need more information regarding these settings, follow either of these links: For an AMI Bios or for an Award Bios.

• After making any final adjustments, save your settings and restart the computer. The Bios password should be gone and the Bios set to its optimum settings.

If the 'Clear CMOS' jumpers are not present or not available:

The procedures for clearing a Bios/CMOS without jumpers is essentially the same as those given above when they are present, it just takes a little more effort.

• Shut down the computer and disconnect the power plug.

• Locate, if possible, the instruction booklet for your motherboard. If you cannot locate the booklet, then user the motherboard references on this site to locate the manufacturer and see if a manual is available there. You may also want to closely examine the motherboard itself.

• Now identify where the battery is located on the motherboard. It will be approximately 1/2 inch in diameter.

• Normally these batteries are held into place with one or more small clips over the face of the battery. Carefully lift the battery out of its socket and set it aside. Note: Some batteries are actually soldered to the motherboard, so take that into consideration and be careful.

• Leave the battery our of the computer for about 20 to 30 minutes and then return it to its socket.

• Now plug the power cord back in and restart the computer.

• When the computer begins it's startup (boot) process, tap the DEL, F10 or F1 key, (whichever is appropriate for your computer) to get into the Bios/CMOS setup. If you need more detailed information as to how to get to the Bios/CMOS setup, follow this link. Bios Basics

• Once into the Bios/CMOS setup, look for a section or area to set the Bios/CMOS to its default settings. This will return the motherboard to either its basic or optimum settings depending upon the motherboard manufacturers settings. You will then need to verify certain settings, such a CPU and memory as well as hard drive type and size recognition. If you need more information regarding these settings, follow either of these links: For an AMI Bios or for an Award Bios.

• After making any final adjustments, save your settings and restart the computer. The Bios password should be gone and the Bios set to its optimum settings.

Option 2: What to do if changing jumpers or removing batteries doesn't work:

On some motherboards there are no jumpers to be moved and the battery may be soldered into place and cannot be removed. There may also be those occasions where moving jumpers or removing batteries just won't work. This is often the case on early motherboards.

In these instances, there are three additional options to be considered.

Option #1:

You can physically remove the Bios/CMOS PROM chip from the motherboard and send it either to the motherboard manufacturer or a Bios developer for replacement of flashing. You can also send the entire motherboard to a facility experienced in these operations.

Option #2:

If the motherboard has a flash updateable Bios/CMOS PROM chip, then you can download a fresh Bios update and re-flash the PROM to eliminate the password.

Option #3:

686 Amibios 1999

As mentioned earlier, there are programs (utilities) and (cracks) that can be used to try and either identify the password or remove it forcibly from the PROM chip. Utilities to recover passwords are extremely expensive and are usually only sold to manufacturers and others involved in hardware and software development.

Smaller utilities and those referred to as Bios crack programs are readily available. These, however, are used at your own risk. Please read and understand our disclaimer before downloading any of these types of utilities. By downloading any of these utilities you are agreeing to the terms of our disclaimers.

AMI Password Viewer with Source Code	Award Flash Utility in zip format
AMI 1 Zip (Early Password Viewer - 1994 version)	Award Zip - Early password viewer
AMI 2 Zip (Password Viewer - 1995 and later)	Award1 Zip - Later password viewer
Remove Password Tool	Award 2 Zip - Latest password viewer

Notice: Any or all of the above files should only be used by those professionals completely familiar with motherboard and Bios/CMOS issues and recovery. We make no warranty of any type as to any of these files, including their usability for a particular purpose. Using these files is at your own risk!

Copyright ©2000 DEW Associates Corporation. All rights reserved.
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Year 2000 Readiness Disclosure.