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3. Summary of BIOS Requirements
Item
BIOS Vendor
Revision
Implemented
Specification
Supported Operating
System (O.S.)
Boot Block
Crisis Recovery
BIOS Update
CPU
DRAM
Cache
Security
Display
Floppy Drive
Hard Disk
Multiple Boot
Plug and Play
ACPI
SpeedStep(Geyserville
III)
PXE
Battery
AC Power
Keyboard/Mouse
PCI / AMC'97 Device
Power Management
AMI
8.0
PCI Express 1.0, ACPI 1.0b/2.0, PCI BIOS 2.0, PnP 1.0a, SMBIOS (DMI) 2.3.3, SMBus
BIOS 1.0, PXE 2.0, Quick Boot, BIOS Boot Flag, Enhanced BIOS Services for Disk
Drive, Bootable CD-ROM Format, ATAPI Removable Media Device BIOS, PARTIES,
Intel's SpeedStep, and so on.
Windows XP SP2
32 KB boot block is used for initializing DRAM, checking BIOS integrity, decompressing
POST/Run-Time BIOS, and doing crisis recovery of BIOS if necessary.
Recover BIOS from a hard disk, a host PC connected to parallel port, or a proprietary
debug card of ASUS.
Update BIOS at DOS or Windows, or from a proprietary debug card, or from a host PC
via parallel port.
Automatically detect the CPU type and speed; Support CPU host frequency selection.
Support SPD and automatic memory sizing; always shadow VGA BIOS and system
BIOS as well as shadow NIC boot ROM by selection.
Always enable L1 and L2 caches.
Unique password protection for system and HDD; dynamic backdoor (master) password
verification.
Automatically detect and switch among LCD, CRT, and TV display devices when
display-switching combination hot key, Fn+F8, pressed.
3 mode floppy supported
Support automatic device detection, LBA (28/48 bits) mode for larger capacity HDD,
32-bit PIO transfer, multiple sector transfer, fast PIO mode 1-4, Multiword DMA mode
0-2, Ultra DMA (33/66/100) mode 0-5, SMART function, PARTIES function, and
password protection.
Boot up an operating system from legacy floppy, IDE Hard Disk / CD-ROM, USB ZIP /
CDROM / Floppy / LS-120 & 240 / Hard Disk / Flash Memory Device, or a remote server
via LAN (PXE/INT18 Network Boot).
Support PnP run time service and conflict-free allocation of resource during POST
Support C0, C1, C2/C2E, C3, C4/C4E, S0, S3, S4, & S5 power management modes,
control method battery, and proprietary on-screen display utility.
Support Intel's applet (rev. 3.x) and Windows XP Native Process Performance Control.
Support PXE LAN boot.
Provide control method battery interface for ACPI-enabled O.S., support APM 1.2 "Get
Power Status" function, and calibrate capacity when invoked from setup menu.
Set AC power ON/OFF trigger conditions and report its state to operating system
accordingly.
Support U.S./Japan/U.K. keyboards, USB legacy keyboard, built-in Glide Pad, and
function hot keys.
Initialize and allocate required system source including IRQ, DMA channel, I/O port,
memory range, and primary / subordinate bus number as well as sub-system and
sub-vendor Ids.
The power management methodology is compliant with ACPI 1.0B/2.0 specifications.
The supported power states are:
Full On
Stand-by
Suspend to RAM (STR or S3) on ACPI-enabled O.S. only
Suspend to Disk (STD or S4) on ACPI-enabled O.S. only
Soft Off (S5)
6-6
BIOS SPECIFICATION
Description
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