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BIOS SPECIFICATION
6-6
3. Summary of BIOS Requirements
Item Description
BIOS Vendor AMI
Revision 8.0
Implemented
Specification
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.
Supported Operating
System (O.S.)
Windows XP SP2
Boot Block 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.
Crisis Recovery Recover BIOS from a hard disk, a host PC connected to parallel port, or a proprietary
debug card of ASUS.
BIOS Update Update BIOS at DOS or Windows, or from a proprietary debug card, or from a host PC
via parallel port.
CPU Automatically detect the CPU type and speed; Support CPU host frequency selection.
DRAM Support SPD and automatic memory sizing; always shadow VGA BIOS and system
BIOS as well as shadow NIC boot ROM by selection.
Cache Always enable L1 and L2 caches.
Security Unique password protection for system and HDD; dynamic backdoor (master) password
verification.
Display Automatically detect and switch among LCD, CRT, and TV display devices when
display-switching combination hot key, Fn+F8, pressed.
Floppy Drive 3 mode floppy supported
Hard Disk 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.
Multiple Boot 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).
Plug and Play Support PnP run time service and conflict-free allocation of resource during POST
ACPI Support C0, C1, C2/C2E, C3, C4/C4E, S0, S3, S4, & S5 power management modes,
control method battery, and proprietary on-screen display utility.
SpeedStep(Geyserville
III)
Support Intel’s applet (rev. 3.x) and Windows XP Native Process Performance Control.
PXE Support PXE LAN boot.
Battery 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.
AC Power Set AC power ON/OFF trigger conditions and report its state to operating system
accordingly.
Keyboard/Mouse Support U.S./Japan/U.K. keyboards, USB legacy keyboard, built-in Glide Pad, and
function hot keys.
PCI / AMC’97 Device 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.
Power Management
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)