Bios Rom - HP xw4550 Service And Technical Reference Manual

of the mode selected. To manually switch to POST Messages Enabled during POST, press any
key (except
●
Establish an Ownership Tag, the text of which is displayed each time the system is powered on or
restarted.
●
Enter the Asset Tag or property identification number assigned by your company to this
workstation.
●
Enable power-on password prompting during system restarts (warm boots) and power-on.
●
Hide or make available the integrated I/O functionality, including the serial, or USB ports, audio, or
embedded network interface controller (NIC). Any hidden devices are inaccessible and increase
overall system security.
●
Enable or disable removable media boot ability.
●
Enable or disable removable media write ability (when supported by hardware).
●
Replicate your system setup by saving system configuration information on diskette and restoring
it on one or more workstations.
●
Execute self-tests on specified SATA hard drives (when supported by the drive).

BIOS ROM

The BIOS of the computer is a collection of machine language programs stored as firmware in ROM.
The BIOS ROM includes such functions as POST, PCI device initialization, plug-in-play support, power
management activities, and the Computer Setup (F10) Utility. The firmware contained in the BIOS ROM
supports the following systems and specifications:
●
Microsoft WHQL
●
Alert-On-LAN (AOL) and Wake-On-LAN (WOL)
●
ACPI 1.0 and OnNow
●
SMBIOS 2.3.5
●
PC98/99/00 and NetPC
● PXE boot ROM for the integrated LAN controller
●
BIOS Boot Specification 1.01
●
Enhanced Disk Drive Specification 3.0
●
"El Torito" Bootable CD-ROM Format Specification 1.0
●
ATAPI Removable Media Device BIOS Specification 1.0
●
MPS Specification 1.4 (for booting Linux SMP)
The BIOS ROM is a 1MB Serial Peripheral Interface (SPI) part. The runtime portion of the BIOS resides
in a 128-K block from E0000h to FFFFFh.
26 Chapter 3 System management
F1 through F12).
ENWW