HP 520 5/XX, 525 5/XX 82

4 Summary of the HP/Phoenix BIOS

Overview

The information concerning the different versions of the HP/Phoenix BIOS installed on the HP Vectra 500 Series models described in this chapter is divided into two main sections:

•The system BIOS identified by the version number GX.07.xx, installed on the HP Vectra 500 Series PC models with an HP Service Part Number: D4051-63001. For a complete list of the computers associated with this part number, refer to “D4051-63001 Models” on page 15.

•The system BIOS identified by the version number GJ.07.xx installed on the HP Vectra 500 Series PC models with the HP Service Part Numbers: D3657-63001 and D3661-63001. For a complete list of the computers associated with these part numbers, refer to “D3657-63001 Models” on page 16 and “D3661-63001 Model” on page 17.

HP/Phoenix BIOS Description

The System ROM contains the system BIOS (including the boot code, the ISA and PCI initialization, DMI, the Setup program and the Power-On Self- Test routines, plus their error messages).

The PC uses 128 KB of 200ns, Flash EEPROM implemented within a single 256 K ✕ 8-bit ROM chip. This is a ROM that can be returned to its unprogrammed state, by the application of appropriate electrical signals to its pins, and then reprogrammed with the latest upgrade firmware.

Updating the System ROM

The System ROM can be updated with the latest BIOS firmware. It can be ordered from HP or downloaded from one of the HP online services.

The System ROM is updated by running the PHLASH utility, PHLASH.EXE, which is supplied with the BIOS upgrade file, NN07xx.FUL, and the system definition file, platform.bin. You must specify the model number of the PC since the utility which is supplied for a different model cannot be used with this one. It must be run from a diskette.