HP Vectra 500 Series - Manual (Page 56)

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2 System Board - (SiS Chipset) (Part Number: D4051-63001)
BIOS (version: GX.07.xx)
BIOS (version: GX.07.xx)
The following section is an overview of the BIOS features available with the
system identified by the BIOS version: GX.07.xx, installed on the HP Vectra
500 Series PC models with an HP Service Part Number: D4051-63001. For
further detailed information about the BIOS, refer to chapter 4, Summary of
the HP/Phoenix BIOS.
HP Setup Program
The PC has many security features to protect stored data, to protect the
SETUP configuration, and to prevent unauthorized operation of software
applications:
• User password.
• Administrator password (system configuration protection).
• Power-on prompt, with user or administrator password.
• Space-bar power-on protection. (Feature may be enabled or disabled.)
• Communications port protection. (Ports can enabled or disabled.)
• Floppy disk drive protection. (Disks can be read- or write-protected.)
• Boot protection. (Boot on floppy disk , CD-ROM and hard disk can be
enabled or disabled).
Flash ROM
The PC uses 256 KB of 200ns, Flash ROM. The HP BIOS boot code contains
SETUP, video BIOS, error messages, and ISA and PCI initialization. During
programming of the Flash ROM, the power supply switch and the reset
button are disabled to prevent accidental interruption.
Little Ben
Little Ben is an HP application specific integrated circuit (ASIC) that is
connected between the chipset and the processor. It has been designed to
act as a companion to the Super I/O chip.