HP Compaq dc7800 Series User Manual

Technical Reference Guide www.hp.com 8-1
8
SYSTEM BIOS
8.1 Introduction
The System Basic Input/Output System (BIOS) of the computer is a collection of machine
language programs stored as firmware in read-only memory (ROM). The system BIOS includes
such functions as Power-On Self Test (POST), PCI device initialization, Plug 'n Play support,
power management activities, and the Setup utility. The firmware contained in the system BIOS
ROM supports the following operating systems and specifications:
■ DOS 6.2
■ Windows 2000, XP, and Vista (Home and Professional versions)
■ Windows NT 4.0 (SP6 required for PnP support)
■ OS/2 ver 2.1 and OS/2 Warp
■ SCO Unix
■ DMI 2.1
■ Intel Wired for Management (WfM) ver. 2.2
■ Alert Standard Format (ASF) 2.0
■ ACPI and OnNow
■ SMBIOS 2.4
■ Intel 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 Removeable Media Device BIOS Specification 1.0
The BIOS firmware is contained in a 1024 x 8 (8 Mb) flash ROM part. The runtime portion of
the BIOS resides in a 128KB block from E0000h to FFFFFh.
This chapter includes the following topics:
■ ROM flashing (8.2)
■ Boot functions (8.3)
■ Client management functions (8.4)
■ SMBIOS support (8.5)
■ USB legacy support (8.6)
■ Management engine functions (8.7)

HP Compaq dc7800 Series Specifications

General

Processor	Intel Core 2 Duo, Intel Pentium Dual-Core, Intel Celeron
Chipset	Intel Q35 Express
Memory	Up to 8 GB DDR2 SDRAM
Audio	Integrated High Definition Audio
Form Factor	Ultra-slim desktop, Small form factor, Convertible minitower
Storage	80GB to 500GB SATA HDD
Graphics	Integrated Intel Graphics Media Accelerator 3100
Optical Drive	DVD-ROM, DVD+/-RW
Network	Integrated Gigabit Network Connection
Ports	USB 2.0, VGA, serial, parallel, audio in/out
Operating System	Windows Vista, Windows XP, FreeDOS
Expansion Slots	1 low-profile PCI, 1 low-profile PCI Express x16
Power Supply	240W