HP dc7800 System Board, System Setup and Boot, IRQ, IRQ, Menu, Heading, Heading, System Function, System Function, Option/Description, Computer Setup Menu

System Board

System Board Connectors and Jumpers (position of some untitled components may vary in location)

E49	Password	P125	Hood sensor
J10	Quad stacked USB	P150	Media reader/ReadyBoost connector
J68	Stacked keyboard/mouse connector	P21	Secondary IDE connector
J69	Video connector	P6	Internal speaker
J70	Primary single USB port	P60	SATA0
J71	Secondary single USB port	P8	CPU fan
J72	Microphone jack	P9	Chassis fan
J75	Headphone jack	SW50	Clear CMOS
J78	Double stacked line-out/line-in	SW1	System front power button
J100	DVI connector	XBT1	Real-time-clock battery
J103	DC power input	XMM1	DIMM 1
J105	PCIe Mini Card	XMM3	DIMM 3
J9	Stacked RJ-45/Dual USB	XU1	Processor

System Setup and Boot

Basic system information regarding system information, setup, power management, hardware, and passwords is maintained in the Setup Utility held in the system ROM. The Setup Utility is accessed by pressing the F10 key when prompted (on screen) to do so during the boot sequence. If the screen prompt opportunity is missed, a restart will be necessary.

Computer Setup Menu

Heading	Option/Description
File	System Information - Lists the following main system specifications:
	•	Product name	•	Memory size/speed/ no. channels
	•	SKU number (some models)	•	Integrated MAC Address
	•	Processor type/speed/stepping	•	System BIOS
	•	Cache Size (L1/L2)	•	Chassis serial number
			•	Asset tracking number
	About - Displays copyright notice.
	Set Time and Date - Allows you to set system time and date.
	Flash System ROM - Allows you to select a drive containing a new BIOS.
	Replicated Setup - Save to Removable Media and Restore from Removable
	Media
	Default Setup
	• Save Current Settings as Default
	• Restore Factory Settings as Default
	Apply Defaults and Exit - Applies the selected default settings and clears
	any established passwords.
	Ignore Changes and Exit - Exits Computer setup without applying or sav-
	ing any changes.
	Save Changes and Exit - Saves changes to system configuration or default
	settings and exits Computer Setup.
Storage	Device Configuration - Lists all installed BIOS-controlled storage devices.
	The following options are available:
	• Diskette Type(Legacy Diskettes only)-3.5” 1.44 MB and 5.25” 1.2 MB
	•	Drive Emulation
	• Emulation Type - ATAPI Zip drive, hard disk, legacy diskette, CD-
		ROM drive, and ATAPI LS-120 drive
	•	Multisector Transfers
	•	Translation Mode
	•	Translation Parameters
	•	SATA Default Values
	Storage Options
	•	Removable Media Boot
	•	Legacy Diskette Write
	DPS Self-Test - Allows you to execute self-tests on ATA hard drives.
	Boot Order - Allows you to specify boot order.
	• Shortcut to Temporarily Override Boot Order

Computer Setup Menu (Continued)

Heading	Option / Description
Security	Setup Password - Allows you to set and enable the setup (Administrator)
	password.
	Power-On Password - Allows you to set and enable power-on password.
	Password Options - When any password exists allows you to lock legacy
	resources, enable/disable network server mode, specify password require-
	ment for warm boot, and allows you to enable/disable Setup Browse Mode.
	Smart Cover (some models) - Allows you to lock/unlock cover lock and set
	status of cover removal sensor.
	Device Security (some models) - Enables/disables all I/O ports, audio, net-
	work controllers, SMBus controller, and embedded security devices.
	Network Service Boot - Enables/disables boot from OS on a server.
	System IDs - Allows you to set Asset tag, ownership tag, Chassis serial
	number, UUID, and keyboard locale setting.
	DriveLock Security - Allows you to assign/modify a hard drive password
	for added security.
	System Security (some models) - Allows you to enable/disable:
	•	Data Execution Prevention
	•	Virtualization Technology
	• Virtualization Technology Directed I/O
	•	Trusted Execution Technology
	• Embedded Security Device Support
	• OS management of Embedded Security Device through OS
	•	Virtual Appliance options
	• Smart Card BIOS Password Support
	Setup Security Level - Provides method to allow users limited access to
	change specified setup options without knowing Setup password.
Power	OS Power Management - Allows you to enable/disable Runtime Power
	Management, Idle Power Savings, ACPI S3 Hard Disk Reset, ACPI S3 PS2
	Mouse Wakeup, USB Wake on Device Insertion (some models), Unique
	Sleep State Blink Rates.
	Hardware Power Management - Allows you to enable/disable SATA bus
	power management.
	Thermal - Allows you to control minimum permitted fan idle speed.
Advanced	Power-On Options - Allows you to set:
	• POST mode - QuickBoot, FullBoot, or FullBoot every 1-30 days.
	•	POST messages - Enable/disable
	• MEBx Setup prompt - Enable/disable or hidden/displayed
	•	F9 prompt - Enable/disable
	•	F10 prompt - Enable/disable
	•	F12 prompt - Enable/disable
	• Factory Recovery Boot Support - Enable/disable
	• Option ROM prompt - Enable/disable
	• WOL After Power Loss - Enable/disable
	• Remote wakeup boot source - Remote server/local hard drive
	• After Power Loss - Off/on/previous state
	• POST delay - None, 5, 10, 15, or 20 seconds
	•	Limit CPUID
	Execute Memory Test (some models) -Restarts computer and executes
	POST memory test.
	BIOS Power-On - Allows you to set the computer to turn on at a preset
	time.
	Onboard Devices - Allows you to set resources or disable onboard system
	devices.
	PCI Devices - Lists installed PCI devices with their IRQ settings and
	allows you to reconfigure IRQ or disable devices.
	PCI VGA Configuration - Allows you to specify which VGA controller
	will be used when multiple video adapters are available.
	Bus Options (some models) - Allows you to enable/disable PCI SERR#
	Generation and PCI VGA palette snooping.

Device Options - Allows you to set:

•Printer Mode - Bi-Directional, EPP & ECP, Output Only

•Num Lock state at power-on - off/on

•S5 Wake on LAN - enable/disable

•Processor cache - enable/disable

•Integrated video - enable/disable

•Multi-Processor - enable/disable

•Internal speaker - enable/disable

•Monitor Tracking - enable/disable

•NIC PXE Option ROM Download - enable/disable

System Hardware Interrupts

IRQ	System Function	IRQ	System Function
0	Timer Interrupt	8	Real-Time Clock
1	Keyboard	9	Unused
2	Interrupt Controller Cascade	10	Unused, available for PCI
3	Serial Port (COM B)	11	Unused, available for PCI
4	Serial Port (COM A)	12	Mouse
5	Unused, available for PCI	13	Coprocessor
6	Diskette Drive	14	Primary ATA (IDE) Controller
7	Parallel Port (LPT 1)	15	Secondary ATA (IDE) Controller

dc7800 Illustrated Parts & Service Map, USDT Chassis 459787-001 page 3