Compaq 850 manual Power Supply and Distribution

		Technical Reference Guide
5.6	KEYBOARD/POINTING DEVICE INTERFACE		5-16
5.6.1		KEYBOARD INTERFACE OPERATION	5-16
5.6.2 POINTING DEVICE INTERFACE OPERATION			5-18
5.6.3		KEYBOARD/POINTING DEVICE INTERFACE PROGRAMMING	5-18
5.6.4 KEYBOARD/POINTING DEVICE INTERFACE CONNECTOR			5-21
5.7	UNIVERSAL SERIAL BUS INTERFACE		5-22
5.7.1		USB DATA FORMATS	5-22
5.7.2		USB PROGRAMMING	5-24
5.7.3		USB CONNECTOR	5-25
5.7.4		USB CABLE DATA	5-25
5.8	AUDIO SUBSYSTEM		5-26
5.8.1		FUNCTIONAL ANALYSIS	5-26
5.8.2		AUDIO CONTROLLER	5-28
5.8.3		AC97 LINK BUS	5-29
5.8.4		AUDIO CODEC	5-30
5.8.5		AUDIO PROGRAMMING	5-31
5.8.6		AUDIO SPECIFICATIONS	5-32
5.9	NETWORK SUPPORT		5-33
5.9.1 PCI VER. 2.2 SUPPORT			5-33
5.9.2		ALERT-ON-LAN SUPPORT	5-33
5.9.3 REMOTE SYSTEM ALERT SUPPORT			5-35
CHAPTER 6 POWER SUPPLY AND DISTRIBUTION
6.1	INTRODUCTION		6-1
6.2	POWER SUPPLY ASSEMBLY/CONTROL		6-1
6.2.1		POWER SUPPLY ASSEMBLY	6-2
6.2.2		POWER CONTROL	6-3
6.3	POWER DISTRIBUTION		6-5
6.3.1		3.3/5/12 VDC DISTRIBUTION	6-5
6.3.2		LOW VOLTAGE PRODUCTION/DISTRIBUTION	6-6
6.4	SIGNAL DISTRIBUTION		6-7
CHAPTER 7 BIOS ROM
7.1	INTRODUCTION		7-1
7.2	ROM FLASHING		7-2
7.2.1		UPGRADING	7-2
7.2.2		CHANGEABLE SPLASH SCREEN	7-3
7.3	BOOT FUNCTIONS		7-4
7.3.1		BOOT DEVICE ORDER	7-4
7.3.2 NETWORK BOOT (F12) SUPPORT			7-4
7.3.3 MEMORY DETECTION AND CONFIGURATION			7-5
7.3.4		BOOT ERROR CODES	7-5
7.4	SETUP UTILITY		7-6
7.5	CLIENT MANAGEMENT FUNCTIONS		7-12
7.5.1 SYSTEM ID AND ROM TYPE			7-14
7.5.2		EDID RETRIEVE	7-14
7.5.3		TEMPERATURE STATUS	7-14
7.5.4		DRIVE FAULT PREDICTION	7-15
7.6	PNP SUPPORT		7-15
7.6.1		SMBIOS	7-16
		Compaq Deskpro EXS and Workstation 300 Personal Computers	v
		Featuring the Intel Pentium 4 Processor

First Edition - December 2000