HP D315 manual PROCESSOR/MEMORY Subsystem

Technical Reference Guide

CHAPTER 3 PROCESSOR/MEMORY SUBSYSTEM
3.1		INTRODUCTION	3-1
3.2		ATHLON XP PROCESSOR	3-2
3.2.1		PROCESSOR OVERVIEW	3-2
3.2.2		PROCESSOR UPGRADING	3-4
3.3		MEMORY SUBSYSTEM	3-5
CHAPTER 4 SYSTEM SUPPORT
4.1		INTRODUCTION	4-1
4.2		PCI BUS OVERVIEW	4-2
4.2.1		PCI BUS TRANSACTIONS	4-3
4.2.2 PCI BUS MASTER ARBITRATION			4-6
4.2.3		OPTION ROM MAPPING	4-7
4.2.4		PCI INTERRUPTS	4-7
4.2.5 PCI POWER MANAGEMENT SUPPORT			4-7
4.2.6		PCI SUB-BUSSES	4-7
4.2.7		PCI CONNECTOR	4-8
4.3		AGP BUS OVERVIEW	4-9
4.3.1		BUS TRANSACTIONS	4-9
4.3.2		AGP CONNECTOR	4-13
4.4		SYSTEM RESOURCES	4-14
4.4.1		INTERRUPTS	4-14
4.4.2		DIRECT MEMORY ACCESS	4-18
4.5		SYSTEM CLOCK DISTRIBUTION	4-21
4.6	REAL-TIME CLOCK AND CONFIGURATION MEMORY		4-22
4.6.1		CLEARING CMOS	4-22
4.6.2 CMOS ARCHIVE AND RESTORE			4-23
4.6.3		STANDARD CMOS LOCATIONS	4-23
4.7		SYSTEM MANAGEMENT	4-24
4.7.1		SECURITY FUNCTIONS	4-24
4.7.2		POWER MANAGEMENT	4-26
4.7.3		SYSTEM STATUS	4-26
4.7.4 THERMAL SENSING AND COOLING			4-27
4.8	REGISTER MAP AND MISCELLANEOUS FUNCTIONS		4-30
4.8.1		SYSTEM I/O MAP	4-30
4.8.2 LPC47B367 I/O CONTROLLER FUNCTIONS			4-31

ivCompaq D315 and hp d325 Personal Computers Featuring the AMD Athlon XP Processor

Second Edition –- April 2003