HP Compaq d330 DT - Page 8

Technical Reference Guide
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 ......................................................................... 4-28
4.8 REGISTER MAP AND MISCELLANEOUS FUNCTIONS .................................................... 4-29
4.8.1 SYSTEM I/O MAP ........................................................................................................... 4-29
4.8.2 LPC47B387 I/O CONTROLLER FUNCTIONS .............................................................. 4-30
CHAPTER 5 INPUT/OUTPUT INTERFACES..........................................................................................
5.1 INTRODUCTION....................................................................................................................... 5-1
5.2 ENHANCED IDE / SATA INTERFACES.................................................................................. 5-1
5.2.1 EIDE INTERFACES............................................................................................................ 5-1
5.2.2 SATA INTERFACES............................................................................................................ 5-4
5.3 DISKETTE DRIVE INTERFACE .............................................................................................. 5-6
5.3.1 DISKETTE DRIVE PROGRAMMING.............................................................................. 5-7
5.3.2 DISKETTE DRIVE CONNECTOR ................................................................................... 5-9
5.4 SERIAL INTERFACE .............................................................................................................. 5-10
5.4.1 SERIAL CONNECTOR.................................................................................................... 5-10
5.4.2 SERIAL INTERFACE PROGRAMMING....................................................................... 5-11
5.5 PARALLEL INTERFACE........................................................................................................ 5-13
5.5.1 STANDARD PARALLEL PORT MODE ........................................................................ 5-13
5.5.2 ENHANCED PARALLEL PORT MODE........................................................................ 5-14
5.5.3 EXTENDED CAPABILITIES PORT MODE .................................................................. 5-14
5.5.4 PARALLEL INTERFACE PROGRAMMING ................................................................ 5-15
5.5.5 PARALLEL INTERFACE CONNECTOR ...................................................................... 5-17
5.6 KEYBOARD/POINTING DEVICE INTERFACE................................................................... 5-18
5.6.1 KEYBOARD INTERFACE OPERATION ...................................................................... 5-18
5.6.2 POINTING DEVICE INTERFACE OPERATION .......................................................... 5-20
5.6.3 KEYBOARD/POINTING DEVICE INTERFACE PROGRAMMING .......................... 5-20
hp compaq d330 and d530 Series Personal Computers
Featuring the Intel Pentium 4 Processor
First Edition –- June 2003
iv