Technical Reference Guide

Compaq iPAQ Family of Internet Devices

First Edition - March 2000

viii

LIST OF FIGURES

FIGURE 21. COMPAQ IPAQ INTERNET DEVICE WITH MONITOR.............................................................2-1

FIGURE 22. COMPAQ IPAQ INTERNET DEVICE, FRONT VIEW................................................................2-4

FIGURE 23. COMPAQ IPAQ INTERNET DEVICE, REAR VIEWS................................................................2-5

FIGURE 24. COMPAQ IPAQ INTERNET DEVICE CHASSIS LAYOUT, RIDE SIDE VIEW................................2-6

FIGURE 25. COMPAQ IPAQ SYSTEM BOARD LAYOUTS......................................................................... 2-7

FIGURE 26. COMPAQ IPAQ ARCHITECTURE, BLOCK DIAGRAM.............................................................. 2-9

FIGURE 27. PROCESSOR ASSEMBLY AND MOUNTING.......................................................................... 2-11

FIGURE 31. PROCESSOR/MEMORY SUBSYSTEM ARCHITECTURE............................................................ 3-1

FIGURE 32. CELERON PROCESSOR INTERNAL ARCHITECTURE...............................................................3-2

FIGURE 33. PENTIUM III PROCESSOR INTERNAL ARCHITECTURE...........................................................3-3

FIGURE 34. SYSTEM MEMORY MAP.....................................................................................................3-7

FIGURE 4-1. PCI BUS DEVICES AND FUNCTIONS..................................................................................... 4-2

FIGURE 4-2. TYPE 0 CONFIGURATION CYCLE.........................................................................................4-4

FIGURE 4-3. PCI CONFIGURATION SPACE MAP...................................................................................... 4-5

FIGURE 4-4. AGP 1X DATA TRANSFER (PEAK TRANSFER RATE: 266 MB/S)...........................................4-9

FIGURE 4-5. AGP 2X DATA TRANSFER (PEAK TRANSFER RATE: 532 MB/S).........................................4-10

FIGURE 4-6. MASKABLE INTERRUPT PROCESSING, BLOCK DIAGRAM.....................................................4-12

FIGURE 4-7. CONFIGURATION MEMORY MAP.......................................................................................4-17

FIGURE 5-1. 40-PIN PRIMARY IDE CONNECTOR (ON SYSTEM BOARD)......................................................5-3

FIGURE 5-2. 50-PIN SECONDARY IDE CONNECTOR (ON SYSTEM AND DAUGHTER BOARDS)....................... 5-4

FIGURE 5-3. SERIAL INTERFACE CONNECTOR (MALE DB-9 AS VIEWED FROM REAR OF CHASSI S) ............... 5-5

FIGURE 5-4. SERIAL INTERFACE HEADER (ON LEGACY-FREE SYSTEM BOARD)........................................... 5-6

FIGURE 5-5. PARALLEL INTERFACE CONNECTOR (FEMALE DB-25 AS VIEWED FROM R EAR OF CHASSIS).... 5-14

FIGURE 5-6. 8042-TO-KEYBOARD TRANSMISSION OF CODE EDH, TIMING DIAGRAM............................. 5-15

FIGURE 5-7. KEYBOARD OR POINTING DEVICE INTERFACE CONNECTOR................................................ 5-21

FIGURE 5-8. USB I/F, BLOCK DIAGRAM............................................................................................... 5-22

FIGURE 5-9. USB PACKET FORMATS.................................................................................................... 5-23

FIGURE 5-10. UNIVERSAL SERIAL BUS CONNECTOR.............................................................................. 5-25

FIGURE 5-11. AUDIO SUBSYSTEM FUNCTIONAL BLOCK DIAGRAM......................................................... 5-27

FIGURE 5-12. AC97 LINK BUS PROTOCOL.......................................................................................... 5-28

FIGURE 5-13. AD1881 AUDIO CODEC FUNCTIONAL BLOCK DIAGRAM...................................................5-29

FIGURE 5-14. 10/100 TX NETWORK INTERFACE CONTROLLER BLOCK DIAGRAM...................................5-32

FIGURE 5-15. ETHERNET TPE CONNECTOR (RJ-45, VIEWED FROM CARD EDGE)..................................... 5-36

FIGURE 6-1. GRAPHICS SUBSYSTEM BLOCK DIAGRAM............................................................................ 6-2

FIGURE 6-2. 82810E/DC-100 INTEGRATED GRAPHICS CONTROLLER....................................................... 6-3

FIGURE 71. POWER DISTRIBUTION AND CONTROL, BLOCK DIAGRAM.....................................................7-1

FIGURE 72. POWER CABLE DIAGRAM.................................................................................................. 7-4

FIGURE 73. SIGNAL DISTRIBUTION DIAGRAM.......................................................................................7-5

FIGURE 74. HEADER PINOUTS............................................................................................................. 7-6

FIGURE B1. ASCII CHARACTER SET................................................................................................... B-1