Technical Reference Guide
Compaq Deskpro Personal Computers
Third Edition - April 2001
xi
LIST OF TABLES
TABLE 1–1. ACRONYMS AND ABBREVIATIONS............................................................................................1-3
TABLE 2-1. FEATURE DIFFERENCE MATRIX ................................................................................................2-2
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ABLE 2-2. CHIPSET COMPARISON ............................................................................................................2-16
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ABLE 2-3. SUPPORT COMPONENT FUNCTIONS..........................................................................................2-16
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ABLE 2-4. GRAPHICS SUBSYSTEM COMPARISON .....................................................................................2-18
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ABLE 2-5. ENVIRONMENTAL SPECIFICATIONS .........................................................................................2-19
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ABLE 2-6. ELECTRICAL SPECIFICATIONS .................................................................................................2-19
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ABLE 2-7. PHYSICAL SPECIFICATIONS .....................................................................................................2-20
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ABLE 2-8. DISKETTE DRIVE SPECIFICATIONS ..........................................................................................2-20
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ABLE 2-9. 48X CD-ROM DRIVE SPECIFICATIONS...................................................................................2-21
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ABLE 2-10. HARD DRIVE SPECIFICATIONS...............................................................................................2-21
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ABLE 3–1. CELERON PROCESSOR STATISTICAL COMPARISON...................................................................3-2
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ABLE 3–2. PENTIUM III PROCESSOR STATISTICAL COMPARISON ..............................................................3-3
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ABLE 3–3. SPD ADDRESS MAP (SDRAM DIMM)......................................................................................3-6
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ABLE 3–4. HOST/PCI BRIDGE CONFIGURATION REGISTERS (GMCH, FUNCTION 0)..................................3-8
TABLE 4-1. PCI DEVICE CONFIGURATION ACCESS .....................................................................................4-4
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ABLE 4-2. SYSTEM BOARD PCI DEVICE IDENTIFICATION .........................................................................4-5
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ABLE 4-3. PCI BUS MASTERING DEVICES .................................................................................................4-6
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ABLE 4-4. LPC BRIDGE CONFIGURATION REGISTERS (ICH2, FUNCTION 0) ..............................................4-8
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ABLE 4-5. PCI BUS CONNECTOR PINOUT ..................................................................................................4-9
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ABLE 4-6. PCI/AGP BRIDGE CONFIGURATION REGISTERS (MCH, FUNCTION 1)....................................4-13
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ABLE 4-7. AGP BUS CONNECTOR PINOUT................................................................................................4-14
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ABLE 4-8. MASKABLE INTERRUPT PRIORITIES AND ASSIGNMENTS.........................................................4-16
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ABLE 4-9. MASKABLE INTERRUPT CONTROL REGISTERS ........................................................................4-17
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ABLE 4-10. DEFAULT DMA CHANNEL ASSIGNMENTS ............................................................................4-19
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ABLE 4-11. DMA PAGE REGISTER ADDRESSES.......................................................................................4-20
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ABLE 4-12. DMA CONTROLLER REGISTERS............................................................................................4-21
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ABLE 4-13. CLOCK GENERATION AND DISTRIBUTION .............................................................................4-22
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ABLE 4-14. CONFIGURATION MEMORY (CMOS) MAP............................................................................4-24
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ABLE 4-15. SYSTEM BOOT/ROM FLASH STATUS LED INDICATIONS ......................................................4-35
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ABLE 4-16. SYSTEM OPERATIONAL STATUS LED INDICATIONS ..............................................................4-36
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ABLE 4-17. SYSTEM I/O MAP ..................................................................................................................4-38
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ABLE 4-18. 82801 ICH2 GPIO REGISTER UTILIZATION ..........................................................................4-39
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ABLE 4-19 LPC47B357 CONTROL REGISTERS.........................................................................................4-40
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ABLE 4-20. LPC47B357 GPIO REGISTER UTILIZATION ..........................................................................4-41
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ABLE 5–1. IDE PCI CONFIGURATION REGISTERS .....................................................................................5-2
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ABLE 5–2. IDE BUS MASTER CONTROL REGISTERS..................................................................................5-2
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ABLE 5–3. 40-PIN PRIMARY IDE CONNECTOR PINOUT .............................................................................5-3
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ABLE 5–4. DISKETTE DRIVE CONTROLLER CONFIGURATION REGISTERS..................................................5-5
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ABLE 5–5. DISKETTE DRIVE INTERFACE CONTROL REGISTERS.................................................................5-6
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ABLE 5–6. 34-PIN DISKETTE DRIVE CONNECTOR PINOUT.........................................................................5-7
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ABLE 5–7. DB-9 SERIAL CONNECTOR PINOUT ..........................................................................................5-8
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ABLE 5–8. SERIAL INTERFACE CONFIGURATION REGISTERS.....................................................................5-9
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ABLE 5–9. SERIAL INTERFACE CONTROL REGISTERS ..............................................................................5-10
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ABLE 5–10. PARALLEL INTERFACE CONFIGURATION REGISTERS............................................................5-13
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ABLE 5–11. PARALLEL INTERFACE CONTROL REGISTERS .......................................................................5-14
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ABLE 5–12. DB-25 PARALLEL CONNECTOR PINOUT...............................................................................5-15
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ABLE 5–13. 8042-TO-KEYBOARD COMMANDS .......................................................................................5-17