compaq evo notebook n1005 series User Manual
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6–14Maintenance and Service Guide Specifications Table 6-13 System Interrupts Hardware IRQ System Function IRQ0 System timer IRQ1 Keyboard controller IRQ2 Cascaded IRQ3 COM2 IRQ4 COM1 IRQ5 Audio (default)* IRQ6 Diskette drive IRQ7 Parallel port IRQ8 Real time clock (RTC) IRQ9 Infrared IRQ10 System use IRQ11 System use IRQ12 Internal point stick or external mouse IRQ13 Coprocessor (not available to any peripheral) IRQ14 IDE interface (hard drive and optical drive) IRQ15 System use ✎PC Cards may assert...
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Specifications Maintenance and Service Guide6–15 Table 6-14 System I/O Addresses I/O Address (hex)System Function (shipping configuration) 000 - 00F DMA controller no. 1 010 - 01F Unused 020 - 021 Interrupt controller no. 1 022 - 024 Opti chipset configuration registers 025 - 03F Unused 02E - 02F 87334 “Super IO” configuration for CPU 040 - 05F Counter/timer registers 044 - 05F Unused 060 Keyboard controller 061 Port B 062 - 063 Unused 064 Keyboard controller 065 - 06F Unused 070 - 071 NMI enable/real...
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6–16Maintenance and Service Guide Specifications I/O Address (hex)System Function (shipping configuration) 0A2 - 0BF Unused 0C0 - 0DF DMA controller no. 2 0E0 - 0EF Unused 0F0 - 0F1 Coprocessor busy clear/reset 0F2 - 0FF Unused 100 - 16F Unused 170 - 177 Secondary fixed disk controller 178 - 1EF Unused 1F0 - 1F7 Primary fixed disk controller 1F8 - 200 Unused 201 Joystick (decoded in ESS1688) 202 - 21F Unused 220 - 22F Entertainment audio 230 - 26D Unused 26E - 26 Unused 278 - 27F Unused 280 - 2AB Unused...
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Specifications Maintenance and Service Guide6–17 I/O Address (hex)System Function (shipping configuration) 2F0 - 2F7 Unused 2F8 - 2FF Infrared port 300 - 31F Unused 320 - 36F Unused 370 - 377 Secondary diskette drive controller 378 - 37F Parallel port (LPT1/default) 380 - 387 Unused 388 - 38B FM synthesizer - OPL3 38C - 3AF Unused 3B0 - 3BB VGA 3BC - 3BF Reserved (parallel port/no EPP support) 3C0 - 3DF VGA 3E0 - 3E1 PC Card controller in CPU 3E2 - 3E3 Unused 3E8 - 3EF Internal modem 3F0 - 3F7 “A”...
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6–18Maintenance and Service Guide Specifications Table 6-15 System Memory Map Size Memory Address System Function 640 KB 00000000 - 0009FFFF Base memory 128 KB 000A0000 - 000BFFFF Video memory 48 KB 000C0000 - 000CBFFF Video BIOS 160 KB 000C8000 - 000E7FFF Unused 64 KB 000E8000 - 000FFFFF System BIOS 15 MB 00100000 - 00FFFFFF Extended memory 58 MB 01000000 - 047FFFFFSuper extended memory 58 MB 04800000 - 07FFFFFF Unused 2 MB 08000000 - 080FFFFF Video memory (direct access) 4 GB 08200000 - FFFEFFFF...
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Maintenance and Service GuideA–1 A Connector Pin Assignments Ta b l e A - 1 RJ-45 Network Interface Pin Signal Pin Signal 1 Transmit + 5 Unused 2 Transmit - 6 Receive - 3 Receive + 7 Unused 4Unused 8Unused 6 5 4 3 2 1 7 8 272638-001.book Page 1 Thursday, July 25, 2002 4:21 PM
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A–2Maintenance and Service Guide Connector Pin Assignments Ta b l e A - 2 RJ-11 Modem Pin Signal Pin Signal 1Unused 4Unused 2 Tip 5 Unused 3Ring 6Unused Ta b l e A - 3 Universal Serial Bus Pin Signal Pin Signal 1 +5 VDC 3 Data + 2 Data - 4 Ground 272638-001.book Page 2 Thursday, July 25, 2002 4:21 PM
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Connector Pin Assignments Maintenance and Service GuideA–3 Ta b l e A - 4 S-Video Pin Signal Pin Signal 1 Ground (Y) 3 Y-Luminance (Intensity) 2 Ground (C) 4 C-Chrominance (Color) Ta b l e A - 5 External Keyboard/Mouse Pin Signal Pin Signal 1 Keyboard/mouse DATA 4 +5 VDC 2 Keyboard/mouse DATA 5 Keyboard/mouse CLK 3 Ground 6 Keyboard/mouse CLK 272638-001.book Page 3 Thursday, July 25, 2002 4:21 PM
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A–4Maintenance and Service Guide Connector Pin Assignments Ta b l e A - 6 Parallel Pin Signal Pin Signal 1 Strobe* 10 Acknowledge* 2 Data bit 0 11 Busy 3 Data bit 1 12 Paper out 4 Data bit 2 13 Select 5 Data bit 3 14 Auto line feed* 6 Data bit 4 15 Error* 7 Data bit 5 16 Initialize printer* 8 Data bit 6 17 Select in* 9 Data bit 7 18-25 Signal ground *Signal is active low. 114 25 13 272638-001.book Page 4 Thursday, July 25, 2002 4:21 PM
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Connector Pin Assignments Maintenance and Service GuideA–5 Ta b l e A - 7 External Monitor Pin Signal Pin Signal 1 Red analog 9 +5 VDC 2 Green analog 10 Ground 3 Blue analog 11 Monitor detect 4 Not connected 12 DDC 2B data 5 Ground 13 Horizontal sync 6 Ground analog 14 Vertical sync 7 Ground analog 15 DDC 2B clock 8 Ground analog 1 6115 1015 272638-001.book Page 5 Thursday, July 25, 2002 4:21 PM