United States

Compaq Presario Internet PC 7000 Series Computers | SPECIFICATIONS

PRODUCT DESCRIPTION | TROUBLESHOOTING | ILLUSTRATED PARTS CATALOG
REMOVAL AND REPLACEMENT PROCEDURES | JUMPER AND SWITCH INFORMATION | SPECIFICATIONS

CD OR DVD DRIVE/ CD-RW DRIVE DISK DRIVE FAX/ MODEM POWER SUPPLY ASSEMBLY SYSTEM BOARD | System Board General System Specifications Environmental Requirements System Interrupts System I/O System Memory System DMA
General System Specifications
Dimensions | U.S. | Metric/ International
Height | 16.55 in | 42.037 cm
Width | 8.76 in | 22.25 cm
Length | 17.30 in | 22.25 cm
Weight | 25.3 lbs | 11.5 kg
Shipping Weight | 36.6 lbs | 11.5 kg
Input Requirements |  |
Nominal Line Voltage | 115 VAC | 230 VAC
Range Line Voltage | 90-132 VAC | 180-264 VAC
AC Frequency | 50 or 60 Hz | 50 or 60 Hz
Input Current | 4.5 RMS at Max Load | 4.5 RMS @ Max Load
Fluctuations | 5v +/-5% | 3.3v +/-3%
Power (watts) |  |
Steady State | 145 | 145
Sleep Mode | < 30 | < 30
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Environmental Requirements
Temperature |  |
Operating | 50º to 95º F | 10º to 35º C
Shipping | -4º to 140º F | -20º to 60º C
Humidity (noncondensing) |  |
Operating | 8% to 90% | 8% to 90%
Nonoperating | 5% to 95% | 5% to 95%
Maximum Altitude (unpressurized) |  |
Operating | 10,000 ft | 3048 m
Nonoperating | 30,000 ft | 9144 m
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System Interrupts
Hardware IRQ | System Resource |
NMI | I/O channel check |
IRQ 0 | Reserved, interval timer |
IRQ 1 | Reserved, keyboard buffer full |
IRQ 2 | Reserved, cascade interrupt from slave PIC |
IRQ 3 | COM2 | * Reserved, but can be changed to another IRQ
IRQ 4 | COM1 | * Reserved, but can be changed to another IRQ
IRQ 5 | LPT2 (Plug and Play option)/ Audio/ User available |
IRQ 6 | disk Drive |
IRQ 7 | LPT1 | * Reserved, but can be changed to another IRQ
IRQ 8 | Real-time clock |
IRQ 9 | Reserved for ICH2 system management bus |
IRQ 10 | User available |
IRQ 11 | User available |
IRQ 12 | Onboard mouse port (if present; otherwise user available) |
IRQ 13 | Reserved, match coprocessor |
IRQ 14 | Primary IDE (if present; otherwise user available) |
IRQ 15 | Secondary IDE (if present; otherwise user available) |
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System I/O Map
I/O Address (Hex) | Size | Description
0000-000F | 16 bytes | DMA controller
0020-0021 | 2 bytes | Programmable Interrupt Control (PIC)
0040-0043 | 4 bytes | System timer
0060 | 1 byte | Keyboard controller byte - Rest IRQ
0061 | 1 byte | System speaker
0064 | 1 byte | Keyboard controller, CMD / STAT byte
0070-0071 | 2 bytes | System CMOS / Real Time Clock
0072-0073 | 2 bytes | System CMOS
0080-008F | 16 bytes | DMA controller
0092 | 1 byte | Fast A20 and PIC
00A0-00A1 | 2 bytes | PIC
00B2-00B3 | 2 bytes | APM control
00C0-00DF | 32 bytes | DMA
00F0 | 1 byte | Numeric data processor
0170-0177 | 8 bytes | Secondary IDE channel
01F0-01F7 | 8 bytes | Primary IDE channel
0220-022F | 16 bytes | Audio (Sound Blaster Pro-compatible
0240-024F
0228-022F | 8 bytes | LPT3 | * Default, but can be changed to another address range
0278-027F | 8 bytes | LPT2
02E8-02EF | 8 bytes | COM4/ video (81514A)
02F8-02FF | 8 bytes | COM2
0376 | 1 byte | Secondary IDE channel command port
0377, bits 6:0 | 7 bits | Secondary IDE channel status port
0378-037F | 8 bytes | LPT1
03B0-03BB | 12 bytes | Intel 82850 MCH
03C0-0CDF | 32 bytes | Intel 82850 MCH
03E8-03EF | 8 bytes | COM3
03F0-03F5 | 6 bytes | disk channel 1
03F6 | 1 byte | Primary IDE channel command port
03F8-03FF | 6 bytes | COM1
04D0-04D1 | 2 bytes | Edge/ level triggered PIC
LPTn + 400 | 8 bytes | ECP port, LPTn base address + 400h
0CF8-0CFB | 4 bytes | PCI configuration address resgister | * Dword access only
0CF9 | 1 byte | Turbo and reset control register | * Byte access only
0CFC-0CFF | 4 bytes | PCI configuration address register
FFA0-FFA7 | 8 bytes | Primary bus master IDE registers
FFA8-FFAF | 8 bytes | Secondary bus master IDE registers
96 contiguous bytes starting on a 128-byte divisible boundary | ICH2 (ACPI + TCO)
64 contiguous bytes starting on a 64-byte divisible boundary | D850GB board resource
64 contiguous bytes starting on a 64-byte divisible boundary | Onboard audio controller
32 contiguous bytes starting on a 32-byte divisible boundary | ICH2 (USB controller #1)
16 contiguous bytes starting on a 16-byte divisible boundary | ICH2 (SMBus)
4096 contiguous bytes starting on a 4096-byte divisible boundary | Intel 82801BA PCI bridge
256 contiguous bytes starting on a 256-byte divisible boundary | ICH2 audio mixer
64 contiguous bytes starting on a 64-byte divisible boundary | ICH2 audio bus mixer
256 contiguous bytes starting on a 256-byte divisible boundary | ICH2 modem mixer
32 contiguous bytes starting on a 32-byte divisible boundary | ICH2 (USB controller #2)
96 contiguous bytes starting on a 128-byte divisible boundary | LPC47M102
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System Memory
Address Range (decimal) | Address Range (hex) | Size | Description
1024K - 2097152 K | 100000 - 7FFFFFFF | 2047 MB | Extended memory
960 K - 1024 K | F0000 - FFFFF | 64 KB | Runtime BIOS
896 K - 960 K | E0000 - EFFFF | 64 KB | Reserved
800 K - 896 K | C8000 - DFFFF | 96 KB | Available high DOS memory (open to the PCI bus)
640 K - 800 K | A0000 - C7FFF | 160 KB | Video memory and BIOS
639 K - 640 K | 9FC00 - 9FFFF | 1 KB | Extended BIOS data (movable by memory manager software)
512 K - 639 K | 80000 - 9FBFF | 127 KB | Extended conventional memory
0 K - 512 K | 00000 - 7FFFF | 512 KB | Conventional memory
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System DMA
DMA Channel Number | Data Width | System Resource
0 | 8- or 16- bits | Audio
1 | 8- or 16- bits | Audio/ parallel port
2 | 8- or 16- bits | Disk Drive
3 | 8- or 16- bits | Parallel Port (for ECP or EPP)/ audio
4 | 8- or 16- bits | DMA controller
5 | 16-bits | open
6 | 16-bits | open
7 | 16-bits | open
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