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Maintenance and Service Guide
Compaq Presario 7500 Series Computers

MSG index Product Description Troubleshooting Illustrated Parts Catalog
Home Removal & Replacement Jumper & Switch Information Specifications

System
Power supply
Diskette drive
Hard drives
DVD drive
CD drives
Mouse
Fax/modem
Zip drive
SPECIFICATIONS

System Specifications

General system specifications

Video memory

System interrupts

System I/O (system function - shipping configuration)

System memory

System DMA

 

General System Specifications

U. S. Outside U. S.
Dimensions
Height 16.55 in 420.37 mm
Depth 17.30 in 439.32 mm
Width 8.76 in 222.50 mm
Weight 25.3 lbs. 11.5 kg
Shipping Weight 36.6 lbs 16.4 kg
Input Requirements
Voltage Range 100 to 120 210 to 240
AC Frequency 50 or 60 Hz 50 or 60 Hz
Fluctuations 5v +/-5% 3.3v +/-3%
Power (watts)

Steady State

145 145

Sleep Mode

< 30 < 30

Environmental Requirements

Temperature
Operating 50° to 95° F 10° to 35° C
Shipping -22° to 140° F -30° to 60° C
Humidity (noncondensing)
Operating 10% to 90% 10% to 90%
Nonoperating 5% to 95% 5% to 95%
Maximum Altitude (unpressurized)
Operating 10,000 ft 3048 m
Nonoperating 30,000 ft 9144 m
*This number will increase if more bays/slots are occupied.

 

ATI 3-D RagePro Video Memory

Resolution Colors Vertical Refresh (Hz)
640 × 480 256 60 and 75
640 × 480 65K (high color) 60 and 75
640 × 480 16M (true color) 60
800 × 600 256 60 and 75
800 × 600 65K (high color, default) 60 and 75
800 × 600 16M (true color) 60 and 75
1024 × 768 256 60 and 75
1024 × 768 65K (high color) 60 and 75
1024 × 768 16M (true color)* 60 and 75
1280 × 1024 256 60
1280 × 1024 65K (high color)* 60
1280 × 1024 16M (true color)* 60
*With 4-MB video memory only

 

 

System Interrupts

Hardware IRQ System Function
IRQ 0 Refresh Timer
IRQ 1 Keyboard
IRQ 2 Interrupt Controller Cascade
IRQ 3 Controllerless modem (COM 2) shared data/fax
IRQ 4 Serial Port A (COM 1)
IRQ 5 Entertainment Audio*^
IRQ 6 Diskette Drive
IRQ 7 Parallel Port (LPT 1)*
IRQ 8 Real-Time Clock
IRQ 9 Available
IRQ 10 ISDN Modem if present*
IRQ 11 PCI Bus shared with Video, USB, DVD
IRQ 12 Mouse
IRQ 13 Numeric Coprocessor
IRQ 14 Disk Drive (Primary IDE)
IRQ 15 Disk Drive (Secondary IDE)

^Audio must use this setting for game compatibility. Used for audio, MPU-401, and volume control.
*Default configuration; other configurations are as follows:
Modem - IRQ 4, 10, 11, none
Parallel Port - IRQ 3, 4, 5, 9, 10, none
System Audio - IRQ 7, 9, 10, none
Serial Port - IRQ 3, 5, 7, 9, 10, 12, none

 

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