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Maintenance and Service Guide Compaq Presario 7300 Series Computers
| Product Description | Troubleshooting | Illustrated Parts Catalog
Home | Removal & Replacement | Jumper & Switch Information | Specifications
Power supply
Diskette drive
Hard drives
System
CD and DVD drive
Mouse
Fax/modem
| SPECIFICATIONS System Specifications General system specifications System interrupts System I/O System memory System DMA
General System Specifications
Dimensions
Height | 24.51 in
Length | 20.13 in
Width | 12.13 in
Weight | lbs.
Input Requirements |
Nominal Line Voltage | Information not Available
Range Line Voltage | Information not Available |
Line Frequency | Information not Available |
Input Current | Information not Available |
Power (watts) | Information not Available |
Steady State | Information not Available |
Environmental Requirements
Temperature |  |
Operating | 50° to 95° F | 10° to 35° C
Shipping | -4° to 140° F | -20° to 60° 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
*This number will increase if more bays/slots are occupied.
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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