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Maintenance & Service Guide
Presario 3500 Series Personal Computers

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Specifications

Compaq Presario 3500 Series Personal Computer specifications are listed in the following tables. Select the specification you are interested in from the alphabetical list.

CD-RW Drive Mouse System Interrupts
Diskette Drive Power Supply System Memory
IDE Hard Drives Speakers System Specifications
Fax/Modem System DMA
Monitor System I/O

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System Specifications

Dimensions
Height 30 cm
Depth 32 cm
Width 8.6 cm
BTUs
Weight 6 kg
Shipping Weight
Gross 11 kg
Net 7.4 kg
Input Requirements
Nominal Line Voltage 100~120 VAC / 220~240 VAC
Range Line Voltage 90 to 264 VAC
Line Frequency 47 to 63 Hz
Input Current 2.8A at 115VAC /
1.4A at 230VAC
Power (watts)
Steady State 85
Environmental Requirements
Temperature
Operating 10¢X C to 35¢X C
Shipping -20¢X C to 60¢X C
Humidity (noncondensing)
Operating 8% to 90%
Non-operating 5% to 95%
Maximum Altitude (unpressurized)
Operating 3048 m
Nonoperating 9144 m
Expansion Slots 3 PCI

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System Interrupts

Hardware IRQ System Function
IRQ 0 Refresh Timer
IRQ 1 Keyboard
IRQ 2 Internal 8259 Cascade
IRQ 3 Modem (COM 2) shared with modem audio*
IRQ 4 Serial Port (COM 1) shared with Serial Port 2 (COM 3)
IRQ 5 PCI Reserve
IRQ 6 Diskette Drive
IRQ 7 Parallel Port (LPT 1)*
IRQ 8 Real-Time Clock (Not on ISA Bus)
IRQ 9 ISA Expansion
IRQ 10 USB Host Controller, PCI Audio Drive
IRQ 11 810 Chipset Graphics Driver
IRQ 12 PS/2 Mouse
IRQ 13 Numeric Coprocessor
IRQ 14 Primary IDE
IRQ 15 Secondary IDE
*Default Configuration; Other Configurations are the following:
Modem
¡XIRQ 3, 4, 5, 7, 10, 11, 12, 14, 15, none
Parallel Port
¡XIRQ 1, 3-12, 14, 15 none
System Audio
¡XIRQ 5, 7, 9, 10, none
Serial Port
¡XIRQ 1, 3-12, none
Modem Audio
¡XIRQ 4, 10, 11, none

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Revised: 19 Nov. 1999