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HP 5/xx Series 4 User Manual

Page 99

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English

87

6 Technical Information

Specifications

Typical Power Consumption/Availability for ISA Accessory Slots

Typical Power Consumption/Availability for PCI Accessory Slots

There is a maximum per-slot limit of 25 W between all supply rails.

IRQs, DMAs, and I/O Addresses Used by Your PC

+5 V

4.5A limit per slot (limited by system board)

+12 V

1.5A limit per slot (limited by system board)

-5 V

0.1A total power limit (limited by power supply)

-12 V

0.3A total power limit (limited by power supply)

+5 V

4.5A maximum per slot

+12 V

0.5A maximum per slot

-12 V

0.1A maximum per slot

IRQs used by PC

The IRQ, DMA, and I/O
address mappings shown
here are for a PC with a
basic configuration. The
resources used by your PC
may vary, depending upon
which accessory boards
are bundled with the PC.
For information on current
use of IRQs, DMAs, and I/O
addresses by your PC, type
MSD at the MS-DOS
prompt, (Windows 3.11) or
use the Device Manager
(Windows 95.)

IRQ0

system timer

IRQ1 keyboard
IRQ2

system cascade

IRQ3

free if not used for serial port

IRQ4

free if not used for serial port

IRQ5

free if not used for parallel port

IRQ6

flexible disk drive controller

IRQ7

free if not used for parallel port

IRQ8

real-time clock

IRQ9

available for PCI devices, if not used by ISA board

IRQ10

available for PCI devices, if not used by ISA board

IRQ11

available for PCI devices, if not used by ISA board

IRQ12 mouse
IRQ13 processor
IRQ14

integrated IDE hard disk drive controller

IRQ15

free if not used by second IDE controller

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