Specifications; System Interrupts - Compaq 1255 Maintenance And Service Manual

Compaq.com - Compaq Presario 1200 Series Maintenance and Service Guide - Models: 1255, 1256, 1260, 1262, 1266, 1267, 1272, 1273, 1274, and 1275
COMPAQ
Models: 1255, 1257, 1260, 1262, 1266, 1267, 1272, 1273, 1274, and 1275
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Illustrated Parts Catalog

Specifications

System Interrupts

Hardware IRQ
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Maintenance & Service Guide
Presario 1200 Series
| Notice | Preface
| Removal & Replacement Procedures
Pin Assignments
System Interrupts
IRQ00
IRQ01 Standard 101/102-Key or Microsoft Natural
IRQ02
IRQ03
IRQ04
IRQ05
IRQ06
IRQ07
IRQ08
IRQ09
IRQ10 OPTi 82C861 PCI to USB Open Host Controller
IRQ11
IRQ11
IRQ12
IRQ13
IRQ14
IRQ14 Opti Viper Max Dual PCI IDE Controller
IRQ15
IRQ15 Opti Viper Max Dual PCI IDE Controller
| Product Description
| Battery Pack Operations
System Function
Timer Interrupt
Keyboard
Programmable interrupt controller
Compaq Presario 56K-DF
Communications Port (COM1)
ES1869 Plug and Play AudioDrive
Standard Floppy Disk Controller
Printer Port (LPT1)
System CMOS/real time clock
(free)
IRQ Holder for PCI Steering
NeoMagic MagicGraph 128XD
Synaptics PS/2 TouchPad
Numeric data processor
Primary IDE controller (dual fifo)
Secondary IDE controller (dual fifo)
United States June 28, 2004
| Troubleshooting
| Specifications