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112 Maintaining and Troubleshooting the Gateway ALR 7300 Server
IRQ usage
The following table lists the Interrupt Request Lines (IRQs) that the system
typically uses and which ones are available for use by add-on devices.
IRQ Resource
NMI
0 System timer
1 Keyboard
2 Cascade
3 Serial port 2 (COM2)
4 Serial port 1 (COM1)
5 Secondary parallel port (LPT2)
6 Diskette controller
7 Primary parallel port (LPT1)
8 Real time clock (RTC)
9 Cascade redirect
10 Available
11 Available
12 PS/2 mouse port
13 Math coprocessor
14 Primary hard disk
15 Secondary hard disk
4075.book Page 112 Friday, April 2, 1999 9:26 AM