User`s guide

System Interrupts
IRQ
Device
NMI Parity error
0 Reserved, interval timer
1 Reserved, keyboard buffer full
2 Reserved, cascade interrupt from slave PIC
3 Onboard serial port 2 (COM2), if enabled
4 Onboard serial port 1 (COM1), if enabled
5 LPT2, if enabled
6 Onboard diskette drive controller, if enabled
7 LPT1, if enabled
8 Real-time clock (RTC)
9 User definable; can be set for EISA option cards using the ElSA
Configuration utility (ECU)
10 COM3, if enabled; can be set for EISA option cards using the ECU
11 COM4, ifenabled; can be set for EISA option cards using the ECU
SCSI controller, if enabled; can be set for EISA option cards using
the ECU
12 Onboard PS/2 mouse port, ifenabled
13 Reserved, math coprocessor
14 IDE hard drive controller, ifenabled
15 Userdefinable; can be set for the following (up to three choices)
using the ECU:
ElSA option cards
IDE hard disk drive controller
Built-in video controller, programmable to 9, 10, 11, or 15
Built-in SCSI controller, programmable to 9, 10, 11, or 15
B-10 Specifications