VT8371 System Board 60
4-4
Interrupt Map
A. NMI:
non-maskable interrupt
B. IRQ(H/W):
0 system timer interrupt from timer 0
1.
1 keyboard output buffer full
2.
cascade for IRQ 8-15
3.
serial port2
4.
serial port1
5.
parallel port 2
6.
floppy disk (ITE chip)
7.
parallel port 1
8.
RTC clock
9.
available
10.
available
11.
available
12.
PS/2 mouse
13.
math coprocessor
14.
onboard hard disk (IDE1) channel
15.
onboard hard disk (IDE2) channel