Intel Desktop Board D865GVHZ Product Guide
80
Interrupts
Table 36. Interrupts
IRQ System Resource
NMI I/O channel check
0 Reserved, interval timer
1 Reserved, keyboard buffer full
2 Reserved, cascade interrupt from slave PIC
3 COM2*
4 COM1*
5 LPT2 (Plug and Play option) **
6 Floppy drive controller
7 LPT1*
8 Real time clock
9 **
10 **
11 **
12 Onboard mouse port (if present, else user available)
13 Reserved, math coprocessor
14 Primary IDE/Serial ATA (if present, else user available)
15 Secondary IDE/Serial ATA (if present, else user available)
* Default, but can be changed to another IRQ.
** Dynamically allocated for all PCI/AGP devices and slots.
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