Intel D845EPI Product Guide

Intel Desktop Board D845EPI Product Guide
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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 & Play option) / **
6 Diskette drive
7 LPT1*
8 Real-time clock
9 Reserved for ICH4 system management bus
10 User available
11 User available
12 Onboard mouse port (if present, else user available)
13 Reserved, math coprocessor
14 Primary IDE (if present, else user available)
15 Secondary IDE (if present, else user available)
* Default, but can be changed to another IRQ.
** Dynamically allocated for all PCI/AGP devices and slots.

Intel D845EPI Specifications

General

Brand	Intel
Model	D845EPI
Category	Motherboard
Language	English