Intel D845EPI Intel Desktop Board D845EPI Product Guide English - Page 78

Interrupts, Table 36.

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Intel Desktop Board D845EPI Product Guide 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. 78

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Intel Desktop Board D845EPI Product Guide
78
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.