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2.5.3
Interrupt assignments
Standard interrupt assignments
IRQ
Priority
0
1
2
3
11
4
12
5
13
6
14
7
15
8
9
10
11
12
13
14
15
10
* These IRQs are usually available for ISA or PCI devices.
2.5.4
PCI/PCI-X slots
The PCI/PCI-X slots supports cards such as a LAN card, SCSI card, USB
card, and other cards that comply with PCI 2.3 and PCI-X 1.0 specifications.
PCI-X slot
PCI-X slot
(for ZCR)
When you choose to install an ZCR card, install the card on the PCI-X6
slot (for ZCR), which is the green slot on the KFN5-Q/SAS model.
ASUS KFN5-Q Series
Standard Function
1
System Timer
2
Keyboard Controller
–
Programmable interrupt
Communications Port (COM2)
Communications Port (COM1)*
IRQ holder for PCI steering*
Floppy Disk Controller
Printer Port (LPT1)*
3
System CMOS/Real Time Clock
4
IRQ holder for PCI steering*
5
IRQ holder for PCI steering*
6
IRQ holder for PCI steering*
7
PS/2 Compatible Mouse Port*
8
Numeric Data Processor
9
Primary IDE Channel
Secondary IDE Channel
PCI slot
2-19
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