Interrupt Assignments; Pci Slot - Asus P7P55 WS SUPERCOMPUTER User Manual

2.5.3

Interrupt assignments

Standard interrupt assignments
IRQ Priority
0 1
1 2
2 –
4 12
5 13
6 14
7 15
8 3
9 4
10 5
11 6
12 7
13 8
14 9
* These IRQs are usually available for PCI devices.
IRQ assignments for this motherboard
PCIEX16_1
PCIEX16_2
PCIEX16_3
PCIEX16_4
PCIEX16_5
PCIEX1_1
LAN1 (8112L)
LAN2 (8112L)
SATA controller 1
SATA controller 2
USB 2.0 controller 1
USB 2.0 controller 2
1394 controller
HD Audio
PCI_1
2.5.4

PCI slot

The PCI slot supports cards such as a LAN card, SCSI card, USB card, and other
cards that comply with PCI specifications. Refer to the figure below for the location
of the slot.
ASUS P7P55 WS Supercomputer
Standard function
System Timer
Keyboard Controller
Redirect to IRQ#9
Communications Port (COM1)*
IRQ Holder for PCI Steering*
Reserved
Reserved
System CMOS/Real Time Clock
IRQ Holder for PCI Steering*
IRQ Holder for PCI Steering*
IRQ Holder for PCI Steering*
Reserved
Numeric Data Processor
Primary IDE Channel
A B C
shared – –
shared – –
shared – –
shared – –
shared – –
shared – –
– – –
– – shared
– – shared
– – shared
– – –
shared – –
– – shared
– – –
shared – –
D E F
– – –
– – –
– – –
– – –
– – –
– – –
shared – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
G H
– –
– –
– –
– –
– –
– –
– –
– –
– –
– –
– shared
– –
– –
shared –
– –
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