2-22
Chapter 2: Hardware information
2.5.3
Interrupt assignments
IRQ assignments for this motherboard
A
B
C
D
E
F
G
H
PCI slot 1
shared
–
–
–
–
–
–
–
PCI slot 2
–
shared
–
–
–
–
–
–
LAN (8056)
shared
–
–
–
–
–
–
–
SATA (368)
shared
–
–
–
–
–
–
–
LAN (8056)
–
shared
–
–
–
–
–
–
PCIe x16_1
shared
–
–
–
–
–
–
–
PCIe x16_2
shared
–
–
–
–
–
–
–
PCIe x1_1
–
shared
–
–
–
–
–
–
PCIe x1_2
shared
–
–
–
–
–
–
–
PCIe x1_3
–
–
shared
–
–
–
–
–
USB controller 1
–
–
–
–
–
–
shared
USB controller 2
–
–
–
shared
–
–
–
–
USB controller 3
–
–
shared
–
–
–
–
–
USB controller 4
shared
–
–
–
–
–
–
–
USB controller 5
–
–
–
–
–
shared
–
–
USB controller 6
–
–
shared
–
–
–
–
–
USB 2.0 controller 1
–
–
–
–
–
–
–
shared
USB 2.0 controller 2
–
–
shared
–
–
–
–
–
SATA controller 1
–
–
–
–
–
–
shared
–
SATA controller 2
–
–
–
–
–
–
shared
–
IRQ
Priority Standard function
0
1
System timer
1
2
Keyboard controller
2
–
Re-direct to IRQ#9
3
11
IRQ holder for PCI steering*
4
12
Communications port (COM1)*
5
13
IRQ holder for PCI steering*
6
14
Floppy disk controller
7
15
Printer port (LPT1)*
8
3
System CMOS/Real Time Clock
9
4
IRQ holder for PCI steering*
10
5
IRQ holder for PCI steering*
11
6
IRQ holder for PCI steering*
12
7
PS/2 compatible mouse port*
13
8
Numeric data processor
14
9
SATA Primary IDE (legacy mode)
15
10
SATA Secondary IDE (legacy mode)
* These IRQs are usually available for PCI devices.
Summary of Contents for PCI/E-P54NP4
Page 1: ...Motherboard Rampage Formula ...
Page 14: ...xiv ...
Page 114: ...4 44 Chapter 4 BIOS setup ...
