2.5.3
Interrupt assignments
* These IRQs are usually available for PCI devices.
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*
5
13
IRQ holder for PCI steering*
7
15
IRQ holder for PCI steering*
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
IRQ holder for PCI steering*
15
10
IRQ holder for PCI steering*
IRQ assignments for this motherboard
LNKC
LN0A
LN3A
LN4A
LN5A
LN6A
SGRU
LUB0
LUB2
UB11
UB12
LSA0
LAZA
PCI slot
Shared
—
—
—
—
—
—
—
—
—
—
—
—
PCIe x16
slot
—
Shared
—
—
—
—
—
—
—
—
—
—
—
RTL
8111C_1
—
—
Shared
—
—
—
—
—
—
—
—
—
—
RTL
8111C_2
—
—
—
Shared
—
—
—
—
—
—
—
—
—
PCIe x4 slot
—
—
—
—
Shared
—
—
—
—
—
—
—
—
PCIe x1 slot
—
—
—
—
—
Shared
—
—
—
—
—
—
—
USB 1.1
(OHCI)
—
—
—
—
—
—
—
Shared
—
—
—
—
—
USB 2.0
(EHCI)
—
—
—
—
—
—
—
—
Shared
—
—
—
—
USB1 1.1
(OHCI)
—
—
—
—
—
—
—
—
—
Shared
—
—
—
USB1 2.0
(EHCI)
—
—
—
—
—
—
—
—
—
—
Shared
—
—
HDA
(Azalia)
—
—
—
—
—
—
—
—
—
—
—
—
Shared
SB Internal
GPU
—
—
—
—
—
—
Shared
—
—
—
—
—
—
SATA
Controller
—
—
—
—
—
—
—
—
—
—
—
Shared
—
2-18
Chapter 2: Hardware information
Summary of Contents for P5N-VM WS - Motherboard - Micro ATX
Page 1: ...Motherboard P5N VM WS ...
Page 52: ...2 32 Chapter 2 Hardware information ...
Page 122: ...4 34 Chapter 4 Software support ...