![Asus P5LD2-X GBL User Manual Download Page 41](http://html.mh-extra.com/html/asus/p5ld2-x-gbl/p5ld2-x-gbl_user-manual_2992556041.webp)
ASUS P5LD2-X/GBL
2-19
2.5.3
Interrupt assignments
* These IRQs are usually available for ISA or PCI devices.
IRQ
Standard Function
0 System Timer
1 Keyboard Controller
2 Re-direct to IRQ#9
3 -
4 Communications Port (COM1)*
5 IRQ holder for PCI steering*
6 Floppy Disk Controller
7 Printer Port (LPT1)*
8 System CMOS/Real Time Clock
9 IRQ holder for PCI steering*
10 IRQ holder for PCI steering*
11 IRQ holder for PCI steering*
12 PS/2 Compatible Mouse Port*
13 Numeric Data Processor
14 Primary IDE Channel
Standard interrupt assignments
IRQ assignments for this motherboard
A
B
C
D
E
F
G
H
PCI slot 1
-
shared
-
-
-
-
-
-
PCI slot 2
-
-
-
-
-
shared
-
-
PCI slot 3
-
-
-
-
-
-
shared -
PCIe x 16 slot
shared
-
-
-
-
-
-
-
PCIe x 1 slot 1
shared
-
-
-
-
-
-
-
PCIe x 1 slot 2
-
-
shared
-
-
-
-
-
Onboard USB controller 1
shared
-
-
-
-
-
-
-
Onboard USB controller 2
-
shared
-
-
-
-
-
-
Onboard USB controller 3
-
-
shared
-
-
-
-
-
Onboard USB controller 4
-
-
-
shared
-
-
-
-
Onboard USB 2.0 controller
-
-
-
-
shared
-
-
-
Onboard IDE port
-
-
-
-
-
-
shared -
Onboard HD Audio controller
-
-
-
shared
-
-
-
-
Onboard LAN controller
-
shared
-
-
-
-
-
-