3 interrupt assignments, 4 pci express x16 slot (x16 link), 5 pci express x8 slot (x8 link) – Asus P9D-E/4L User Manual
Page 37: 6 pci express x1 slot (x1 link), 7 pci slot, Interrupt assignments -17, Pci express x16 slot (x16 link) -17, Pci express x8 slot (x8 link) -17, Pci express x1 slot (x1 link) -17, Pci slot -17
ASUS P9D-E/4L
2-17
* These IRQs are usually available for ISA or PCI devices.
IRQ
Priority Standard function
0
1
System Timer
1
2
Keyboard Controller
2
-
Programmable Interrupt
3*
11
Communications Port (COM2)
4*
12
Communications Port (COM1)
5*
13
--
6
14
Floppy Disk Controller
7*
15
--
8
3
System CMOS/Real Time Clock
9*
4
ACPI Mode when used
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
Primary IDE Channel
15*
10
Secondary IDE Channel
2.5.3
Interrupt assignments
Standard Interrupt assignments
2.5.4
PCI Express x16 slot (x16 link)
The onboard PCIE6 slot provides one x16 Gen3 link and auto switches to x8 link if PCIE5 is
occupied. This slot supports VGA cards and various server class high performance add-on
cards.
2.5.5
PCI Express x8 slot (x8 link)
The onboard PCIE 4 and PCIE 5 provide one x8 Gen3 link. These slots support VGA cards
and various server class high performance add-on cards.
2.5.6
PCI Express x1 slot (x1 link)
The onboard PCIE 3 and PCIE 7 provide one x1 Gen2 link to the Intel
®
C224 PCH.
2.5.7
PCI slot
The PCI 1 and PCI 2 slots supports cards such as LAN, USB, and other cards that complies
with PCI specifications.