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3 interrupt assignments, 4 pci express x16 slot (x16 link), 5 pci express x8 slot (x8 link) – Asus Z9PR-D12 User Manual

Page 38: Interrupt assignments -18, Pci express x16 slot (x16 link) -18, Pci express x8 slot (x8 link) -18, Standard interrupt assignments

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2-18

Chapter 2: Hardware information

* 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 PCIE2 slot provides one x16 Gen3 link to CPU1 and auto switches to

x8 link if PCIE3 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 1, 3, and 4 slots provide one x8 Gen3 link to CPU1. The

onboard PCIE 5, 6, and 7 slots provide one x8 Gen3 link to CPU2. These slots

support VGA Cards and various server class high performance add-on cards.