Asus Z11PR-D16 User Manual - Page 31

Interrupt assignments, 2.5.4 PCI Express x16 slot (x16 link)

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2.5.3 Interrupt assignments Standard Interrupt assignments 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 * These IRQs are usually available for ISA or PCI devices. 2.5.4 PCI Express x16 slot (x16 link) The onboard PCIE6 provides one x16 Gen3 link to CPU1, and PCIE1 provides one x16 Gen3 link to CPU2. These slots support various server class high performance add-on cards. 2.5.5 PCI Express x8 slot (x8 link) The onboard PCIE2, PCIE3, PCIE4, and PCIE5 each provides one x8 Gen3 link to CPU2. Z11PR-D16 2-13

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2-13
Z11PR-D16
* 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 provides one x16 Gen3 link to CPU1, and PCIE1 provides one x16 Gen3
link to CPU2. These slots support various server class high performance add-on cards.
2.5.5
PCI Express x8 slot (x8 link)
The onboard PCIE2, PCIE3, PCIE4, and PCIE5 each provides one x8 Gen3 link to CPU2.