3 interrupt assignments, 4 pci express x16 slot (x16 link), 5 pci express x16 slot (x8 link) – Asus Z9PE-D16 User Manual
Page 35: 6 pike slots, Interrupt assignments -17, Pci express x16 slot (x16 link) -17, Pci express x16 slot (x8 link) -17, Pike slots -17
ASUS Z9PE-D16 Series
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 PCIE 3 and 5 provide one x16 Gen3 link to CPU2; The onboard PCIE
4 provide one x16 Gen3 link to CPU1; The onboard PCIE 2 provide one x16 Gen3
link to CPU1 (Auto switch to x8 link if PCIE 1 is occupied). These slots support
VGA cards and various server class high performance add-on cards.
2.5.5
PCI Express x16 slot (x8 link)
The onboard PCIE 6 provides one x8 link to CPU2; The onboard PCIE 1 slots
provide one x8 Gen3 link to CPU1 (MIO supported.). These slot supports VGA
Cards and various server class high performance add-on cards.
2.5.6
PIKE slots
The PIKE slot allows you to choose and change your preferred SAS solution easily.
Install an optional ASUS PIKE RAID card based on your needs.