3 interrupt assignments, 4 pci express 2.0 x16 slots (x16 link), 5 pci express x8 slot (x8 link) – Asus DSEB-D16/SAS User Manual
Page 49: Interrupt assignments -29, Pci express 2.0 x16 slots (x16 link) -29, Pci express x8 slot (x8 link) -29, Standard interrupt assignments
ASUS DSEB-D16 Series
2-29
* These IRQs are usually available for ISA or PCI devices.
2.5.4
PCI Express 2.0 x16 slots (x16 link)
The onboard PCI Express x16 slots provides x16 link to the 5400 MCH. These
slots, which support the latest PCIe 2.0 device for twice the current speed and
bandwidth, are designed for various server class high performance add-on cards
2.5.5
PCI Express x8 slot (x8 link)
The onboard PCI Express x8 slot provides x8 link to the ESB2. These slots are
designed for various server class high performance add-on cards like SCSI RAID
card, fiber-channel card, etc.
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
PCIEx16 slot
PCI slot
PCIEx16 slot