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2.5.3
Interrupt assignments
Standard Interrupt assignments
IRQ
Priority
0
1
1
2
2
-
3*
11
4*
12
5*
13
6
14
7*
15
8
3
9*
4
10*
5
11*
6
12*
7
13
8
14*
9
15*
10
* 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.
PCIEx16 slot
PCIEx16 slot
ASUS DSEB-D16 Series
Standard function
System Timer
Keyboard Controller
Programmable Interrupt
Communications Port (COM2)
Communications Port (COM1)
--
Floppy Disk Controller
--
System CMOS/Real Time Clock
ACPI Mode when used
IRQ Holder for PCI Steering
IRQ Holder for PCI Steering
PS/2 Compatible Mouse Port
Numeric Data Processor
Primary IDE Channel
Secondary IDE Channel
PCI slot
2-29
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