Asus DSBF-D16 User Manual - Page 50

Interrupt assignments, PCI Express x8 slots x8 link

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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 Standard Function System Timer Keyboard Controller Re-direct to IRQ#9 Communications Port (COM2)* Communications Port (COM1)* IRQ holder for PCI steering* Floppy Disk Controller Printer Port (LPT1)* System CMOS/Real Time Clock IRQ holder for PCI steering* IRQ holder for PCI steering* IRQ holder for PCI steering* PS/2 Compatible Mouse Port* Numeric Data Processor Primary IDE Channel Secondary IDE Channel * These IRQs are usually available for ISA or PCI devices. 2.5.4 PCI Express x8 slots (x8 link) The onboard PCI Express x8 slots provides x8 link to the ESB2. This slot is designed for various server class high performance add-on cards like SCSI RAID card, fiber-channel card, etc. PCIE x 8 slots 2-28 Chapter 2: Hardware information

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2-28
Chapter 2: Hardware information
2.5.3
Interrupt assignments
Standard interrupt assignments
IRQ
Priority
Standard Function
0
1
System Timer
1
2
Keyboard Controller
2
—
Re-direct to IRQ#9
3
11
Communications Port (COM2)*
4
12
Communications Port (COM1)*
5
13
IRQ holder for PCI steering*
6
14
Floppy Disk Controller
7
15
Printer Port (LPT1)*
8
3
System CMOS/Real Time Clock
9
4
IRQ holder for PCI steering*
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 x8 slots (x8 link)
The onboard PCI Express x8 slots
provides x8 link to the ESB2. This slot is
designed for various server class high
performance add-on cards like SCSI RAID
card, fiber-channel card, etc.
PCIE x 8 slots