Interrupt Assignments; Pci Express X16 - Asus K8N-DRE - Motherboard - Extended ATX User Manual

2.5.3 2.5.3

Interrupt assignments

Interrupt assignments
2.5.3 2.5.3 2.5.3 Interrupt assignments Interrupt assignments Interrupt assignments
Standard interrupt assignments Standard interrupt assignments
Standard interrupt assignments Standard interrupt assignments Standard interrupt assignments
I R Q I R Q P r i o r i t y P r i o r i t y
I R Q I R Q I R Q P r i o r i t y P r i o r i t y P r i o r i t y
0 1
1 2
2 –
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 2.5.4 2.5.4

PCI Express x16

PCI Express x16 PCI Express x16
2.5.4 2.5.4 PCI Express x16 PCI Express x16
This motherboard comes with one PCI Express x16 graphics slot that
complies with the PCI Express specifications. If your chassis supports a PCI
Express riser card, install the riser card to support two PCI Express x8
cards. The figure shows a PCI Express riser card installed on the PCI Express
x16 slot.
A S U S K 8 N - D R E A S U S K 8 N - D R E A S U S K 8 N - D R E
A S U S K 8 N - D R E A S U S K 8 N - D R E
S t a n d a r d F u n c t i o n S t a n d a r d F u n c t i o n
S t a n d a r d F u n c t i o n S t a n d a r d F u n c t i o n S t a n d a r d F u n c t i o n
System Timer
Keyboard Controller
Programmable interrupt
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
2 - 1 7 2 - 1 7 2 - 1 7
2 - 1 7 2 - 1 7