2-18
Chapter 2: Hardware information
* 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
Summary of Contents for P8B-E/4L
Page 1: ...Motherboard P8B E 4L ...
Page 24: ...2 6 Chapter 2 Hardware information 2 2 3 Motherboard layout ...
Page 90: ...4 30 Chapter 4 BIOS setup ...
Page 148: ...6 24 Chapter 6 Driver installation ...
Page 150: ...Appendix summary A ASUS P8B E 4L A 1 P8B E 4L block diagram A 3 ...
Page 151: ...ASUS P8B E 4L A 3 A 1 P8B E 4L block diagram ...
