Appendix A: IRQ Assignments
IRQ
Priority
Default Function
0 1
System
Timer
1 2
Keyboard
Controller
2 N/A
Programmable
Interrupt
3
11
Communication Port (COM2 / IrDA)
4
12
Communication Port (COM1)
5 13
PCI devices
6 14
PCI devices
7 15
Parallel port (LPT1)
8
3
System CMOS / Real Time Clock
9 4
ACPI Controller /
PCI devices
10 5
Communic
(COM3
)
ation Port
/COM4/COM5/COM6
11 6
PCI devices
12
PS/2 mouse
CI de
(Auto free IRQ12 for PCI devices if PS/2
mouse not e
when
n.)
7
or P
vices
xist
system power o
13
Numeric Da
Proce
8
ta
ssor
14
Primary IDE
hanne
9
C
l #1
15
Secondary
Cha
10
IDE
nnel #2
44
Содержание K875
Страница 1: ...K875 Hardware Service Guide 2006 November V1 1...
Страница 11: ...Chapter 3 Troubleshooting 11...
Страница 12: ...Power Circuit Troubleshooting 12...
Страница 13: ...LCD Panel Troubleshooting 13...
Страница 14: ...Peripheral Troubleshooting 14...
Страница 15: ...Other Function Troubleshooting 15...
Страница 16: ...Touch Screen Troubleshooting 16...
Страница 20: ...2 Remove the HDD door Remove the HDD by pulling on the tag 3 Disconnect the HDD cable 1 4 HDD cable 1 20...
Страница 22: ...4 Remove the Motherboard tray 1 Removing the CPU 1 Disconnect the fan cable Fan Cable 1 22...