Table of Contents
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M o t h e r b o a r d F e a t u r e s & U p g r a d e s
Motherboard IRQs and DMA channels
Components
System timer
Keyboard controller
PIC daisy chain
Serial port 2
Serial port 1
Audio
Diskette controller
Parallel port
Real time clock
On-board video
USB
Mouse
Co-processor
Primary E-IDE
Secondary E-IDE
Components
Audio
Diskette controller
Parallel port (ECP)
DMAC daisy chain
Fixed assignment
BS = Can be disabled by BIOS Setup
5/6
OWNER'S HANDBOOK
0
1
2
3
BS
BS
JS
BS
BS
JS
BS
BS
BS
BS
0
1
JS
BS
BS
Usual assignment
JS = Can be disabled by moving a jumper
Interrupts (IRQs)
4
5
6
7
8
DMA channels
2
3
BIOS alternative
9
10
11
12
4
5
6
PnP alternative
13
14
15
7
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