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1.6
I/O Address and IRQ/DRQ
I/O Address and IRQ
On Board I/O
GAME
COM1
COM2
COM3
COM4
IDE1
IDE2
LPT1
LPT2
LPT3
FDD1
PS/2 MOUSE
1.7
Jumpers and Connectors List
ITEMS
DESCRIPTION
JP2
1-2 for 256K Cache,
JP6
Set CPU External Bus Frequency Rate (BF0, BF1)
JP7
Set CPU External Bus Frequency Rate (BF0, BF1)
IDE 1:
Primary
IDE devices
IDE 2:
Secondary IDE port to support ATAPI Mode 5
IDE devices.
FDC/CN8:
Support 2 FDD up to 1.44MB or 2.88MB .
Address
IRQ
200-20F
X
3F8-3FF
4
2F8-2FF
3
3E8-3EF
3
2E8-2EF
3
1F0-1F7
14
170-177
15
378-37F
7
278-27F
7
3BC-3BF
7
3F0-3F7
6
X
12
IDE port to support ATAPI Mode 5
DRQ
X
X
X
X
X
X
X
3 (ECP)
3 (ECP)
3 (ECP)
2
X
3-4 for 512K Cache
17
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