Hardware Setup
7
JP2, JP6: Power Supply Selection Jumpers
These two jumpers let you select either the AT or the ATX power
supply. Use only one power supply at a time on this mainboard.
JP2
JP6
AT Power Supply
(default)
3
2
1
3
2
1
ATX Power Supply
3
2
1
3
2
1
JP37: DIMM Voltage Jumper
There are two kinds of DIMM voltages in the marketÑ3.3V and 5VÑ
and most of SDRAM DIMMS are 3.3V. Choose the correct voltage
according to the DIMM that you are using.
DIMM Voltage
JP37 Setting
3.3V
(default)
2
4
6
1
3
5
5V
2
4
6
1
3
5
Caution:
Do not change this jumper to 5V setting unless you are
sure that your DIMMs are 5V. The wrong setting may
cause the system malfunction.
JP7, JP8 : Host Bus Frequency Selection Jumper
JP7
JP8
CPU Host Bus
Frequency
AGP Host Bus
Frequency
PCI Host Bus
Frequency
3
2
1
(default)
3
2
1
(default)
66
66
33
3
2
1
3
2
1
100
66
33
