Jp12/Jp15/Jp16: Power Supply Selection Jumper; Jp6/Jp7/Jp11: Ce Test Jumper Pin; Sw1: Bus Fraction Core/Bus Ratio Select Jumper - SOYO 6KF User's Manual & Technical Reference

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JP12/JP15/JP16: Power Supply Selection Jumper

These jumpers let you select either the AT or ATX power supply. Use
only one power supply at a time on this mainboard.
AT Power Supply
(default)
ATX Power Supply

JP6/JP7/JP11: CE Test Jumper Pin

These jumpers are reserved for the CE test. If you run into problems
during the CE test, unplug these jumper pins and try again.

SW1: Bus Fraction Core/Bus Ratio Select Jumper

Set this jumper according to your CPU clock.
Ratio
3.5x
(default)
4.0x
4.5x
5.0x
JP12
1
3
1
3
686 (PII) Family
686 (PII) Ð 233 MHz
686 (PII) Ð 266 MHz
686 (PII) Ð 300 MHz
686 (PII) Ð 330 MHz
Hardware Setup
JP15
2
4
2
4
SW1
ON
1
ON
1
ON
1
ON
1
JP16
2 3 4 5
2 3 4 5
2 3 4 5
2 3 4 5