Jumper Settings


J4, J8, J14, J21: CPU Voltage Select

J4 J8 J14 J21 CPU Type
SHORT SHORT SHORT SHORT P54C
OPEN OPEN OPEN OPEN P55C
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J5, J6, J7, J9: CPU Frequency Select

J5 J6 J7 J9 CPU External Clock CPU Speed
OPEN OPEN SHORT SHORT 50MHz Pentium 75
OPEN OPEN OPEN SHORT 60MHz Pentium 90
OPEN OPEN SHORT OPEN 66MHz Pentium 100
SHORT OPEN OPEN SHORT 60MHz Pentium 120
SHORT OPEN SHORT OPEN 66MHz Pentium 133
SHORT SHORT OPEN SHORT 60MHz Pentium 150
SHORT SHORT SHORT OPEN 66MHz Pentium 166
OPEN SHORT SHORT OPEN 66MHz Pentium 200
Please note that these settings apply to Intel Pentium processors only. Cyrix 6x86 and AMD K5 processors have SLIC (Super Low-cost Interrupt Controller) that is not compatible APIC.
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J11: AT Bus Clock Select

J11 AT Clock
OPEN PCI Clock/3
SHORT PCI Clock/4
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J12: SMI Select

J12 Function
Short 1-2 Single Pentium processor operation
Short 2-3 Dual Pentium processor operation
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Copyright 1996 Taiwan Mycomp Co, Ltd. All Rights Reserved. Pentium and Pentium Pro are registered trademarks of Intel Corp. All other product and brand names are trademarks and/or registered trademarks of their respective companies.