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Chapter 5
APPENDIX A
The table below summaries the functions and settings of each jumper of the motherboard.
CPU Voltage
3.3V Single Voltage CPU
Selection
For P54C, P54CT, 3.3V IDT WinChip C6
3.5V Single CPU
For 54C-VRE, AMD-K5, Cyrix 6x86,
3.5V IDT WinChip C6
3.3V (I/O)/2.8V (core) Dual Voltage CPU
For P55C, Cyrix 6x86L
3.3V (I/O)/2.9V(core) Dual Voltage CPU
For AMD K6/166, 200,
Cyrix 6x86MX-PR166/200, Cyrix MII
3.3V (I/O)/3.2V (core) Dual Voltage CPU
For AMD K6/233
3.3V (I/O)/2.2V (core) Dual Voltage CPU
For AMD K6 (2.2V) and K6-2
CPU Speed
For 90MHz Intel Pentium, AMD-K5-PR90 and
Selection
AMD-K5-PR120 CPU
*Reserve*
S12 open
For 100MHz and 233MHz Intel Pentium,
AMD-K6/233, AMD-K5-PR100,
AMD-K5-PR150 and Cyrix MII-300, using
66MHz, (for future support only) CPU
For 120MHz Intel Pentium and
Cyrix 6x86L-PR150 CPU
For 133MHz Intel Pentium, AMD-K5-PR133
(REV C) and Cyrix 6x86L-PR166 CPU
For 150MHz Intel Pentium and
Cyrix 6x86MX-PR166 CPU
46
QUICK GUIDE
Function
To be continued...
Jumper Settings
S1:
close
S4:
close
S2:
close
S6:
open
S3:
open
S1:
close
S4:
close
S2:
close
S6:
open
S3:
close
S4:
open
S1:
close
S6:
close
S2:
open
S3:
open
S1:
close
S4:
close
S2:
open
S6:
close
S3:
open
S1:
close
S4:
open
S2:
close
S6:
close
S3:
open
S1:
open
S4:
open
S2:
open
S6:
close
S3:
close
S7:
open
S10:
close
S8:
open
S11:
open
S9:
open
S7:
open
S10:
open
S8:
open
S11:
open
S9:
open
S7:
close
S10:
close
S8:
open
S11:
open
S9:
open
S7:
close
S10:
open
S8:
open
S11:
open
S9:
open
S7:
close
S10:
close
S8:
close
S11:
open
S9:
open
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