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SY-5EHM/5EH5 V1.x Quick Start Guide
10
Voltage Setting:
SW2 JP1
Processor Voltage
1 2 3 4 5
1-2 3-4
3.52 V
on on on on
off
open open
IDT X86 CPU C6/2-225*
IDT X86 CPU 2-266
IDT X86 CPU 2-300
The IDT X86 CPU C6/2 comes in several versions with different. Voltage.
Please ask your dealer for the correct voltage.
IDT X86 CPU C6/2-200*
IDT X86 CPU 2-233*
3.3 V on off on on off open open
Rise mP6 PR266
2.8 V
off off off
on
off close close
Step 3. Set SW1 for CPU Frequency
The DIP switch SW1 enables you to assign the Frequency Multiplier, CPU Host Bus
Clock, AGP Clock and PCI Clock, as shown in the following table:
Frequency Setting:
SW1
Processor Multiplier
CPU
Bus
Clock
JP7 JP9 JP10
1 2 3 4 5 6
AMD K5 PR100 1.5x 66MHz 2-3 2-3 1-2
off off off off off off
AMD K5 PR133 2.0x 66MHz 2-3 2-3 1-2
on off off off off off
AMD K5 PR166 2.5x 66MHz 2-3 2-3 1-2
on on off off off off
AMD K6 166 2.5x 66MHz 2-3 2-3 1-2
on on off off off off
AMD K6 200 3x 66MHz 2-3 2-3 1-2
off on off off off off
AMD K6 233 3.5x 66MHz 2-3 2-3 1-2
off off off off off off
AMD K6 266 4.0x 66MHz 2-3 2-3 1-2
on off on off off off
AMD K6 300 4.5x 66MHz 2-3 2-3 1-2
on on on off off off
AMD K6-2 266 4.0x 66MHz 2-3 2-3 1-2
on off on off off off
4.5x 66MHz 2-3 2-3 1-2
on on on off off off
AMD K6-2 300
3x 100MHz 1-2 2-3 1-2
off on off off off on
5.0x 66MHz 2-3 2-3 1-2
off on on off off off
AMD K6-2 333
3.5x 95MHz 1-2 2-3 1-2
off off off on off on
AMD K6-2 350 3.5x 100MHz 1-2 2-3 1-2
off off off off off on
AMD K6-2 366 5.5x 66MHz 2-3 2-3 1-2
off off on off off off
AMD K6-2 380 4.0x 95MHz 1-2 2-3 1-2
on off on on off on
AMD K6-2 400 4.0x 100MHz 1-2 2-3 1-2
on off on off off on
AMD K6-2 450 4.5x 100MHz 1-2 2-3 1-2
on on on off off on
AMD K6-2 475 5.0x 95MHz 1-2 2-3 1-2
off on on on off on
AMD K6-2 500 5.0x 100MHz 1-2 2-3 1-2
off on on off off on
AMD K6-III 400 4.0x 100MHz 1-2 2-3 1-2
on off on off off on
AMD K6-III 450 4.5x 100MHz 1-2 2-3 1-2
on on on off off on
Cyrix 6x86 MX PR 166+
2.0x 66MHz 2-3 2-3 1-2
on off off off off off
Cyrix 6x86 PR MX 200+
2.0x 75MHz 2-3 2-3 1-2
on off off off on off
Cyrix 6x86 MX PR 166
2.0x 66MHz 2-3 2-3 1-2
on off off off off off