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SY-5EMA+ V1.0
Quick Start Guide
11
Installation
Frequency Setting:
SW1
Processor Multiplier
CPU
Bus
Clock
JP10 JP8 JP9
1 2 3 4 5 6
Cyrix 6x86 MX PR 233
2.5x 75MHz 1-2 2-3 2-3
on on
off off
on
off
Cyrix 6x86 MX PR 266
2.5x 83MHz 1-2 1-2 2-3
on on
off
on on
off
3.5x 66MHz 1-2 2-3 2-3
off off off off off off
Cyrix MII 300
3x 75MHz 1-2 2-3 2-3
off
on
off off
on
off
4.0x 66MHz 1-2 2-3 2-3
on
off
on
off off off
3.5x 75MHz 1-2 2-3 2-3
off off off off
on
off
Cyrix MII 333
3x 83MHz 1-2 1-2 2-3
off
on
off
on on
off
Cyrix MII 350 3x 100MHz 1-2 1-2 2-3
off
on
off off off
on
Cyrix MII 366 2.5x 100MHz 1-2 1-2 2-3
on on
off off off
on
Cyrix MII 380 3x 100MHz 1-2 1-2 2-3
off
on
off off off
on
P54C P100 1.5x 66MHz 1-2 2-3 2-3
off off off off off off
P54C P133 2.0x 66MHz 1-2 2-3 2-3
on
off off off off off
P54C/P55C P166 2.5x 66MHz 1-2 2-3 2-3
on on
off off off off
P54C/P55C P200 3x 66MHz 1-2 2-3 2-3
off
on
off off off off
P55C P233 3.5x 66MHz 1-2 2-3 2-3
off off off off off off
IDT WinChip C6/2-
200
3x 66MHz 1-2 2-3 2-3
off
on
off off off off
IDT WinChip C6/2-
225
3x 75MHz 1-2 2-3 2-3
off
on
off off
on
off
IDT WinChip 2-233 3.5x 66MHz 1-2 2-3 2-3
off off off off off off
IDT WinChip 2-266 2.33x 100MHz 1-2 1-2 2-3
off
on on
off off
on
IDT WinChip 2-300 2.5x 100MHz 1-2 1-2 2-3
on on
off off off
on
3x 66MHz 1-2 2-3 2-3
off
on
off off off off
Rise mP6 PR266
2x 100MHz 1-2 1-2 2-3
on
off off off off
on
This main board supports various CPU multiplier and host bus frequency settings.
*Please select the proper frequency setting based on specifications of the CPU you have
purchased. System stability or components damage, in case of over-specification setting, is
not guaranteed.
*
The K6-2 300 and 333 come in several versions with different host bus frequency
specifications. Please verify the correct host bus frequency settings before installation.