SOYO V1.0, V1.1 quick start Frequency Setting SW1 Processor Multiplier Bus

SY-5EHM/5EH5 V1.x Quick Start Guide

CPU

Frequency Setting: SW1

Processor

Multiplier

Bus

JP7

JP9

JP10

1

2

3

4

5

6

Clock

Cyrix 6x86 MX PR 200

2.5x

66MHz

2-3

2-3

1-2

on

on

off

off

off

off

2.0x

75MHz

2-3

2-3

1-2

on

off

off

off

on

off

Cyrix 6x86 MX PR 233

2.5x

75MHz

2-3

2-3

1-2

on

on

off

off

on

off

Cyrix 6x86 MX PR 266

2.5x

83MHz

1-2

2-3

1-2

on

on

off

on

on

off

Cyrix MII 300

3.5x

66MHz

2-3

2-3

1-2

off

off

off

off

off

off

3x

75MHz

2-3

2-3

1-2

off

on

off

off

on

off

Cyrix MII 333

4.0x

66MHz

2-3

2-3

1-2

on

off

on

off

off

off

3.5x

75MHz

2-3

2-3

1-2

off

off

off

off

on

off

3x

83MHz

1-2

2-3

1-2

off

on

off

on

on

off

Cyrix MII 350

3x

100MHz

1-2

2-3

1-2

off

on

off

off

off

on

Cyrix MII 366

2.5x

100MHz

1-2

2-3

1-2

on

on

off

off

off

on

P54C

P100

1.5x

66MHz

2-3

2-3

1-2

off

off

off

off

off

off

P54C

P133

2.0x

66MHz

2-3

2-3

1-2

on

off

off

off

off

off

P54C/P55C P166

2.5x

66MHz

2-3

2-3

1-2

on

on

off

off

off

off

Installation

P54C/P55C P200

3x

66MHz

2-3

2-3

1-2

off

on

off

off

off

off

P55C

P233

3.5x

66MHz

2-3

2-3

1-2

off

off

off

off

off

off

IDT X86 CPU C6/2-

3x

66MHz

2-3

2-3

1-2

off

on

off

off

off

off

200

IDT X86 CPU C6/2-

3x

75MHz

2-3

2-3

1-2

off

on

off

off

on

off

225

IDT X86 CPU 2-233

3.5x

66MHz

2-3

2-3

1-2

off

off

off

off

off

off

IDT X86 CPU 2-266

2.33x

100MHz

1-2

2-3

1-2

off

on

on

off

off

on

IDT X86 CPU 2-300

2.5x

100MHz

2-3

2-3

1-2

on

on

off

off

off

on

Rise mP6 PR266

3x

66MHz

2-3

2-3

1-2

off

on

off

off

off

off

2.0x

100MHz

1-2

2-3

1-2

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.

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