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