SOYO SY-5EMA+ quick start Set SW1 for CPU Frequency, JP8 JP9

SY-5EMA+Quick Start Guide

Step 3. Set SW1 for CPU Frequency

The DIP switch SW1 enable you to assign the Multiplier and Bus Clock, as shown in the following table:

CPU

Frequency Setting: SW1

Processor

Multiplier

Bus

JP10

JP8

JP9

1

2

3

4

5

6

Clock

AMD K5 PR100

1.5x

66MHz

1-2

2-3

2-3

off

off

off

off

off

off

AMD K5 PR133

2.0x

66MHz

1-2

2-3

2-3

on

off

off

off

off

off

AMD K5 PR166

2.5x

66MHz

1-2

2-3

2-3

on

on

off

off

off

off

AMD K6 166

2.5x

66MHz

1-2

2-3

2-3

on

on

off

off

off

off

AMD K6 200

3x

66MHz

1-2

2-3

2-3

off

on

off

off

off

off

AMD K6 233

3.5x

66MHz

1-2

2-3

2-3

off

off

off

off

off

off

AMD K6 266

4.0x

66MHz

1-2

2-3

2-3

on

off

on

off

off

off

Installation

Cyrix 6x86 MX PR 166+

2.0x

66MHz

1-2

2-3

2-3

on

off

off

off

off

off

AMD K6 300

4.5x

66MHz

1-2

2-3

2-3

on

on

on

off

off

off

AMD K6-2 266

4.0x

66MHz

1-2

2-3

2-3

on

off

on

off

off

off

AMD K6-2 300

3x

100MHz

1-2

1-2

2-3

off

on

off

off

off

on

AMD K6-2 333

3.5x

95MHz

1-2

1-2

2-3

off

off

off

on

off

on

AMD K6-2 350

3.5x

100MHz

1-2

1-2

2-3

off

off

off

off

off

on

Cyrix 6x86 PR MX 200+

2.0x

75MHz

1-2

2-3

2-3

on

off

off

off

on

off

Cyrix 6x86 MX PR 166

2.0x

66MHz

1-2

2-3

2-3

on

off

off

off

off

off

Cyrix 6x86 MX PR 200

2.5x

66MHz

1-2

2-3

2-3

on

on

off

off

off

off

2.0x

75MHz

1-2

2-3

2-3

on

off

off

off

on

off

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

Cyrix MII 300

3.5x

66MHz

1-2

2-3

2-3

off

off

off

off

off

off

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

Cyrix MII 333

3.5x

75MHz

1-2

2-3

2-3

off

off

off

off

on

off

3x

83MHz

1-2

1-2

2-3

off

on

off

on

on

off

2.5x

100MHz

1-2

1-2

2-3

on

on

off

off

off

on

Cyrix MII 350

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

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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