Memory Voltage SIMMs: Some EDO memory uses 3.3V.

Damage to system can result if these are set incorrectly!

 

Volts

J5

J7

 

J9

 

J11

 

J3

J6

J8

Default

5V

On

 

On

 

On

 

On

 

Off

Off

Off

 

 

3.3V

Off

 

Off

 

Off

 

Off

 

On

On

On

Memory Voltage DIMMs: Default is 5V.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Volts

 

JP1

 

JP2

 

JP3

 

 

 

 

 

Default

5V

 

1-2

 

1-2

 

1-2

 

 

 

 

 

 

 

3.3V

 

2-3

 

2-3

 

2-3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CPU Multiplier: J40 and J39

J40

J39

Multiplier

 

off

off

x1.5

on

off

x2

 

 

 

 

on

on

x2.5

off

on

x3

 

 

 

 

 

Host Bus Setting: J15

J15

Host Speed

PCI Speed

1-2,3-4

50MHz

25MHz

 

1-2

66.67MHz

33.33MHz

 

3-4

60MHz

30MHz

 

 

 

 

S1471-001-01 http://www.tyan.com

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Tyan Computer TYAN S1471 Volts J11 Default, Off Memory Voltage DIMMs Default is Volts, Default CPU Multiplier J40 and J39