BIOS Voltage Select: JP2 (Default is 5V)

 

 

BIOS 5V

BIOS 12V

 

JP2

1-2

2-3

 

 

 

 

 

 

J8 Jumper Block:

 

 

 

 

 

 

 

 

 

Desc.

PIN#

 

 

 

Soft Power

1-2

 

 

 

Ext SMI

3-4

 

 

 

IR1

8-11

 

 

 

Pri HDD LED

13-14

 

 

 

Sec HDD LED 15-16

 

 

 

PWR LED

18-20

 

 

 

Reset SW

22-23

 

 

 

Speaker

24-27

 

 

 

 

 

 

CPU Select: Default P54C, P55C(MMX), & Cyrix

These jumpers need not be changed. The system will auto-detect your CPU type.

P54C,

P55C(MMX)

Cyrix

JP11 Off

JP12 Off

JP13 On

CMOS Reset: JP1(Default Battery On)

Battery On

CMOS Reset

1-2

2-3

 

 

To reset CMOS, jumper JP1 on pins 2-3 for two seconds, then jumper it back to pins 1-2.

S1572-001-01 http://www.tyan.com

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Tyan Computer TYAN S1572 ATX user manual Bios Voltage Select JP2 Default is, J8 Jumper Block Desc, P54C, Cyrix