Reset Connector: J41

Turbo LED Connector: J48

Flash EPROM: J50

Pinout Assignment

1Power Good

2Ground

Pinout Assignment

1Cathode

2Anode

This jumper should be left at the factory default.

J50 1-2

Keylock Connector: J47

Pinout Assignments

1Led Output

2No Connect

3Ground

4Keylock

5Ground

CMOS Resest/Password Reset: J45(Default off)

If you at anytime need to reset the CMOS because you have forgotten your password do the following.

If your system has the Dallas DS12887A chip, just power down the machine and close jumper J45for five seconds. Then open the jumper and power on the machine. Your CMOS will be cleared.

If your system has the Dallas DS12B887 chip, your system must be powered on when you close jumper J45. It only needs to be closed for a couple of seconds. Then remove the jumper and your CMOS will be cleared.

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

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Tyan Computer TYAN S1471 user manual Reset Connector J41 Turbo LED Connector J48 Flash Eprom J50, Keylock Connector J47