Tyan Computer TYAN S1668 - Manual (Page 9)

9 S1668-ATX-001 http://www.tyan.com
I/O Selection: J28 & J29
J28 J29
For COM 1 and 2 1-2 1-2 Default
For InfraRed 2-3 2-3
Speaker Connector: J43
Pinout Assignments
1
Speaker out
2 Ground
3 Ground
4 + 5V
Keylock Connector: J44
Pinout Assignments
Pins 1 to 3 for power LED. 1 Led Output
2 No Connect
3 Ground
Pins 4 and 5 for Keylock 4 Keylock
5 Ground
Turbo Switch: J47 ( Non-Turbo Mode Not Supported )
HDD LED: J46
Pinout Assignments
1
Cathode
2 Anode
3 Cathode
4 Anode
Pins 1 and 2 are for primary IDE channel.
Pins 3 and 4 are for secondary IDE channel.