Setting Up Jumpers And Onboard Connectors; A Front Panel Connector; Bcmos Reset - TYAN THUNDER K7 User Manual

2.6 Setting up Jumpers and Onboard Connectors

Pinouts for certain connectors are available on the Tyan website: http://www.tyan.com
2.6-A. Front Panel Connector (J12)
Your chassis will usually come with connectors to install onto
the motherboard, such as HDD and Power LEDs. The Front
Panel Connector has been implemented for such purposes.
2.6-B. CMOS Reset (J21)
If you have been locked out of your system because you forgot your password or set the CMOS incor-
rectly, or have just finished flashing your BIOS follow the instructions below.
1. Power off the system, and disconnect the power supply
2. Close pins 2-3 on J21
3. Wait about three seconds
4. Close pins 1-2 on J21, then power on the system again
By following this procedure, you will erase your password and reset the CMOS.
12
HDD LED
VCC 1 2
3 4
5 6
ground 7 8
switch 9 10 no connect
11 12 no connect
ground 13 14
switch 15 16
17 18
ground 19 20 no connect
switch 21 22
23 24
25 26
Abbreviations
Rst
Pwr
Slp
1-2
J21
normal clear
* default is 1-2
http://www.tyan.com
LED
+5VCC
spk
VCC
ground
keylock
ground
Reset
Power
Sleep
2-3