TYAN B8251T83E8HR-2T-N, Service Engineer'S Manual

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J62(PWR3)/J63(PWR2) : 8-pin CPU Power Connector
Signal Pin Pin Signal
GND 1 5 12 Vdc
GND 2 6 12 Vdc
GND 3 7 12 Vdc
GND 4 8 12 Vdc
J64(PWR5)/J65(PWR4)/J66(PWR6): 8-pin Power Connector for Memory and
PCIe Slots
Signal Pin Pin Signal
GND 1 5 12 Vdc
GND 2 6 12 Vdc
GND 3 7 12 Vdc
GND 4 8 12 Vdc
J60(PWR1): 24-pin Power Connector
Signal Pin Pin Signal
+3.3 Vdc 1 13 +3.3 Vdc
+3.3 Vdc 2 14 -12 Vdc
GND 3 15 GND
+5 Vdc 4 16 PS_ON#
GND 5 17 GND
+5 Vdc 6 18 GND
GND 7 19 GND
PWR_OK 8 20 NC
5 VSB 9 21 +5 Vdc
+12 Vdc 10 22 +5 Vdc
+12 Vdc 11 23 +5 Vdc
+3.3 Vdc 12 24 GND
J36: Clear CMOS Jumper
Normal RTC Reset
( Default )
You can reset the CMOS settings by using this jumper. This can be
useful if you have forgotten your system/setup password, or need to
clear the system BIOS setting.
1. Power off system and disconnect power connectors from the
motherboard.
2. Remove the jumper cap from Pin_1 and Pin_2 (Default setting).
3. Move the jumper cap to close Pin_2 and Pin_3 for several seconds
to Clear CMOS.
4. Put jumper cap back to Pin_1 and Pin_2 (Default setting).
5. Reconnect power connectors to the motherboard and power on
system.
Clear RTC Registers