Connectors


ATX/ATX12V

Main Power Connector		Auxiliary Power Connector
+3.3V 1 11 +3.3V +3.3V 2 12 -12V COM 3 13 COM +5V 4 14 PS_ON# COM 5 15 COM +5V 6 16 COM COM 7 17 COM PWR_OK 8 18 -5V +5VSB 9 19 +5V +12V 10 20 +5V		1 COM 2 COM 3 COM 4 +3.3V 5 +3.3V 6 +5V

SSI EPS12V

Baseboard Power Connector		Processor Power Connector
+3.3V 1 13 +3.3V +3.3V 2 14 -12V COM 3 15 COM +5V 4 16 PS_ON# COM 5 17 COM +5V 6 18 COM COM 7 19 COM PWR_OK 8 20 -5V +5VSB 9 21 +5V +12V2 10 22 +5V +12V2 11 23 +5V +3.3V 12 24 COM		COM 1 5 +12V1 COM 2 6 +12V1 COM 3 7 +12V1 COM 4 8 +12V1

Server Signal Connector		Workstation Power Connector
1 SMBus Clock 2 SMBus Data 3 Reserved 4 ReturnS 5 3.3RS		+3.3V 1 4 COM +3.3V 2 5 COM +12V2 3 6 +12V2

WTX

Primary 2x12 connector,P1		Primary 2x11 connector,P2
3.3V 1 13 3.3V 3.3V 2 14 3.3V 3.3V 3 15 3.3V 3.3V 4 16 3.3V 3.3V 5 17 3.3VAUX COM 6 18 COM COM 7 19 COM COM 8 20 COM COM 9 21 COM COM 10 22 5VSB 5V 11 23 5V 5V 12 24 5V		5VSENSE 1 12 12 5VSENSE RTN 3.3VSENSE 2 13 3.3VSENSE RTN Reserved 3 14 Reserved COM 4 15 COM COM 5 16 12VIO 12VIO 6 17 12VIO -12V 7 18 Sleep I2C clk 8 19 I2C data FanC 9 20 FanM PS-OK 10 21 PS-ON Reserved 11 22 Reserved

Primary 2x4 connector,P3		Primary 2x3 connector,P4
12VDIG 1 5 COM 12VDIG 2 6 COM 12VDIG 3 7 COM 12VDIG SENSE 4 8 12VDIG SEN RTN		12VCPU# 1 5 COM 12VCPU# 2 6 COM 12VCPU# 3 7 COM