TYAN S7055 - Page 22

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22
J18/J19//J27/J44/J46/J48/J50: 4-Pin FAN Connector
Pin 1 2 3 4
Signal GND VCC Tachometer PWM
Use this header to connect the cooling fan to your motherboard to keep the
system stable and reliable.
J18: SYS_FAN_5 J19: SYS_FAN_4 J27: CPU1_FAN
J44: SYS_FAN_3 J46: SYS_FAN_2 J48: SYS_FAN_1
J50: CPU0_FAN
J20: COM2 Header
Signal Pin Pin Signal
DCD 1 2 DSR
RXD 3 4 RTS
TXD 5 6 CTS
DTR 7 8 RI
GND 9 10 KEY
J45: Front Panel Header
Signal Pin Pin Signal
PWRLED+ 1 2 FP Power(3.3V standby)
KEY Pin 3 4 ID_LED+
PWRLED-(GND) 5 6 ID_LED-(GND)
HD_LED+ 7 8 Fault LED1-
HD_LED- 9 10 Fault LED2-
Power Switch+ 11 12 LAN1_ACTIVE_LED+
Power Switch-(GND) 13 14 LAN1_ACTIVE_LED-
Reset Switch+ 15 16 SMB_DATA
Reset Switch-(GND) 17 18 SMB_CLK
ID Switch+ 19 20 INTUDER#
TBMP Sensor 21 22 LAN2_ACTIVE_LED+
NMI Switch# 23 24 LAN2_ACTIVE_LED -
J23/J40/J55: USB Front Panel Header (blue)
Signal Pin Pin Signal
USB 5V Power 1 2 USB 5V Power
USB Data- 3 4 USB Data-
USB Data+ 5 6 USB Data+
GND 7 8 GND
KEY 9 10
NC