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17
J4: COM2 Connector
Signal Pin Pin Signal
DCD 1 2 DSR
RXD 3 4 RTS
TXD 5 6 CTS
DTR 7 8 RI
GND 9 10 KEY
J5/J12/J30/J34/J54/J55/J56: 4-Pin FAN Connectors
Pin 1 2 3 4
Signal GND +12V TACH PWM
Use this header to connect the cooling fan to your motherboard to keep the
system stable and reliable.
J23: Front Panel Connector
Signal Pin Pin Signal
PWRLED+
1 2
FP Power (5VSB)
KEY
3 4
ID_LED+
PWLED- (GND)
5 6
ID_LED- (GND)
HD_LED+
7 8
Fault LED1-
HD_LED-
9 10
Fault LED2-
PWR SW+
11 12
LAN1_Active_LED+
PWR SW- (GND)
13 14
LAN1_Active_LED-
Reset Switch+
15 16
SMB_DATA
RST SW- (GND)
17 18
SMB_CLK
ID Switch+
19 20
INTRUDER_L
Temp Sensor
21 22
LAN2_Active_LED+
NMI Switch#
23 24
LAN2_Active_LED-
J28: Fan TACH Connector
Signal Pin Pin Signal
CPU0 FAN Tach 1 2 Rear FAN1 Tach
CPU1 FAN Tach 3 4 Rear FAN2 Tach
Front FAN1 Tach 5 6 FAN8 Tach
Front FAN2 Tach 7 8 FAN9 Tach
Front FAN3 Tach 9 10 FAN10 Tach
GND 11 12 KEY
CPU1 FAN PWM 13 14 CPU0 FAN PWM
FAN11 Tach 15 16 NC
FAN12 Tach 17 18 NC
NC 19 20 Front FAN1 PWM