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