TYAN THUNDER K8HM Manual page 13

FAN1~4/CPUFAN1~2: 4-pin Fan Connector with Speed Control
CPUFAN1/FAN1~4
GND
1
+1 2V
Tac ho me ter
PWM
CPUFAN2
1
G ND
PWM
+12V Ta chome ter
FAN5/FAN6: 4-pin Fan Connector
FAN5
N C
Ta chomete r
+12V
GND
FAN6
GND
1
+1 2V
Tac ho me ter
NC
J9: COM2 Header
2 10
1 9
Use these headers to connect the cooling fans to
the motherboard to keep the system stable and
reliable.
This connector supports the tachometer monitoring
and auto fan speed control.
Pin 1
GND
J13: CPUFAN2
J51: FAN1
Use these headers to connect cooling fans to the
motherboard to keep the system stable and
1
reliable.
Pin 1
GND
J7: FAN5
Use these pin definitions to connect a port to COM2.
Signal Pin Pin
DCD 1 2
RXD 3 4
TXD 5 6
DTR 7 8
GND 9 10
13
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Pin 2 Pin 3
+12V Tachometer
J48: CPUFAN1
J56: FAN4
Pin 2 Pin 3
+12V Tachometer
J8: FAN6
Signal
DSR
RTS
CTS
RI
KEY
Pin 4
PWM
J50: FAN3
J57: FAN2
Pin 4
NC