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CPU Fan Connector
(4-pin CPU_FAN1)
(see p.10, No. 7)
Serial Port Header
(9-pin COM3)
(see p.10, No. 18)
(9-pin COM4)
(see p.10, No. 19)
(9-pin COM5)
(see p.10, No. 23)
(9-pin COM6)
(see p.10, No. 22)
TPM Header
(17-pin TPM1)
(see p.10, No. 36)
FAN_SPEED_CONTROL
FAN_SPEED
+12V
GND
1
2
3
PIN
1
2
3
4
5
GND
SERIRQ#
S_PWRDWN#
GND
LAD1
LAD2
SMB_DATA_MAIN
SMB_CLK_MAIN
GND
1
Though this motherboard
provides a 4-Pin CPU fan
(Quiet Fan) connector, 3-Pin
4
CPU fans can still work suc-
cessfully even without fan
speed control. If you plan to
connect a 3-Pin CPU fan,
please connect it to Pin 1-3.
These COM headers sup-
port serial port modules.
RS232
RS422
DCD, Data
TX-
carrier detect
RXD, Receive
RX+
data
TXD, Transmit
TX+
data
DTR, Data
RX-
terminal ready
GND
GND
This connector supports
GND
Trusted Platform Module
+3VSB
(TPM) system, which can
LAD0
securely store keys, digital
+3V
certiicates, passwords, and
LAD3
PCIRST#
data. A TPM system also
FRAME
PCICLK
helps enhance network se-
curity, protects digital identi-
ties, and ensures platform
integrity.
21
RS485
RTX-
N/A
RTX+
N/A
GND
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