Com Connectors (Com1~Com4); Fan Connectors (Fan1, Fan2 And Fan3) - AXIOMTEK SHB150 Series User Manual

2.4.8

COM Connectors (COM1~COM4)

The board supports RS-232/RS-422/RS-485 mode operation for COM1 and COM2. See
the table below for the pin assignments. You can change the transmission mode from
BIOS setting. COM3 and COM4 support RS-232 only.
Pin RS-232
Data Carrier
1
Detect (DCD)
Data Set Ready
2
(DSR)
Receive Data
3
(RXD)
Request to Send
4
(RTS)
Transmit Data
5
(TXD)
Clear to Send
6
(CTS)
Data Terminal
7
Ready (DTR)
Ring Indicator
8
(RI)
9 Ground (GND)
10 Disconnect (NI)
2.4.9

FAN Connectors (FAN1, FAN2 and FAN3)

Fans are needed for cooling down CPU and system temperature. The board has three
fan connectors. You can find fan speed option(s) at BIOS Setup Utility if either fan is
installed. For further information, see BIOS Setup Utility: Advanced\HW Monitor\PC
Health Status.
Auxiliary and system fan interfaces are available through FAN1 and FAN2. See the table
below.
Pin
1
2
3
CPU fan interface is available through FAN3. See the table below.
Pin
1
2
3
4
Board and Pin Assignments
RS-422
TX-
No connector
TX+
No connector
RX+
No connector
RX-
No connector
GND
NI
Signal
GND
+12V level
Rotation detection
Signal
Ground
+12V
Rotation Detection
Speed Control
SHB150 LGA1151 Full-size CPU Card
RS-485
DATA-
No connector
DATA+
No connector
No connector
No connector
No connector
No connector
GND
NI
3 1
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