ASRock IMB-1216M [17/42] Onboard headers and connectors

ASRock IMB-1216M [17/42] Onboard headers and connectors
17
2.6 Onboard Headers and Connectors
Onboard headers and connectors are NOT jumpers. Do NOT place
jumper caps over these headers and connectors. Placing jumper caps
over the headers and connectors will cause permanent damage of the
motherboard!
CPU Fan Connector Please connect the CPU fan
(4-pin CPU_FAN1)
cable to the connector and
(see p.8 No. 8)
match the black wire to the
ground pin.
Though this motherboard provides 4-Pin CPU fan (Quiet Fan) support, the 3-Pin
CPU fan still can work successfully even without the fan speed control function.
If you plan to connect the 3-Pin CPU fan to the CPU fan connector on this
motherboard, please connect it to Pin 1-3.
CPU_FAN_SPEED
FAN_SPEED_ CONTROL
4 3 2 1
COM Port Headers
(10-pin COM1~6: see p.8, No. 22)
This motherboard supports RS232/422/485 on COM1, 2 ports. Please refer to below
table for the pin denition. In addition, COM1, 2 ports (RS232/422/485) can be
adjusted in BIOS setup utility > Advanced Screen > Super IO Conguration. You
may refer to page 31 for details.
COM1, 2 Port Pin Denition
PIN
Signal
Name
PIN
Signal
Name
PIN
Signal
Name
PIN
Signal
Name
PIN
Signal
Name
2 RRXD 4 DDTR# 6 DDSR# 8 CCTS# 10 NC
1 DDCD# 3 TTXD 5 GND 7 RRTS# 9 PWR
1
PIN RS232 RS422 RS485
1 DCD TX- RTX-
2 RXD RX+ N/A
3 TXD TX+ RTX+
4 DTR RX- N/A
5 GND GND GND
6 DSR N/A N/A
7 RTS N/A N/A
8 CTS N/A N/A
9 PWR PWR PWR

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