ASROCK AB350M-HDV R3.0 Manual page 22

Chassis Fan Connector
(4-pin CHA_FAN1)
(see p.1, 2, No. 19)
(3-pin CHA_FAN2)
(see p.1, 2, No. 16)
CPU Fan Connector
(4-pin CPU_FAN1)
(see p.1, 2, No. 2)
ATX Power Connector
(24-pin ATXPWR1)
(see p.1, 2, No. 4)
ATX 12V Power
Connector
(4-pin ATX12V1)
(see p.1, 2, No. 1)
Serial Port Header
(9-pin COM1)
(see p.1, 2, No. 14)
TPM Header
(17-pin TPMS1)
(see p.1, 2, No. 15)
20
FAN_SPEED_CONTROL 4
FAN_SPEED 3
FAN_VOLTAGE 2
GND 1
GND
FAN_VOLTAGE
CHA_FAN_SPEED
FAN_SPEED_CONTROL
CPU_FAN_SPEED
FAN_VOLTAGE
GND
1 2 3 4
12 24
1 13
RRXD1
DDTR#1
DDSR#1
CCTS#1
1
RRI#1
RRTS#1
GND
TTXD1
DDCD#1
1
Please connect fan cables
to the fan connectors and
match the black wire to
the ground pin.
This motherboard pro-
vides a 4-Pin CPU fan
(Quiet Fan) connector.
If you plan to connect a
3-Pin CPU fan, please
connect it to Pin 1-3.
This motherboard pro-
vides a 24-pin ATX power
connector. To use a 20-pin
ATX power supply, please
plug it along Pin 1 and Pin
13.
Please connect an ATX 12V
power supply to this connector.
This COM1 header
supports a serial port
module.
This connector supports
Trusted Platform Module
(TPM) system, which can
securely store keys, digital
certificates, passwords,
and data. A TPM system
also helps enhance
network security, protects
digital identities, and
ensures platform integrity.