Cpu Fan Connector; Atx Power Connector; Atx 12V Power; Serial Port Header - ASROCK B450M Pro4-F Manual

CPU Fan Connector

(4-pin CPU_FAN1)
(see p.1, No. 2)

ATX Power Connector

(24-pin ATXPWR1)
(see p.1, No. 6)

ATX 12V Power

Connector
(8-pin ATX12V1)
(see p.1, No. 1)

Serial Port Header

(9-pin COM1)
(see p.1, No. 19)
TPM Header
(17-pin TPMS1)
(see p.1, No. 20)
30
FAN_SPEED
FAN_VOLTAGE_CONTROL
FAN_SPEED_CONTROL
GND
12 24
1 13
8
4
RRXD1
DDTR#1
DDSR#1
CCTS#1
1
RRI#1
RRTS#1
GND
TTXD1
DDCD#1
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.
This motherboard
5
provides a 8-pin ATX 12V
power connector. To use a
1
4-pin ATX power supply,
please plug it along Pin 1
and Pin 5.
This COM1 header
supports a serial port
module.
This connector supports
Trusted Platform Module
(TPM) system, which can
1
securely store keys, digital
certificates, passwords,
and data. A TPM system
also helps enhance
network security, protects
digital identities, and
ensures platform integrity.