ASROCK B450M-HDV R4.0 Manual page 21

ATX 12V Power
Connector
(4-pin ATX12V1)
(see p.1, No. 1)
Serial Port Header
(9-pin COM1)
(see p.1, No. 14)
TPM Header
(17-pin TPMS1)
(see p.1, No. 15)
This motherboard
provides a 4-pin ATX 12V
power connector.
This COM1 header
RRXD1
DDTR#1
supports a serial port
DDSR#1
CCTS#1
module.
1
RRI#1
RRTS#1
GND
TTXD1
DDCD#1
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.
B450M-HDV R4.0
19