ASROCK B450M-HDV R4.0 - Page 34

B450M-HDV R4.0
29
English
ATX 12V Power
Connector
(4-pin ATX12V1)
(see p.6, No. 1)
is motherboard
provides a 4-pin ATX 12V
power connector.
Serial Port Header
(9-pin COM1)
(see p.6, No. 14)
is COM1 header
supports a serial port
module.
TPM Header
(17-pin TPMS1)
(see p.6, No. 15)
is connector supports
Trusted Platform Module
(TPM) system, which can
securely store keys, digital
certicates, passwords,
and data. A TPM system
also helps enhance
network security, protects
digital identities, and
ensures platform integrity.
CCTS#1
RRTS#1
DDSR#1
DDTR#1
RRXD1
GND
TTXD1
DDCD#1
1
RRI#1
1
GN D
SM B _DATA_MAIN
LA D 2
LA D 1
GN D
S_ P WRDWN #
SE R IRQ #
GN
D
P C I C L K
P C I R ST #
LA D 3
+3 V
LA D 0
+3VS B
GN D
FR A M E
SM B _CLK_MAIN