User Manual
B450M-HDV
29
English
12
1
24
13
ATX Power Connector
(24-pin ATXPWR1)
(see p.6, No. 4)
is 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.
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. 17)
is COM1 header
supports a serial port
module.
TPM Header
(17-pin TPMS1)
(see p.6, No. 19)
is connector supports
Trusted Platform Module
(TPM) system, which can
securely store keys, digital
certicates, passwords,
and data. A TPM system
also helps enhance
network security, protects
digital identities, and
ensures platform integrity.
Print Port Header
(25-pin LPT1)
(see p.6, No. 16)
is is an interface
for print port cable
that allows convenient
connection of printer
devices.
1
AF D #
ER R OR#
PI N IT#
GN D
SL I N#
ST B #
SP D 0
SP D 1
SP D 3
SP D 2
SP D 4
SP D 5
SP D 6
SP D 7
AC K #
BU S Y
PE
SL C T
CCTS#1
RRTS#1
DDSR#1
DDTR#1
RRXD1
GND
TTXD1
DDCD#1
1
RRI#1
PCIRST#
FRAME
PCICLK