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B450M Pro4 R2.0
12
24
ATX Power Connector
(24-pin ATXPWR1)
This motherboard pro-
vides a 24-pin ATX power
(see p.1, No. 7)
1
13
connector. To use a 20-pin
ATX power supply, please
plug it along Pin 1 and Pin
13.
8
5
1
4
ATX 12V Power
Connector
(8-pin ATX12V1)
(see p.1, No. 1)
This motherboard
provides a 8-pin ATX 12V
power connector. To use a
4-pin ATX power supply,
please plug it along Pin 1
and Pin 5.
DDSR#1
DDTR#1
RRXD1
CCTS#1
Serial Port Header
(9-pin COM1)
(see p.1, No. 21)
This COM1 header
supports a serial port
module.
1
RRI#1
RRTS#1
GND
TTXD1
DDCD#1
1
Signal
GND
Chassis Intrusion Header
(2-pin CI1)
(see p.1, No. 15)
This motherboard
supports CASE OPEN
detection feature that
detects if the chassis cove
has been removed. This
feature requires a chassis
with chassis intrusion
detection design.
GND
LAD0
PCICLK
LAD3
+3V
PCIRST #
+3VS B
TPM Header
(17-pin TPMS1)
(see p.1, No. 22)
1
GND
GND
GND
LAD1
LAD2
SERIRQ #
S_PWRDWN #
English
FRAM E
SMB_CLK_MAIN
SMB_DATA_MAIN
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.
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