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ATX Power Connector
(24-pin ATXPWR1)
(see p.7, No. 4)
ATX 12V Power
Connectors
(8-pin ATX12V1)
(see p.7, No. 1)
TPM Header
(17-pin TPMS1)
(see p.7, No. 28)
X470D4U:
PSU SMBus Header
(5-pin PSU_SMB1)
(see p.7, No. 3)
X470D4U:
Intelligent Platform
Management Bus Header
(4-pin IPMB_1)
(see p.7, No. 35)
32
1
13
GND
1
4
5
8
12V
1
ALERT
SMBCLK
+3V
1
SMBDATA
GND
IPMB_SDA
IPMB_SCL
GND
No Connect
This motherboard provides a
24-pin ATX power connector.
To use a 20-pin ATX power
12
supply, please plug it along Pin
24
1 and Pin 13.
This motherboard provides
one 8-pin ATX 12V power
connector.
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.
PSU SMBus monitors the
status of the power supply, fan
and system temperature.
This 4-pin connector is used
to provide a cabled base-board
or front panel connection for
value added features and 3rd-
party add-in cards, such as
Emergency Management cards,
t h a t p r o v i d e m a n a g e m e n t
features using the IPMB.
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