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Chassis Speaker Header
(4-pin SPEAKER1)
TPM Header
(17-pin TPM1)
Serial General Purpose
Input/Output Headers
(7-pin SATA_SGPIO1)
PSU SMBus
(PSU_SMB1)
22
DUMMY
SPEAKER
1
+5V
DUMMY
1
SCLOCK
SLOAD
GND
1
SDATAOUT
GND
ALERT
SMBCLK
+3VSB
1
SMBDATA
GND
Please connect the chassis
speaker to this header.
This connector supports Trust-
ed 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.
This header supports Serial
Link interface for onboard
SATA connections.
PSU SMBus monitors the
status of the power supply, fan
and system temperature.
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