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PSU SMBus Header
(PSU_SMB1)
(see p.6, No. 4)
+3V
1
GND
ALERT
SMBCLK
SMBDATA
PSU SMBus monitors the
status of the power supply, fan
and system temperature.
Intelligent Platform
Management Bus Header
(4-pin IPMB1)
(see p.6, No. 1)
IPMB_SDA
IPMB_SCL
No Connect
GND
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,
that provide management
features using the IPMB.
OCuLink Connector
(OCU1)
(see p.6, No. 13)
O CU1
Please connect a PCIE SSD to
this connector.
Chassis Speaker Header
(4-pin SPEAKER1)
(see p.6, No. 16)
1
+5V
DUMMY
DUMMY
SPEAKER
Please connect the
chassis speaker to this
header.
Serial General Purpose
Input/Output Header
(7-pin SATA_SGPIO1)
(see p.6, No. 18)
1
SLOAD
SCLOCK
GND
GND
SDATAOUT
The header supports Serial
Link interface for onboard
SATA connections.
Virtual RAID On CPU
Header
(4-pin VROC1)
(see p.6, No. 19)
GND
GND
+3VSB
VROC RAID KEY
1
This connector supports Intel®
Virtual RAID on CPU and
NVME/AHCI RAID on CPU
PCIE.
