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PSU SMBus
(PSU_SMB1)
(see p.7, No. 6)
Non Maskable Interrupt
Button Header
(NMI_BTN1)
(see p.7, No. 35)
Intelligent Platform
Management Bus Header
(4-pin IPMB1)
(see p.7, No. 33)
Thermal Sensor Headers
(3-pin TR1)
(see p.7, No. 31)
(3-pin TR2)
(see p.7, No. 30)
Backplane PCI Express
Hot-Plug Connector
(5-pin CPU1_HSBP1)
(see p.6, No. 32)
OCuLink Connectors
(OCU1)
(see p.6, No. 9)
(OCU2)
(see p.6, No. 13)
32
ALERT
SMBCLK
+3V
1
SMBDATA
GND
GND
1
CONTROL
IPMB_SDA
IPMB_SCL
No connect
GND
TR1
TR1
1
GND
1
GND
P0_HP_ALERT_L
CPU_HP_SDA
CPU_HP_SCL
+3V
O CU1
O CU2
PSU SMBus monitors the
status of the power supply, fan
and system temperature.
Please connect a NMI device
to this header.
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.
Please connect the thermal
sensor cable to either pin 1-2
or pin 2-3 and the other end to
the device which you wish to
monitor its temperature.
This header is used for the hot
plug feature of HDDs on the
backplane.
Please connect PCIE SSDs to
the connector.
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