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System Fan Connectors
(4-pin FAN1)
(see p.6, No. 8)
(4-pin FAN2)
(see p.6, No. 9)
(4-pin FAN3)
(see p.6, No. 20)
Intelligent Platform
Management Bus Header
(4-pin IPMB1)
(see p.6, No. 16)
PSU SMBus Header
(5-pin PSU_SMB1)
(see p.6, No. 6)
Baseboard Management
Controller SMBus Header
(5-pin BMC_SMB1)
(see p.6, No. 17)
Chassis Speaker Header
(4-pin SPEAKER1)
(see p.6, No. 18)
20
FAN_SPEED
FAN_VOLTAGE_CONTROL
FAN_SPEED_CONTROL
GND
IPMB_SDA
IPMB_SCL
GND
No Connect
ALERT
SMBCLK
+3V
1
SMBDATA
GND
BMC_SMB_PRESENT_1_N
Power
BMC_SMBCLK7
GND
BMC_SMBDATA7
DUMMY
SPEAKER
1
+5V
DUMMY
Please connect fan cables to the
fan connector and match the
black wire to the ground pin.
All fans support Fan Control.
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.
PSU SMBus monitors the
status of the power supply, fan
and system temperature.
The header is used for the
SMBUS devices.
Please connect the chassis
speaker to this header.
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