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Front LAN LED
Connector
(LED_LAN_3_4)
(see p.6, No. 24)
Intelligent Platform
Management Bus Header
(4-pin IPMB_1)
(see p.6, No. 28)
Baseboard Management
Controller SMBus Header
(5-pin BMC_SMB_1)
(see p.6, No. 29)
PSU SMBus Header
(PSU_SMB1)
(see p.2, No. 4)
28
LAN4_LINK
LED_PWR
1
LAN3_LINK
LED_PWR
IPMB_SDA
IPMB_SCL
No connect
GND
BMC_SMB_PRESENT_1_N
Power
BMC_SMBCLK
GND
BMC_SMBDATA
ALERT
SMBCLK
+3V
1
SMBDATA
GND
This 4-pin connector is used
for the front LAN status
indicator.
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.
The header is used for the SM
BUS devices.
PSU SMBus monitors the
status of the power supply, fan
and system temperature.
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