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Thermal Sensor Header
(3-pin TR1)
(see p.6, No. 30)
PWM Configuration
Header
(3-pin PWM_CFG1)
(see p.6, No. 4)
Non Maskable Interrupt
Button Header
(NMI_BTN1)
(see p.6, No. 33)
PSU SMBus
(PSU_SMB1)
(see p.7, No. 7)
Intelligent Platform
Management Bus Header
(4-pin IPMB1)
(see p.6, No. 31)
Baseboard Management
Controller SMBus Header
(5-pin BMC_SMB1)
(see p.6, No. 32)
26
TR1
TR1
1
GND
1
GND
1
CONTROL
ALERT
SMBCLK
+3V
1
SMBDATA
GND
GND
No connect
IPMB_SCL
IPMB_SDA
BMC_SMB_PRESENT_1_N
Power
BMC_SMBCLK
GND
BMC_SMBDATA
Please connect the thermal
sensor cable to either pin 1-2
or pin 2-3 and the other end
to the device to monitor its
temperature.
This header is used for PWM
configurations.
Please connect a NMI device
to this header.
PSU SMBus monitors the
status of the power supply, fan
and system temperature.
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.
The header is used for the SM
BUS devices.
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