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Baseboard Management
Controller SMBus Header
(5-pin BMC_SMB1)
(see p.6, No. 48)
Serial Port Header
(9-pin COM1)
(see p.6, No. 1)
PWM Configuration
Header
(3-pin PWM_CFG1)
(see p.6, No. 24)
Clear CMOS Pad
(CLRMOS1)
(see p.6, No. 2)
HDD Power Connector
(4-pin HDD_PWR1)
(see p.6, No. 30)
BMC_SMBDATA
GND
BMC_SMBCLK
Power
BMC_SMB_PRESENT_1_N
1
1
DDCD#1
TTXD1
GND
DDSR#1
RRTS#1
CCTS#
RRI#1
1
2
1
GND
GND
+5V
+12V
4
3
ROME2D16HM3
This header is used for the SM
BUS devices.
This COM1 header
RRXD1
DDTR#1
supports a serial port
module.
This header is used for PWM
configurations.
CLRMOS1 allows you to clear
the data in CMOS. To clear
CMOS, take out the CMOS
battery and short the Clear
CMOS Pad.
This connector is used for
power supply from the system .
25
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