ASROCK Rack E3C246D4M-4L User Manual page 39

Workstation motherboard
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Baseboard Management
Controller SMBus Header
(5-pin BMC_SMB_1)
LAN LED Connectors
(LED_LAN_3_4)
(LED_LAN_5_6)
PWM Configuration
Header
(3-pin PWM_CFG1)
Clear CMOS Pad
(CLRMOS1)
BMC_SMB_PRESENT_1_N
Power
BMC_SMBCLK
GND
BMC_SMBDATA
LAN3_LINK
LED_PWR
LED_PWR
LAN4_LINK
1
LAN5_LINK
LED_PWR
LED_PWR
LAN6_LINK
1
1
E3C246D4M-4L / E3C242D4M-4L
The header is used for the
SMBUS devices.
These 4-pin connectors are
used for the front LAN status
indicator.
This header is used for PWM
configurations.
This allows you to clear the
data in CMOS. To clear CMOS,
take out the CMOS battery and
short the Clear CMOS Pad.
33

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