Supermicro MicroBlade MBI-311C-1C2 Handleiding (98 Pagina's)

Handleiding

37

Chapter 3: Motherboard Connections

JBT1 contact pads

CMOS Clear Contacts

JBT1 is used to clear CMOS. Instead of pins, this jumper consists of contact pads. See the

CMOS Clear section for more information.

3.3 LED Indicators

BMC Heartbeat LED

LEDM1 is a BMC Heartbeat indicator. It blinks green when the BMC is working properly.

VGA Enable/Disable

Use jumper JPG1 to enable or disable the VGA port using the onboard graphics controller.

VGA Enable/Disable

Jumper Settings

Jumper Setting Denition

Pins 1-2 Enabled (Default)

Pins 2-3 Disabled

ME Manufacturing Mode

Close pins 2-3 of jumper JPME2 to bypass SPI ash security and force the system to operate

in the manufacturing mode, which will allow the user to ash the system rmware from a host

server for system setting modications.

Manufacturing Mode

Jumper Settings

Jumper Setting Denition

Pins 1-2 Normal (Default)

Pins 2-3 Manufacturing Mode

BMC Error LED

LED2 is the BMC error LED. When this LED is solid RED, the BMC detects a power or fan

failure. Refer to the table below for the LED status.

DDR5 PWRFAIL LED

LED3 is the DDR5 PWRFAIL LED. When this LED is solid red, a power failure is detected

in the DDR5 modules.

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