Supermicro SuperServer 5019A-12TN4 - LED Indicators

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Chapter 4: Motherboard Connections
SMBus to PCI Slots
Jumpers JI
2
C1 and JI
2
C2 allow you to connect the System Management Bus (I
2
C) to the
PCI-E/PCI slots. Both jumpers must be set to the same setting (JI
2
C1 controls the clock and
JI
2
C2 controls the data). The default setting is set to pins 2-3 (Disabled).
SMBus to PCI Slots
Jumper Settings
JI
2
C1 Setting JI
2
C2 Setting Denition
JI2C1: Pins 1-2 JI2C2: Pins 1-2 Enabled
JI2C1: Pins 2-3 JI2C2: Pins 2-3 Disabled
Manufacturing Mode Select
Close JPME2 to bypass SPI ash security and force the system to use the Manufacturing
Mode, which will allow you to ash the system rmware from a host server to modify system
settings. Refer to the table below for jumper settings.
Manufacturing Mode
Jumper Settings
Jumper Setting Denition
Pins 1-2 Normal (Default)
Pins 2-3 Manufacturing Mode
4.5 LED Indicators
LAN LEDs
Each Ethernet port on the I/O back panel has two LEDs. One LED indicates activity when
ashing while the other LED may be green, amber or o󰀨 to indicate the speed of the
connection.
LAN1~4 LED
(Connection Speed
Indicator)
LED Color Denition
O󰀨 10 Mb/s
Green 100 Mb/s
Amber 1 Gb/s
BMC Heartbeat LED
LEDM1 is the BMC heartbeat LED. When the LED is blinking green, BMC is functioning
normally. Refer to the table below for the LED status.
Onboard Power LED Indicator
LED Color Denition
Blinking
Green
BMC Normal