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Chapter 4: Motherboard Connections
ME Manufacturing Mode
Close the pins 2-3 of jumper JPME2 to bypass SPI flash security and for the system to
operate in the manufacturing mode, which will allow the user to flash system firmware from
a host server for system setting modifications. Refer to the table below for jumper settings.
The default setting is normal.
Manufacturing Mode
Jumper Settings
Jumper Setting
Definition
Pins 1-2
Normal
Pins 2-3
Manufacturing Mode
4.5 LED Indicators
LAN LEDs
Two LAN ports (LAN1 and LAN2) are located on the I/O back panel of the motherboard.
Each Ethernet LAN port has two LEDs. The green LED indicates activity, while the other
Link LED may be green, amber, or off to indicate the speed of the connection. Refer to the
tables below for more information.
LAN1/2 Activity LED (Right)
LED State
Color
Status
Definition
Green
Flashing
Active
UID LED
LED Indicator
LED Color
Definition
Blue: On
Unit Identified
Unit ID LED
A rear UID LED indicator (UID-LED) is located near the UID switch on the I/O back panel.
This UID indicator provides easy identification of a system unit that may need service.
