Jumpers - Supermicro SuperServer SYS-511R-ML User Manual

4.4 Jumpers

Explanation of Jumpers
To modify the operation of the motherboard, jumpers are used to choose between optional
settings. Jumpers create shorts between two pins to change the function associated with it.
Pin 1 is identified with a square solder pad on the printed circuit board. See the motherboard
layout page for jumper locations.
Note: On a two-pin jumper, "Closed" means the jumper is on both pins and "Open" indicates
the jumper is either on only one pin or has been completely removed.
CMOS Clear
JBT1 is used to clear CMOS. See
ME Manufacturing Mode
Close pins 2–3 of jumper JPME2 to bypass SPI flash security and force the system to operate
in the manufacturing mode, which allows you to flash the system firmware from a host server
for system setting modifications.
VGA Enable/Disable
JPG1 allows you to enable or disable the VGA port using the onboard graphics controller.
3 2 1
Connector
Pins
Jumper
3 2 1
Setting
Section 7.7 for details.
ME Manufacturing Mode
Jumper Settings
Jumper Setting Definition
Pins 1–2 Normal (Default)
Pins 2–3 Manufacturing Mode
VGA Enable/Disable
Jumper Settings
Jumper Setting Definition
Pins 1–2 Enabled
Pins 2–3 Disabled
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Chapter 4: Motherboard Connections