Technical Reference
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2.4 Intel® Management Engine BIOS Extension (Intel®
MEBX) Reset Header
The Intel® MEBX reset header (see Figure 20) allows you to reset the Intel ME configuration to the
factory defaults. Momentarily shorting pins 1 and 2 with a jumper (not supplied) will accomplish
the following:
• Return all Intel ME parameters to their default values.
• Reset the Intel MEBX password to the default value (admin).
• Unconfigure Intel AMT.
CAUTION
Always turn off the power and unplug the power cord from the computer before installing an
MEBX reset jumper. The jumper must be removed before reapplying power. The system must be
allowed to reach end of POST before reset is complete. Otherwise, the board could be damaged.
NOTE
After using the MEBX Reset, a “CMOS battery failure” warning will occur during the next POST.
This is expected and does not indicate a component failure.
NOTE
The MEBX_RESET header has a non-conductive protective cap installed. This must be removed
before installing the MEBX_RESET jumper, and reinstalled before reassembling the system. Failure
to do so may result in inadvertent shorting of the bottom cover screw to the header during bottom
cover reassembly (see Figure 20).
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