Asus Pro WS 621-64L SAGE Series Manual page 27

6. PCH_MFG1 jumper
The PCH_MFG1 jumper allows you to update the BIOS ME block.
7. IPMI SW jumper (Pro WS C621-64L SAGE/10G only)
The IPMI SW jumper allows you to select which protocol in the GPU sensor to
function.
ASUS Pro WS C621-64L SAGE Series
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