Asus Z9PE-D16-10G/DUAL - Manual (Page 49)

Z9PE-D16-10G Series 2-29
4. PMBus 1.2 PSU select jumper (3-pin SMART_PSU1)
This jumper allows you to select PSU PMBus version, Set to pins 1-2 for PMBus, set
to pins 2-3 for Others.
5. ME firmware force recovery setting (3-pin ME_RCVR1)
This jumper allows you to force Intel Management Engine (ME) boot from recovery
mode when ME become corrupted.