| 33 || GPIO13 for power management <span style="color:red;">(For V1.3 and previous versions only)</span>
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| 31 || GPIO6 for AC power loss detection (Jumper for PLD jumper inserted, High=power Power loss,Low=Power supply normal)
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| 37 || GPIO26 for power management <span style="color:red;">(New add from V2.0)</span>