TYAN S7050 - 3 PHD_8: BIOS Overwrite Jumper; 3 PHD_10: DIMM 1.5 V;1.35 V Jumper; 4 PHD_11: MB Buzzer Disable Jumper

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3PHD_8: BIOS Overwrite Jumper
Pin 1 2 3
Signal
NC MFG_MODE_N GND
NOTE： 1-2: Normal (Default) 2-3: ME Block can be flash)
3PHD_10: DIMM 1.5V/1.35V Jumper
Pin 1 2 3
Signal
NC PCH_MEM_P1_35V_EN_N GND
NOTE： 1-2: 1.5V (Default) 2-3: 1.35V
4PHD_11: MB Buzzer Disable Jumper
Pin 1 2 3 4
Signal
VCC5 NC BUZ_1 BUZ_2
NOTE： 1-4: Use the external speaker
2-3: Disable PC Beep
3-4: Normal Mode (Default)