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2 Troubleshooting Procedures
PORTEGE M700/M750 Maintenance Manual (960-661) [CONFIDENTIAL] 2-11
PPV output
Error code Meaning
90h PPV voltage is over 1.80V when the computer is powered on/off.
91h PPV voltage is under 0.32V when the computer is powered on.
92h PPV voltage is under 0.32V when the computer is booting up.
1R05-P1V output
Error code Meaning
A0h 1R05-P1V voltage is over 1.26V when the computer is powered on/off.
A1h 1R05-P1V voltage is under 0.89V when the computer is powered on.
A2h 1R05-P1V voltage is under 0.89V when the computer is booting up.
1R5-E1V output
Error code Meaning
B0h 1R5-E1V voltage is over 1.80V when the computer is powered on/off.
B1h 1R5-E1V voltage is under 1.275V when the computer is powered on.
B2h 1R5-E1V voltage is under 1.275V when the computer is booting up.
B4h 1R5-E1V voltage is under 1.275V when EV power is maintained and
OUTV7=EV is designated.
1R8-B1V output
Error code Meaning
C0h 1R8-B1V voltage is over 2.16V when the computer is powered on/off.
C1h 1R8-B1V voltage is under 1.53V when the computer is powered on.
C2h 1R8-B1V voltage is under 1.53V when the computer is booting up.
C4h 1R8-B1V voltage is under 1.53V when BV power is maintained and
OUTV8=BV is designated.
PPV output
Error code Meaning
D0h PPV voltage is over 1.80V when the computer is powered on/off.
D1h PPV voltage is under 0.32V when the computer is powered on.
D2h PPV voltage is under 0.32V when the computer is booting up.