Toshiba PORTEGE M300 Maintenance Manual page 62

2 Troubleshooting Procedures
? E5V output (P65)
Error code
90h E5V voltage is over 6.00V when the computer is powered on/off.
91h E5V voltage is 4.50 V or less when the computer is powered on.
92h E5V voltage is 4.50 V or less when the computer is booting up.
93h E5V voltage is 4.50 V or over when the computer is powered off.
94h E5V voltage is 4.50 V or less when the computer is suspended.
? E3V output (P66)
Error code
A0h E3V voltage is over 3.96 V when the computer is powered on/off.
A1h E3V voltage is 2.81 V or less when the computer is powered on.
A2h E3V voltage is 2 .81 V or less when the computer is booting up.
A3h E3V voltage is 2.81 V or over when the computer is powered off.
A4h E3V voltage is 2.81 V or less when the computer is suspended.
? PPV output (P63:CH1)
Error code
B0h PPV voltage is over 1.80 V when the computer is powered on/off.
B1h PPV voltage is 0.56 V or less when the computer is powered on.
B2h PPV voltage is 0.56 V or less when the computer is booting up.
B3h PPV voltage is 0.56 V or over when the computer is powered off.
? 1R35-P1V output (P73)
Error code
C0h 1R35-P1V voltage is over 1.62V when the computer is powered on/off.
C1h 1R35-P1V voltage is 0.68 V or less when the computer is powered on.
C2h 1R35-P1V voltage is 0.68 V or less when the computer is booting up.
C3h 1R35-P1V voltage is 0.68 V or over when the computer is powered off.
C4h 1R35-P1V voltage is 0.68 V or less when the computer is suspended.
PORTEGE M300 Maintenance Manual (960-504)
2.3 Power Supply Troubleshooting
Meaning
Meaning
Meaning
Meaning
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