Toshiba PORTEGE M400 Maintenance Manual page 59
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Also See for PORTEGE M400:
- Maintenance manual (426 pages) ,
- User manual (317 pages) ,
- Brochure & specs (2 pages)
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2.3 Power Supply Troubleshooting
PORTEGE M400 Maintenance Manual (960-541)
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E5V output (P61)
Error code
Meaning
50h
E5V voltage is over 6.00V.
51h
E5V voltage is 4.50V or less when the computer is powered on.
52h
E5V voltage is 4.50V or less at booting up.
54h
E5V voltage is 4.50V or less when EV power is maintained and
"OUTV1 power = EV power" is specified.
E3V output (P62)
Error code
Meaning
60h
E3V voltage is over 3.96V.
61h
E3V voltage is 2.81V or less when the computer is powered on.
62h
E3V voltage is 2.81V or less at booting up.
64h
E3V voltage is 2.81V or less when EV power is maintained and
"OUTV2 power = EV power" is specified.
1R5-E1V output (P63_CH0)
Error code
Meaning
70h
1R5-E1V voltage is over 1.80V.
71h
1R5-E1V voltage is 1.275V or less when the computer is powered on.
72h
1R5-E1V voltage is 1.275V or less at booting up.
1R8-B1V output (P64_CH0)
Error code
Meaning
80h
1R8-B1V voltage is over 2.16V.
81h
1R8-B1V voltage is 1.53V or less when the computer is powered on.
82h
1R8-B1V voltage is 1.53V or less at booting up.
84h
1R8-B1V voltage is 1.53V or less when BV power is maintained and
"OUTV4 power = BV power" is specified.
2 Troubleshooting
[CONFIDENTIAL]
2-11
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