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2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures
1R25-B1V output
Error code Meaning
C0h 1R25-B1V voltage is over 1.50 V, when the computer is powered
on/off.
C1h 1R25-B1V voltage is 1.063 V or under, when the computer is powered
on.
C2h 1R25-B1V voltage is 1.063 V or under, when the computer is booting
up.
C3h 1R25-B1V voltage is 1.063 V or over, when the computer is powered
off.
C4h 1R25-B1V voltage is 1.063 V or under when the computer is
suspended.
1R25-B1V output
Error code Meaning
D0h 1R25-B1V voltage is over 1.50 V, when the computer is powered
on/off.
D1h 1R25-B1V voltage is 1.063 V or under, when the computer is powered
on.
D2h 1R25-B1V voltage is 1.063 V or under, when the computer is booting
up.
D3h 1R25-B1V voltage is 1.063 V or over, when the computer is powered
off.
D4h 1R25-B1V voltage is 1.063 V or under when the computer is
suspended.
2R5-B2V output
Error code Meaning
E0h 2R5-B2V voltage is over 3.00 V, when the computer is powered on/off.
E1h 2R5-B2V voltage is 2.125 V or under, when the computer is powered
on.
E2h 2R5-B2V voltage is 2.125 V or under, when the computer is booting
up.
E3h 2R5-B2V voltage is 2.125 V or over, when the computer is powered
off.
E4h 2R5-B2V voltage is 2.125 V or under when the computer is
suspended.
Satellite A40 Maintenance Manual (960-458) 2-13