2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting
2-14 [CONFIDENTIAL] PORTEGE A600 Maintenance Manual (960-710)
1R05-E1V output
Error code Meaning
A0h 1R05-E1V voltage is over 1.26V.
A1h 1R05-E1V voltage is under 0.89V when the computer is powered on.
A2h 1R05-E1V voltage is under 0.89V when the computer is booting up.
A4h 1R05-E1V voltage is under 0.89V when EV power is maintained.
1R5-E1V output
Error code Meaning
B0h 1R5-E1V voltage is over 1.80V.
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.
1R8-E1V output
Error code Meaning
C0h 1R8-E1V voltage is over 2.16V.
C1h 1R8-E1V voltage is under 1.53V when the computer is powered on.
C2h 1R8-E1V voltage is under 1.53V when the computer is booting up.
C4h 1R8-E1V voltage is under 1.53V when EV power is maintained.
1R8-E1V output
Error code Meaning
D0h 1R8-E1V voltage is over 2.16V.
D1h 1R8-E1V voltage is under 1.53V when the computer is powered on.
D2h 1R8-E1V voltage is under 1.53V when the computer is booting up.
D4h 1R8-E1V voltage is under 1.53V when EV power is maintained.
Miscellaneous
Error code Meaning
F0h The sub clock does not oscillate.