Toshiba M500 ST5405 - Satellite - Core 2 Duo 2.13 GHz Maintenance Manual page 54

2 Troubleshooting Procedures
S3V output
Error code
40h
45h
46h
E5V output
Error code
50h
51h
52h
54h
E3V output
Error code
60h
61h
62h
64h
1R5-E1V output
Error code
70h
71h
72h
74h
2-12 [CONFIDENTIAL]
S3V voltage is 3.47V or less when the computer is powered on/off.
S3V voltage is under 3.14V in normal conditions.
S3V voltage is under 3.14V when the computer is booting up.
E5V voltage is over 6.00V when the computer is powered on/off.
E5V voltage is under 4.50V when the computer is powered on.
E5V voltage is under 4.50V when the computer is booting up.
E5V voltage is under 4.50V when EV power is maintained.
E3V voltage is over 3.96V when the computer is powered on/off.
E3V voltage is under 2.81V when the computer is powered on.
E3V voltage is under 2.81V when the computer is booting up.
E3V voltage is under 2.81 V when EV power is maintained.
1R5-E1V voltage is over 1.80V when the computer is powered on/off.
1R5-E1V voltage is under 1.275V when the computer is powered on.
1R5-E1V voltage is under 1.275V when the computer is booting up.
1R5-E1V voltage is under 1.275V when EV power is maintained.
2.3 Power Supply Troubleshooting
Meaning
Meaning
Meaning
Meaning
PORTÉGÉ M500 Maintenance Manual (960-559)