2.4 System Board Troubleshooting
2 Troubleshooting Procedures
QOSMIO F20 Maintenance Manual (960-526)
[CONFIDENTIAL]
2-31
Table 2-5 Debug port (Suspend mode) error status (3/3)
LED Status
Test item
Contents
(F13Ah)
Power LED control during suspending
Isolates built-in LAN
Makes the power of sound off
F13Bh
Model-unique processing just before
suspending
Waiting for completion of dividing for
suspending
Stops dividing of extension command
for power off
F13Ch
Measure for USB over current
Calculation of check sum of PnP RAM
area (Not work in suspending for boot)
Acquires how to turn the power off
Resets by EC (when required)
Makes not to send Eject Power Off
command when turn the power off by
the date check of alarm power on
Prohibition of all SMIs
Initializing of special register in
suspending
Calculates the check sum of SMRAM
and stores it in SMRAM
Calculates the checksum of system
BIOS in the IRT side ( Checksum does
not match during IRT)
Setting status of suspend completion
Prohibition of L1 & L2
F13Dh
Power off (Completion of BIOS
process)
Summary of Contents for QOSMIO F20 Series
Page 10: ...x CONFIDENTIAL QOSMIO F20 Maintenance Manual 960 526 ...
Page 11: ... CONFIDENTIAL Chapter 1 Hardware Overview ...
Page 47: ... CONFIDENTIAL Chapter 2 Troubleshooting Procedures ...
Page 48: ...2 Troubleshooting Procedures 2 ii CONFIDENTIAL QOSMIO F20 Maintenance Manual 960 526 2 ...
Page 52: ...2 Troubleshooting Procedures 2 vi CONFIDENTIAL QOSMIO F20 Maintenance Manual 960 526 ...
Page 111: ... CONFIDENTIAL Chapter 3 Tests and Diagnostics ...
Page 112: ...3 Tests and Diagnostics 3 ii CONFIDENTIAL QOSMIO F20 Maintenance Manual 960 526 ...
Page 117: ...3 Tests and Diagnostics QOSMIO F20 Maintenance Manual 960 526 CONFIDENTIAL 3 vii ...
Page 227: ...3 31 SETUP 3 Tests and Diagnostics QOSMIO F20 Maintenance Manual 960 526 CONFIDENTIAL 3 105 ...
Page 228: ... CONFIDENTIAL Chapter 4 Replacement Procedures ...
Page 229: ...4 Replacement Procedures 4 ii CONFIDENTIAL QOSMIO F20 Maintenance Manual 960 526 4 ...
Page 316: ... CONFIDENTIAL Appendices ...
Page 317: ...Appendices App ii CONFIDENTIAL QOSMIO F20 Maintenance Manual 960 526 ...
Page 322: ...Appendices QOSMIO F20 Maintenance Manual 960 526 CONFIDENTIAL App vii Table I 1 MTBF I 1 ...
Page 323: ...Appendices App viii CONFIDENTIAL QOSMIO F20 Maintenance Manual 960 526 ...
Page 337: ...Appendices Appendix B Board Layout B 8 CONFIDENTIAL QOSMIO F20 Maintenance Manual 960 526 ...
Page 373: ...Appendices Appendix C Pin Assignments C 36 CONFIDENTIAL QOSMIO F20 Maintenance Manual 960 526 ...
Page 383: ...Appendices Appendix E Key Layout E 2 CONFIDENTIAL QOSMIO F20 Maintenance Manual 960 526 ...
Page 385: ...Appendices Appendix F Wiring diagrams F 2 CONFIDENTIAL QOSMIO F20 Maintenance Manual 960 526 ...
Page 391: ...Appendices Appendix I Reliability I 2 CONFIDENTIAL QOSMIO F20 Maintenance Manual 960 526 ...