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2.4 System Board Troubleshooting
2 Troubleshooting Procedures
Satellite A50/TECRA A2 Maintenance Manual (960-478)
2-27
Table 2-3 D port status (7/9)
D port status
Inspection items
Details
F10Eh
INIT_SYSTEM
(Initialization of system)
Storing CMOS error information in IRT_ERR_STS_BUF
Timer initialization start
Initializing an EC, and reading battery information
Updating system BIOS (Updating EDID of the LCD)
F10Fh
Initializing the display
Waiting for VGA chip initialization completion
F110h
Initializing VGA BIOS
F112h
Displaying a logo
Displaying a logo on the screen
F113h
SYS_MEM_CHACK
Checking conventional memory (Boot)
F114h
EXT_MEM_CHECK
Exception check in protect mode (Cold boot only)
F115h
INIT_SYS_MEM
Initializing conventional memory (Reboot)
(DPORT=F114H if an error
occurred during exception check
in protected mode)
F117h
CHK_DMA_PAGE
Check of DMA page Register (Cold boot only)
F118h
Checking a DMAC
Checking a DMAC (Boot)
F119h
Initialization of DMA
Initializing DMA (Cold boot only)
F11Ah
CHECK _PRT
Checking a printer port existence (for models supporting
PRT)
F11Bh
Checking SIO
Checking a SIO port (for models supporting SIO)
F11Ch
BOOT_PASSWORD
Check of password
Waiting for the end of the FDD initialization process (for
models supporting built-in FDD)
(In the case of “Reboot”)
Waiting for the end of the HDD initialization
Checking key input during IRT (Waiting for KBC
initialization completion
ATA priority Initialization
(In the case of “Boot”)
BM loading process (for models supporting fingerprint
certification function)
Initializing BM (for models supporting fingerprint
certification function)
Check of key input during IRT (waiting for KBC
initialization completion)
Input of password
BM open (for models supporting fingerprint
certification function)
F11Dh
Checking optional I/O ROM
Checking optional I/O ROM
Summary of Contents for Tecra A2 Series
Page 10: ...x Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Page 11: ...Chapter 1 Hardware Overview ...
Page 49: ...Chapter 2 Troubleshooting Procedures ...
Page 50: ...2 Troubleshooting Procedures 2 ii Satellite A50 TECRA A2 Maintenance Manual 960 478 2 ...
Page 54: ...2 Troubleshooting Procedures 2 vi Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Page 105: ...Chapter 3 Tests and Diagnostics ...
Page 106: ...3 Tests and Diagnostics 3 ii Satellite A50 TECRA A2 Maintenance Manual 960 478 3 ...
Page 197: ...Chapter 4 Replacement Procedures ...
Page 198: ...4 Replacement Procedures 4 ii Satellite A50 TECRA A2 Maintenance Manual 960 478 4 ...
Page 204: ...4 Replacement Procedures 4 viii Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Page 271: ...Appendices ...
Page 272: ...Appendices App ii Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Page 290: ...Appendices Apx B Board Layout B 6 Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Page 332: ...Appendices Apx E Key Layout E 2 Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Page 334: ...Appendices Apx F Wiring Diagrams F 2 Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Page 336: ...Appendices Apx G BIOS KBC EC Update G 2 Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Page 338: ...Appendices Apx H Reliability H 2 Satellite A50 TECRA A2 Maintenance Manual 960 478 ...