3 Tests and Diagnostics
3.9 Floppy Disk Test
3-24
Satellite A50/TECRA A2 Maintenance Manual (960-478)
Subtest 01
Sequential read
This subtest performs a Cyclic Redundancy Check (CRC) that continuously
reads all the tracks (track: 0 to 39/0 to 79) on a floppy disk.
The start track is specified at the start of the FDD test. Refer to 2 in this
chapter.
Subtest 02
Sequential read/write
This subtest continuously writes data pattern B5ADADh to all the tracks (track:
0 to 39/0 to 79) on a floppy disk. The data is then read and compared to the
original data.
Subtest 03
Random address/data
This subtest writes random data to random addresses on all tracks (track: 0 to
39/0 to 79) on a floppy disk. The data is then read and compared to the original
data.
Subtest 04
Write specified address
This subtest writes the data specified by an operator to a place pointed by
track, head, and address.
Subtest 05
Read specified address
This subtest reads data from a place pointed by track, head, and address
specified by an operator.
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 ...