File No. 960-140
3-21
Subtest 01
Sequential read
This subtest performs a Cyclic Redundancy Check (CRC) that continuously
reads all the tracks on a floppy disk. The following tracks are read according to
the media type in the floppy disk drive:
Double-sided, double-density (2D): Tracks 0 to 39.
Double-sided, double-density, double-track (2DD) and double-
sided, high-density, double-track (2HD): Tracks 0 to 79.
The start track is specified when the FDD test is started from the Diagnostic
Test Menu. Refer to Step 3 at the beginning of this section to set the start
track.
Subtest 02
Sequential read/write
This subtest continuously writes data pattern B5ADADh to all the specified
tracks selected in subtest 01. 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 defined in
subtest 01. The data is then read and compared to the original data.
Subtest 04
Write Specified Address
This subtest writes specified data to a specified track, head, and address.
Subtest 05
Read Specified Address
This subtest reads data from a specified track, head, and address.
Summary of Contents for Libretto 100CT
Page 8: ...File No 960 140 Chapter 1 Hardware Overview ...
Page 9: ...File No 960 140 1 ii ...
Page 29: ...File No 960 140 1 18 ...
Page 30: ...File No 960 140 Chapter 2 Troubleshooting Procedures ...
Page 31: ...File No 960 140 2 ii ...
Page 36: ...File No 960 140 1 3 Figure 2 1 Troubleshooting flowchart 1 2 ...
Page 72: ...File No 960 140 Chapter 3 Tests and Diagnostics ...
Page 73: ...File No 960 140 3 ii ...
Page 147: ...File No 960 140 3 72 ...
Page 148: ...File No 960 140 Chapter 4 Replacement Procedures ...
Page 149: ...File No 960 140 4 ii ...
Page 161: ...File No 960 140 4 10 3 Seat the HDD cover and fasten it with two M2x14 silver screws ...
Page 189: ...File No 960 140 4 37 Figure 4 32 Removing the I O adapter board ...
Page 191: ...File No 960 140 Appendices ...
Page 192: ...File No 960 140 App ii ...
Page 202: ...File No 960 140 A 6 ...
Page 206: ...File No 960 140 B 4 ...
Page 234: ...File No 960 140 G 2 ...
Page 236: ...File No 960 140 H 2 ...