Toshiba T6400, Maintenance Manual

Page: 76 / 198

3-22
3.8 Floppy Disk Test
CAUTION: Before running the Floppy Disk Test, prepare a formatted work disk. Remove
the Diagnostic Disk and insert the work disk into the FDD. The contents of the floppy disk
will be erased.
To execute the Floppy Disk Test, type 5 from the DIAGNOSTIC TEST MENU, press Enter , and
follow the directions displayed on the screen. The Floppy Disk Test contains five subtests that test
the T6400’s internal floppy disk drive. The following messages will appear after selecting the
Floppy Disk Test from the DIAGNOSTIC TEST MENU. Answer each of the following questions
with an appropriate response to execute the test.
1. Select the drive number of the floppy disk drive to be tested and press
Enter
.
Test drive number select (1:FDD#1,2:FDD#2,0:FDD1&2) ?
2. Select the media type of the floppy disk in the drive to be tested and press
Enter
.
Media in drive#x mode (0:2DD,1:2D,2:2D-2HD/2DD,3:2HD) ?
3. Select the track you want the test to start on and press
Enter
. Simply pressing
Enter
sets
the start track at zero.
Test start track (Enter:0/dd:00-79) ?
4. The FLOPPY DISK TEST menu will appear after you select the start track number. Select
the number of the subtest you want to execute and press
Enter . The following message
will appear during each subtest.
FLOPPY DISK xxxxxxx
SUB-TEST : xx
PASS COUNT: xxxxx ERROR COUNT: xxxxx
WRITE DATA: xx READ DATA : xx
ADDRESS : xxxxx STATUS : xxx
The first three digits in the
ADDRESS
number indicate which cylinder is being tested. The
fourth digit indicates the head, and the last two digits indicate the sector being tested.
The first digit in the
STATUS
number indicates the drive being tested and the last two
digits indicate the error code as explained in Table 3-3.