SHARP UPX500
Service Manual

(2) Target Sector Read Test [Test condition setting] � Test area setting

4-2-5. Test Display
(1) Floppy Disk Test menu display
Floppy Disk Drive Diagnostics

Cylinder Head Sector

: The cylinder number to be checked is set in the range of 000 79. : The head number to be checked is set in the range of 00 1. : The sector number to be checked is set in the range of 000 18 (9).

Sequential read only test Target Sector read test Sequential write/read & Compare test Target sector write/read & Compare test Error table display

� Retry number setting (0 ~ 4) The retry number in case of an error is set. � Error Stop/Continue/1 pass In case of an error, selection is made whether interrupt is made or not. Also used to select whether the test is executed or not by 1 pass. [Test contents] The sequential read test for every one track is executed in the range set as above. Completion of the read test in the set range is counted as 1 pass. The operation of this test is as shown below:
Sequential read only test

:FMove

ENTER:Select

ESC:Exit

On the above menu, use [ 2 ] and [ 4 ] keys to select a test item. Press [ENTER] key to execute the test. When [ESC] key is pressed, the display returns to the initial menu. (2) Sequential read only test execution display

Re-calibration

Seek to the track to be tested

Lead test

becoming

Drive_A(1.44MB)test ? [ Yes No] Cylinder scope ?

Error Kinds Bad command

Drive_A xxxxx xxxxx

These procedures are repeated.
(3) Sequential Write/Read & Compare Test [Test condition setting] Similar to the above (2). However, the cylinder set range is 01 0 79. [Test contents] The worst pattern data are written into each track in all the set range. Then perform the read/verify check. When the write/read test in the set range in the direction of 0 0 79 cylinder is completed, it is considered as 1 pass. The operation of this test is as shown below:

Drive_A [00 Sector count ?

79] 00 - 79 Bad Address Mark

Drive_A [1,3,9] = 9 Retry Count ? [0 Error stop ? 4] = 0 Recalibrate error Test mode : Read xxxxx Test drive : Drive_A

[error stop continue 1 pass] Test Start [ Yes No] Pass count = xxxxx Test Point=CC,H,SS (Cylinder, head, celector) TIME HH:MM:SS (hour : minute : sound) ESC:Exit

Error details content

SPACE:Stop or Start

Write to all the Re-calibration set range.

Read/verify test in all the set rage

becoming

Select an item in each position indicated with " " (In the above display, the item surrounded by a is selected and the value surrounded by a is selected.) When, in the above display, "Pass count" is counted up (when the test point is counted from 00.0.01 to 79.1.10, Pass count is counted up by 1) and all the error counters of all the error kinds are not counted up (remaining at 00000), the test is OK. During execution of the test, when [SPACE] key is pressed, the test is interrupted. During interruption of the test, when [SPACE] key is pressed, the test is resumed. During execution or interruption of the test, when [ESC] key is pressed, the display returns to the menu of (1).

These procedures are repeated.
When writing data, write different data from those originally stored. (Worst pattern data) Word data: There are two kinds of data: B6DBh, 6DB6h. (4) Target Sector Write/Read-Compare Test [Test condition setting] Similar to the above (2). However, setting of the retry number is omitted. [Test contents] The write/read test in the set range is executed. When the write/read test in the set range is completed, it is considered as 1 pass. The operation of this test is as shown below:

Re-calibration

Seek to the track to be tested

Date write

Read/ becoming verify

These procedures are repeated.
(5) Error table display The error contents generated in procedures (1) ~ (4) are displayed for each test item. The display items are test item, test condition, drive, cylinder, head, sector, error contents, and hour/minute/second. The maximum number of display items is 50 for each test.
UP-X500U DIagnostics Specifications

4�3