Sharp PC-1600

7. Test methods
As the 2.5" floppy disk drive used in the CE·1600F in-
corporates the floppy disk controller within the drive unit,
it operates as an external memory unit of the 1/0 space as
seen from the PC-1600.
The following five test items are tested.
1) Motor on/off
2) Head seek
3) Sector read/write
4) Sense media
5) Sense write protect
7-1. Test items
1) Detection of motor on action (ready check)
2) Read and verify of the data on the media
3) Write test data onto the media without write protect
4) Read and verify of the data on the media, again
5) Sense write protect
Test results are represented by the status register and 10CS
error code.
CHECK
01
CHECK
02
CHECK
03
CHECK
04
Error indication
Test flowchart
-102-
-
PC-l600
7-2. Items required
1) PC·1600
2) CE-1600P
3) CE·1600F
4) EA·l60
51 Test program stored media (UKOGC3018CSZZ)
6) Test media which has been prepared by the data write
program.
7) Printout paper
7-3. Preparing test media
The test media required for the test can be prepared in the
following way:
1) Install the PC-1600, CE-1600P, and CE-1600F (test
installation) with the EA·160 in connection.
2) Turn on the PC·1600 and insert the test program con-
tained media,
3) Type the command 'LOAD"X:WMEDIA'" and push
thelENTE Rlkey.
4) When the prompt symbol appears, remove the test
program stored disk and ensure that the machine is in
the RUN mode. Next, type the command 'R.(RUN)',
then push thelENTERlkey.
Step
Display message Note
RUN I ENTERI
**-INIT & DATA WRITE-**l
Set the blank
SET BLANK MEDIA
media
& HIT [ENTERl KEY!I
(CE-1650F).
Set the side A
of a blank disk
(CE-1650F).
!ENTER!
1 Set diskette for X: I
The green
MEDIA INTIALIZE NOWI!
accesslamp of
the CE-1600F
cornesactive
for 5 seconds.
!ENTERI I ***INIT & DATA WRITE-
u
I
The green LED
MEDIA INITIALIZE NOW
comes active
for 20 seconds.
Ir ***IN IT & DATA WRITE-** 1
The green LED
WRITE DATA NOWI!
comes active
for 3 seconds.
11 ***INIT & DATA WRITE-**l
The green LED
DATA READ NOW!I
comes active
for 7 seconds.
Ir ·-*INIT & DATA WRITE---
Format and
MEDIA INIT & DATA WRITE
data write are
OK!I
completed
(side Al.
L..-
5) If an error is encountered, check the display message for
an error indication.
6) Since the side B should be formatted onlv, set the media
in the RUN mode. Type the command 'INIT"X:''', then
push thelENTERlkey to format the media.
l) After successful termination, set the write protect tab
(side BI to the WP side.
81 The test media has been complete with the above
procedure.
7-4. Operational test procedure
1) Install the PC·1600, CE-1600P, and CE-1600F (test
installation) with the EA-160 in connection.
2) Turn on the PC-1600 and insert the test program con-