Sharp PC7000A Service Manual page 56

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This task checks the sector buffer and the disk controller.
(2-9-2) Operational procedure
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Start of the test must be acknowledged.
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(a-2) Termination
The following displayed after successful t\,r1llina~+o~,of thl;! test •
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Controller 'OK
!!'
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- - - - - -
- -
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Above mes'sage" win be" d'isplayed,at·
following message will be appeared.
thi's 's tage [ESC] 'key is depressed, then-
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[~Rl, ~cTY c~Jf!"."E1 ,Fh~ ~Cl~t~;?f'f~l~,~t~f~~~ j~)he,PSK
'test menu (Fig.DSK-l).
If an error was met, it will
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be alerted with
"C'ompare"
err·ocr'
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n'Errc)f'
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instead of "OK
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(b-l) Sector buffer'
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i;sY!'hf.f~e~i;
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f?~p.~r~it~ jt;l'~.: ite~t; d~f~;7~;rH.~e~\~nd
read.
The test data of
first time, "55"
an incremental pattern of
''~O''
to
for the second time, and."AA" for
• 1 "; " 1 j 1" , ' ' - ' - ' " " ,I -
-".7
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"J; ,
"FF"
ar:e';bk~a
1
id~ "'th~;;
the third time.
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