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Q61681: Use of FASTOPEN and BASIC Application Causes "Disk Full" Error

Article: Q61681
Product(s): Microsoft Disk Operating System
Version(s): MS-DOS:4.01,5.0
Operating System(s): 
Keyword(s): 
Last Modified: 22-NOV-1999

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The information in this article applies to:

- Microsoft MS-DOS operating system versions 4.01, 5.0 
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SUMMARY
=======

When FASTOPEN is loaded and the BASIC program listed below is executed, a "Disk
full" error occurs. When FASTOPEN is not loaded, this error does not occur.

The following BASIC program creates a random file with a size of 64 MB, and then
asks for a "START" and an "END" record within the file to write the records
between "START" and "END":

  OPEN "TESTDAT" FOR RANDOM AS #1 LEN = 1024
  CLS
  PRINT "************** Write into TESTDAT 1024 - Byte Records *********"
  PRINT
  INPUT "Start writing at record:"; START
  INPUT "Stop writing at record :"; FINAL
  FIELD #1, 1024 AS A$
  LSET A$ = STRING$(1024, "H")
  FOR I = START TO FINAL
          PUT 1, 65539
          PUT 1, I
          LOCATE 10, 10
          PRINT I
          IF INKEY$ = CHR$(27) THEN EXIT FOR
  NEXT I
  CLOSE
  END

Microsoft has confirmed this to be a problem in MS-DOS versions 4.01 and 5.0. We
are researching this problem and will post new information here as it becomes
available.

Additional query words: 4.01 noupd

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Keywords          :  
Technology        : kbMSDOSSearch kbMSDOS500 kbMSDOS401
Version           : MS-DOS:4.01,5.0

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