Microsoft KB Archive/61681

= Use of FASTOPEN and BASIC Application Causes &quot;Disk Full&quot; Error =

Article ID: 61681

Article Last Modified on 10/13/2003

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APPLIES TO


 * Microsoft MS-DOS 4.01 Standard Edition
 * Microsoft MS-DOS 5.0 Standard Edition

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This article was previously published under Q61681



SUMMARY
When FASTOPEN is loaded and the BASIC program listed below is executed, a &quot;Disk full&quot; 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 &quot;START&quot; and an &quot;END&quot; record within the file to write the records between &quot;START&quot; and &quot;END&quot;: OPEN &quot;TESTDAT&quot; FOR RANDOM AS #1 LEN = 1024 CLS PRINT &quot;************** Write into TESTDAT 1024 - Byte Records *********&quot; PRINT INPUT &quot;Start writing at record:&quot;; START INPUT &quot;Stop writing at record :&quot;; FINAL FIELD #1, 1024 AS A$ LSET A$ = STRING$(1024, &quot;H&quot;) FOR I = START TO FINAL PUT 1, 65539 PUT 1, I       LOCATE 10, 10 PRINT I       IF INKEY$ = 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

Keywords: KB61681

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