Microsoft KB Archive/73726

= Sperry 286 BIOS Versions Earlier Than 1.57 Need an Upgrade =

Article ID: 73726

Article Last Modified on 11/16/2006

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APPLIES TO


 * Microsoft MS-DOS 5.0 Standard Edition
 * Microsoft MS-DOS 5.0a
 * Microsoft MS-DOS 6.0 Standard Edition
 * Microsoft MS-DOS 6.2 Standard Edition
 * Microsoft MS-DOS 6.21 Standard Edition
 * Microsoft MS-DOS 6.22 Standard Edition

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This article was previously published under Q73726



SUMMARY
The Sperry PC computers may have a problem reading a 1.2 MB floppy disk under MS-DOS versions 5.0 and later if the BIOS version is earlier than 1.57. The common error message is:

Error: Parameter not compatible

Format terminated

To check the BIOS version on a Sperry model PC, type the following, pressing ENTER after each line:

DEBUG

D F000:8080

Q

This will display the version number.



MORE INFORMATION
To order new BIOS (1.58), contact Sperry at (800) 448-1424, 8:00 to 5:00 Eastern time.

The product included here is manufactured by vendors independent of Microsoft; we make no warranty, implied or otherwise, regarding this product's performance or reliability.

Additional query words: 6.22 5.00 5.00a 6.00 3rdparty

Keywords: KB73726

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