Microsoft KB Archive/156495

Encarta 1997 Deluxe: Testing for Drive Capacity

PSS ID Number: Q156495 Article last modified on 11-13-1996

1997

Windows

= SUMMARY =

Because of physical read limitations, some CD-ROM drives cannot access some files and folders on the Encarta compact disc. This article lists those files and folders and discusses a method to test your CD-ROM drive.

= Disc 1 =

The following are the final three directories on Disc 1 of the Encarta 1997 Deluxe CD. These are the outermost tracks on the disc.

d:-644 MB d:-642 MB d:-639 MB

To test for specific drive capacity limitations, try to access the following files located in the outermost megabytes of the Encarta disc:

d:.dib 640 MB d:.avi 620 MB d:.avi 605 MB d:.avi 580 MB

The Encarta compact disk contains 644 MB of data. The final file on the disc is d:.wav.

= Disc 2 =

The following are the final three directories on Disc 2 of the Encarta 1997 Deluxe compact disc. These are the outermost tracks on the disc.

d:-642 MB d:-639 MB d: 1-637 MB

To test for specific drive capacity limitations, try to access the following files located in the outermost megabytes of the Encarta CD:

d:.mid 640 MB d:.m20 488-632 MB

The file picon.m20 is 144 MB. This file should only be tested by copying to the nul port. Use the following command at the MS-DOS prompt:

copy d:.m20 nul (where d is the letter of your CD-ROM drive)

The Encarta compact disk contains 642 MB of data. The final file on the CD-ROM is d:053339a.mid.

= MORE INFORMATION =

To test drive capacity limitations, you should copy the file to the hard drive and perform a file comparison as specified in the following article in the Microsoft Knowledge Base:

ARTICLE ID: Q94653 TITLE : Using FC.EXE to Verify CD-ROM File System Drivers

KBCategory: kbsetup kbenv kbmm kbhw kbtshoot kbprb KBSubcategory:

Additional reference words: 1.0 multi media multimedia multi-media mmtitles kbmm compact disc disk cd

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================================================================ Copyright Microsoft Corporation 1996.