Will Stephenson <[log in to unmask]> wrote:
> Hello!
>
> I have a client who recently purchased a P2-400 Dell (running NT 4 w/SP 4
> workstation) with 128 ECC RAM, an 8G harddrive,  and an internal (IDE) Zip
> 250 MB drive for use as a file server for a Foxpro application.
>
> When writing to a 100MB Zip disk, 100 MB of data takes around 9 minutes.
> When writing to a 250 MB disk, the same amount of data takes about 90
> seconds. Has anyone one on the list seen or heard of a similar situation ?
> Or would anyone have an idea why ?

From the Iomega FAQ are http://www.iomega.com/support/documents/30050.html..

What is the Zip 250 Performance when writing to Zip 100 Media?

      When writing to a Zip 100MB Media disk using a Zip 250 drive, the
performance is noticeably slower
      than when writing to a Zip 250MB media.

How much slower is the drive?

      The Zip 250 parallel port drive and SCSI drive are approximately 60%
slower writing to a 100MB disk
      on the 250MB drive then it is to write to a 250MB disk in a 250 drive. See
the specifications below:

      Parallel Port Interface.

            .3MB/sec read on a 100MB disk
            .14MB /sec write on a 100MB disk
            .3MB /sec read on a 250MB disk
            .3MB /sec read on a 250MB disk

      SCSI.

            1.7MB /sec read on a 100MB disk
            .2MB /sec write on a 100MB disk
            1.7MB /sec read on a 250MB disk
            1.7MB /sec write on a 250MB disk

As you can see, writing to a 100MB disk is about 8 times slower.


--
Russ Poffenberger               Engineering Specialist
Schlumberger Technologies ATE   DOMAIN: [log in to unmask]
1601 Technology Drive
San Jose, Ca. 95110             Voice: (408)437-5254  FAX: (408)437-5246

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