Path: utzoo!mnetor!tmsoft!torsqnt!news-server.csri.toronto.edu!cs.utexas.edu!wuarchive!uunet!mcsun!hp4nl!media01!mso
From: mso@media01.UUCP (Manfred Sonsma)
Newsgroups: comp.sys.ibm.pc.hardware
Subject: Re: lowlevel ide drive.
Summary: After low level format: still going fast.
Message-ID: <2034@media01.UUCP>
Date: 18 Feb 91 15:53:58 GMT
References: <1991Feb17.064952.14315@nntp-server.caltech.edu> <{-=&&D+@rpi.edu>
Organization: Mediasystemen, Netherlands
Lines: 47


> [deleted]  
> What sort of data transfer rate are you getting?  I mean, as tested by a
> program like CheckIt or something.
>

  I have 'low level' formatted my Quantum Prodrive 115AT several times with
  the FORMAT option of the AMI bios diagnostic menu and with Zenith's PREP
  utility. The AMI bios does a check for the best interleave factor by 
  checking the transfer rate for each factor starting with an interleave 1:1.
  The first time I run it selected 1:3. The second time it decided to use
  an interleave of 1:1. However the transfer rate did remain the same.
  About 759 Kb/s. 

  Tested with CORETEST I get the following transfer rates:

       801 Kb/Sec   with 64 Kb blocks
      1134 Kb/Sec   with 32 Kb blocks. ( The maximum  )

  Checkit returns a lower value:

       563 Kb/Sec   with 130 Kb blocks.

  [That's way I love CORETEST] 

  The problem is that I don't known the transfer rate before the format.
  
  Does anyone ???

  
  Furthermore, does any one know how to program the Quantum drive. I have 
  read somewhere that you can program the cache strategy used by the drive.
   

Manfred.

                                                                             
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