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Path: utzoo!watmath!clyde!cbosgd!ihnp4!houxm!vax135!cornell!uw-beaver!tektronix!hplabs!hp-pcd!john
From: john@hp-pcd.UUCP (john)
Newsgroups: net.micro
Subject: Re: Tandy-2000 (Disk problems + comments
Message-ID: <6200062@hp-pcd.UUCP>
Date: Tue, 24-Sep-85 13:08:00 EDT
Article-I.D.: hp-pcd.6200062
Posted: Tue Sep 24 13:08:00 1985
Date-Received: Sat, 28-Sep-85 07:23:50 EDT
References: <1963@hcrvax.UUCP>
Organization: Hewlett-Packard - Corvallis, OR
Lines: 28
Nf-ID: #R:hcrvax:-196300:hp-pcd:6200062:000:934
Nf-From: hp-pcd!john    Sep 24 09:08:00 1985

<<<<
<
<	      I  am  just fishing to see if anyone else with a Tandy 2000
<	has  been  experiencing  problems with disk errors when the disks
<	are  nearly  full.  I  have this problem when either of my drives
<	contain  more  than  about  640K  of data. I have had both drives
<	replaced  but the problem persists. Is this a problem anyone else
<	has  experienced  with these high density drives? Or, is it a bug
<	in the device driver for the drives (anyone at Microsoft or Tandy
<	know?) 
<	

> Possible problem

   One characteristic of normal constant rpm drives is that the head/media
velocity is fastest on the outside tracks and slowest on the inside tracks.
This means that the chances of having a read error increase as you move in
to the disk. Most OS's start filling a disk at the outside and work in so
you never use the slower inside tracks unless you put a lot of data on a
disk.


John Eaton
!hplabs!hp-pcd!john



 


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