Path: utzoo!mnetor!tmsoft!masnet!canremote!jf.messier
From: jf.messier@canremote.uucp (JF MESSIER)
Newsgroups: comp.sys.ibm.pc
Subject: Re: Disk Driver Formatting in
Message-ID: <89090607413782@masnet.uucp>
Date: 3 Sep 89 15:26:00 GMT
Organization: Canada Remote Systems Limited, Mississauga, ON, Canada
Lines: 35

I also have a problem with the DOS 4.01 : I have installed it on my 
system because I just got a 400 MEGS CDC hard disk with ESDI disk 
controller. Since that, I have a problem reading my 3 1.2 diskettes. It 
seems to be a "classical" problem since it was covered in some 
conferences on FidoNet about a year ago. Here's the problem : 

    I have a 3.5 " disk drive that can read 720K and 1.44M diskettes. It
is installed as the drive A: on my system. When I start the system, the 
first diskette I read in this drive via aDIR command will have the 
proper directory, but any other diskette read later will give me the 
SAME directory as the first one, even if it's another. It seems that DOS
cannot re-read the FAT and DIR sectors. The diskettes I tried are both 
formatted in DOS 3.3 and DOS 4.01. The diskettes I tried are some master
diskettes from MicroSoft Quick Pascal and the master disks for DOS 4.01.
I canot believe that dos cannot read it's own diskettes. The only 
"patch" I found was using Pc-Tools to copy the files over a 1.2M floppy 
and use them, but it's a pain since all my data is on 3.5. Even with 
that, PC-Tools will tell me that no files are present on the DOS 
diskettes. I use PC-Tools version 5.1 which is compatible with DOS.

    The other problem is that the stupid DOS documentation for the
DRIVER.SYS is really short and does not tell anything about the 
parameters. Anyone has an idea about that problem ????????????

    BTW : Here's my system configuration : 

        Everex Step 386/16 running under IBM DOS 4.01 and using
        a CDC hard disk of 350MEGS (formatted), a 3.5" disk drive
        of 1.44M/720K as drive A: and a 1.2M disk drive as B:.
        I use 2M of memory and run all the time at 16 Mhz. Oh !
        I forgot to say that the HD and Controller are ESDI type.
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