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Article #19889

Installing an HD 3.5 on an XT.

#19889
From: Larry Autry
Date: Mon, 11 Jan 1993 21:31
34 lines
1673 bytes
This install is not going well.  I have done the following:

1. Successfully installed the board; the system "sees" the controller.
    And the controller "sees" the drive.
    (Attempted the alternate ROM address on the board also.)
2. Installed the Toshiba drive and hoped that the factory chose the
    default settings for the jumpers appropriate for the XT.
3. Formatted 720K floppies successfully.

That's what occurred in evening one.

In evening two:

4. Added a config.sys entry for driveparms like:
      driveparm=/f:7 /d:0 # for MSDOS v5.0

5. Subsequently, I can no longer format 720K floppies, and
	apparently the controller does not "see" the drive  but
	I can't be sure.  If I back out the driveparm, the drive
	would be totally useless. 

All cables appear to be good and oriented correctly.
I suspect either a jumper on the drive or a configuration
line in the config.sys file.  I realize of course that an
HD floppy drive has to be "crowbarred" into an XT (almost).
I am now accepting suggestions as to what to else to look 
for.  If any more data is needed I will suppy it via e-mail.


Regards,
--
Larry Autry
Silicon Graphics, St. Louis
autry@sgi.com 
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From: autry@magellan.stlouis.sgi.com (Larry Autry)
Newsgroups: comp.sys.ibm.pc.hardware
Subject: Installing an HD 3.5 on an XT.
Message-ID: <1isouoINNbr9@fido.asd.sgi.com>
Date: 11 Jan 93 21:31:04 GMT
Organization: Silicon Graphics, St. Louis, MO
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NNTP-Posting-Host: magellan.stlouis.sgi.com