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Article #43213

Help with an MM/1 Extended

#43213
From: levinson
Date: Mon, 13 Dec 1993 05:19
38 lines
2373 bytes
I have recently aquired an MM/1 extended used and I have some questions about
it.

Firstly, I notice that on the Microware disks there arent any extra device
descriptors for /t2 and /t3.  Do I just modify /t4?  Is there a descriptor
package that can be acquired?

Secondly, is there a vendor of ROMS that can produce a ROM that bootstraps from
the SCSI?  It would be nice to boot from the hard disk instead of a floppy.

Thirdly, my system will not boot.  I recently installed a 5.25" disk drive and
something must have happend.  I removed the extended board and put my original
3.25" drive in and it still won't boot.  I hear the drive make a noise 3 times,
and then I get a Status Error #00F0 and then it resets.  I have tried other
boot diskettes, but to no avail.

Fourthly, I notice all the floppy descriptors have the sectors per track
setting set to 33.  Shouldn't this be 36?  If I remember correctly a 1.44MB
drive when used on a PC has 18 sectors per track at 512 bytes per sector.  On
an MM/1 it should be 36 spt at 256 bytes per sector.  This is also on the boot
and driver diskettes.

And lastly, I would like to know who holds the information on system
registration.  I would like to change the ownership from the person I bought it
from to me.

If anyone has any information concerning any above issue, please write me at

eric_levinson@rcisnet.org

or one of the addresses below:

Thanks!
--
Eric Levinson, CS Major, Senior, Sonoma State University
rcisnet2!root@moon.nbn.com | Home computer (UUCP)
levinson@vax.sonoma.edu    | Vax
BBS: Color Galaxy Milky Way +1 415 883-0696 (RCISNET.ORG)
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Subject: Help with an MM/1 Extended
Message-ID: <1993Dec12.211903.1@vax.sonoma.edu>
From: levinson@vax.sonoma.edu
Date: 12 Dec 93 21:19:03 -0800
Organization: Sonoma State University
Nntp-Posting-Host: vax.sonoma.edu
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