Date : Wed, 18 Apr 1990 09:21:02 edt
From : <DAN@BSN.MCEO.DG.COM>
Subject: Osborne/QX-10/High-Density Drives
CEO file contents:
I have been reading this message board for some time, and a few
questions have come up that I hope someone may be able to help me on.
1. I recently got an Osborne 1 (in the Blue Case), but I hardly have
any technical information on it. Is there someone that can help me
get copies of the schematics, BIOS and PROM listings, and a technical
manual (if one was ever created). I am trying to get any information
on all the ports that I can get. I also have their modem which
connected to the special modem port and fit in the disk slot, and
would like information on that (I have the docs, I need technical
information).
2. I also have an Epson QX-10 with a Comfiler 10meg hard drive. Does
anybody have any technical information on that, and more importantly,
has anyone tried using that controller to control larger or a second
hard drive?
3. I have been reading all the discussions about hooking modern IBM
drives (both 5.25" and 3.5" disk drives) to old CP/M machines. The
Osborne 1 I recently got has a faulty B: drive, but A: works fine. I
was wondering if I could replace this with a high-density drive. The
advantage to this is that all the IBMs that I work with have the
high-density drives and I have programs that write Osborne (and QX-10)
format, but since I am using a high-density drive, the Osborne (and
the QX-10) cannot read them. I would also then like to change the
BIOS so that it could write an IBM compatible format.
4. I would also like to try and hook up a 5.25" disk drive to the
QX-10, but as a 3rd floppy. I know from the European version of the
machine that the controller can handle up to 4 drives. How difficult
would hooking up a 3.5" disk drive over the 5.25" drive (and would it
be able to read write without BIOS changes, even though it would not
use it full capacity).
Thanks in advance for any help that you can give me.
dan_zehme@bsn.ceo.dg.com
dan_zehme%bsn.ceo.dg.com@relay.cs.net