[Color Computer][Coco] Tandy Hard Disk Controller
George's Coco Address
yahoo at dvdplayersonly.com
Sat Mar 4 17:31:46 EST 2006
Somewhere, I have a schematic of this interface. I looked for it yesterday
and couldn't find it in my "hobby room"
I may have it in storage (out back), or somewhere in the house I haven't
Quite a few years ago, I called RS in Austin and talked to someone in a
department(it's been a few years, OKAY?). He sent a fax of the diagram and
there it was.
I decided this SASI interface would not do for a Small Computer System
Interface(SCSI drive) and never wired one up. I purchased the Kenton and
haven't looked back.
Now I have two of the Kentons.
A SCSI system is supposed to allow more than one computer on a single
drive. I've been tempted to try this. I just never took the time to test the
OS-9 system to see if it would actually do this. The docs in OS-9 claim to
do a sharing thing when accessing/writing the same file/record from more
than one user.
Has anyone ever tested more than one coco on a SCSI drive at the same
----- Original Message -----
From: "Neil Morrison" <neilsmorr at hotpop.com>
To: "Coco on Yahoo" <colorcomputer at yahoogroups.com>
Sent: Saturday, March 04, 2006 2:16 PM
Subject: [Color Computer] Re: [Coco] Tandy Hard Disk Controller
> ----- Original Message -----
> From: "Peter Wemm" <peter at wemm.org>
>>> I'd like to get a schematic for it - never found one.
>> It wouldn't be hard. It is a PCB with just 3 or 4 74LS style chips on
>> it. I'll take a shot at it someday. It is a simple bus adapter.
> Even a list of the chips used would help!
> Brought to you by the 6809, the 6803 and their cousins!
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