The Tandy 2000 external hard disk cable was a 50-pin header cable
that matched those from the Model 2/12/16/6000 series machines and
the Model 1/3/4 machines. Do not confuse the cables or compatible
drives with the (technically inferior) IBM st506 interfaces of the
time. External drives had a board that matched the Model 3/4 bus.
THAT was the controller -- board in the 2000 was a bus adapter
with some logic. A lot of wasted space on that board.
Back in those days I could low-level format a 15Mb drive with a
Z-80 on a TRS-80 Model 4 in about 20 minutes, as opposed to about
an hour and a half with an XT. Oh yeah, the Mod 4 had the OS and
utilities installed after that and the boot floppy set up, on the
IBM (or compatible) the "high-level" format and actual installation
of the operating system had yet to go.
Oh, the 2000 matched the performance of the Model 4, no surprise.
Don't get me wrong, I love the Tandy 2000 - better than the AT that
showed up a year later and killed it by introducing a "standard"
16-bit bus. It died because it was not "100% IBM compatible",
since the company had tried and succeeded at superiority, but
couldn't match the (at that time) magic name. And people wanted
100% IBM compatibility. Simply better wasn't good enough.
On Wed, 26 May 1999, Sipke de Wal wrote:
From interface
to drive, Because that might help me identify the drive
for you. I thin it could be
a ST506 or ST412 type interface with either
a MFM of RLL controllercard. ESDI could also be posible but they were
only used in high-end systems.
ST506 has 1 controller cable (34wire) and a data cable(20wire). ESDI to
but the controller would look very sophisticated.
Sipke de Wal
Arfon Gryffydd wrote:
The interface cable between the unit and the machine is a LARGE ribbon
cable haeder plug (like IDE connectors but much bigger). Or did you mean
the actual cable from the interface board to the drive itself?
Tell me some more on the type of cables that
(should) connect to it
Sipke de Wal
Arfon Gryffydd wrote:
>
> I snagged a Tandy 2000 30Mb harddrive this weekend!!! The actual drive is a
> Quantum Model (?)204(?). It is stinking huge (not mainframe huge but
> desktop huge)!
>
> Can anyone tell me about this drive? Is there an easy way to connect a
> newer HD to this machine?
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