The TRS-80 Journey Continues

[Mike Loewen]

On Thu, 5 May 2022, Bill Gunshannon via cctalk wrote:

> Next step...
>
> Apparently mu original Tandon floppy has bought the farm.
> Does anyone know what the jumper setting are for a
> TEAC FD-55GFR-149 for the TRS-80 4P?
>
> I tried the usual (like for a DEC RX-33) but that didn't
> fly.  Every sector fails verify after a format.  I am sure
> it's a jumper thing.

    The FD-55GFR is a 1.2MB drive, double-sided. The Model 4P used 360K drives 
(possibly Teac FD-55A), single-sided as installed at the factory. Are you sure 
that's the model number that was in your 4P?


Mike Loewen				mloewen at cpumagic.scol.pa.us
Old Technology				http://q7.neurotica.com/Oldtech/