Looking for IBM PC/XT/AT technical references

[Scott Stevens]

On Mon, 12 Sep 2005 22:54:31 -0400
"Charles H. Dickman" <chd_1 at nktelco.net> wrote:

> Joe R. wrote:
> 
> >However I did find three IBM marked FH Tandon TM-100  5 1/4" disk
> >drives last week :-)
> >  
> >
> Are those special? I think my TRS-80 Model III has two of them.  I 
> scrounged them about 20 years ago...  They were double sided after
> all.
> 
> >   Joe
> >  
> >
> -chuck
> 
Back then I had to upgrade my dad's PC-1 to double sided so he could run
DOS 2.1.

He ordered his with 256K so he was ready for any eventuality, he
thought.  Also then later had to add a Boca RAM board.