On 19 Mar 2012 at 20:29, Tony Duell wrote:
Which was the cause of a bug in the RS232 driver of
the original IBM
5150 BIOS... However, I as going to be more charitable in the case of
the FDC chip and wonder if it was duw to the fact that IIRC the
origianl IBM 3740 format used a sector as the equivalent of a punched
card, so only the first 80 chracters were used.
Your charity might be misplaced. The 765 works just fine with 128
byte sectors in FM mode.
--Chuck