24 May
2023
24 May
'23
9:54 a.m.
On 2023-05-24 05:26, Tony Duell via cctalk wrote:
On Wed, May 17, 2023 at 5:29 AM Fred Cisin via cctalk
<cctalk(a)classiccmp.org> wrote:
Some of the USB<->Floppy drives used the SMSC USB97CFDC like chips.
Which basically was an 8051, USB and a 765 FDC in a chip ...
Last time that I tried to research it, I found
that there had once been an
external drive in which the USB and controller werenot integrated with the
Alas
some spoilsport has removed the numbers from them. One (14 pins)
is probably a TTL buffer to drive the disk drive signals. The other
(still an SMD dual-in-line package but closer pin pitch than the SOIC
of the other chip) is presumably a USB floppy controller. When I have
time I'll probe things and see if I can figure it out.