P112 Floppy Controller

Chuck Guzis cclist at sydex.com
Sun Apr 24 01:29:13 CDT 2022


On 4/23/22 13:12, Fred Cisin via cctalk wrote:
> On Sat, 23 Apr 2022, Craig Ruff via cctech wrote:
>> The P112's floppy controller is the one in the SMSC FDC37C665IR
>> SuperIO chip. The data sheet states it is a 2.88 MB "Licensed CMOS
>> 765B Floppy Disk Controller" and claims 100% IBM compatibility (for
>> what that's worth).
> 
> 2.8M (it is not "2.88" unless MB is 1024,000) means that it includes a
> 1000K data transfer rate
> 
> 765B means essentially the same FDC as PC (NEC 765 based)
> 

I think I've got the SMSC Super I/O in one of my systems.   Recollection
is that it does FM just fine.



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