On 31 Dec 2010 at 11:52, Eric Smith wrote:
The original WD1000 chipset (circa 1980) *was*
8X300-based, and was
used in the first WD1000 controller board as sold by WD. The 8X300
didn't "emulate" anything, as it was a new design. The WD1000-series
of bipolar MSI support chips did the MFM encode, decode, write
precomp, etc., and the 8X300 was the brains of the operation.
The juxtaposition of "brains" and "8x300" I must confess, is
something that I never thought I'd see...
--Chuck