QBUS boards on eBay checp

[Brent Hilpert]

On 2015-Aug-14, at 11:04 AM, Al Kossow wrote:
> On 8/14/15 10:45 AM, Brent Hilpert wrote:
> 
>> I was investigating - wondering whether it was plug-and-play to emulate a floppy interface
> 
> Not enough logic on there to do that. It would have been a parallel interface to the bubble microcontroller

OK, was wondering along those lines, had found the big chip - the D7220 - mentioned as a controller in intel bubble doc but didn't know what sort of interface it presented.