QBUS boards on eBay checp

Al Kossow aek at bitsavers.org
Fri Aug 14 13:56:04 CDT 2015

On 8/14/15 11:28 AM, Brent Hilpert wrote:
> On 2015-Aug-14, at 11:24 AM, Brent Hilpert wrote:
>> 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.
> Would have been fun to reverse engineer and write a driver if there's no board doc/software available, regardless.
> The chip docs should be available at least.

The docs should be on bitsavers.

More information about the cctech mailing list