On Sun, Apr 26, 2020 at 9:02 PM Brent Hilpert via cctalk <cctalk@classiccmp.org> wrote: > > On 2020-Apr-26, at 4:33 PM, Chris Zach via cctalk wrote: > > Latest pictures are at https://www.crystel.com/bob . > > https://www.crystel.com/bob/DSC_0255.JPG > > HP 9825 (the ochre keyboard) underneath the PCB.
That large beat up PCB looks like an RA82 Hybrid Board. http://www.bitsavers.org/pdf/dec/disc/ra82/MP01427_RA82_Jun86.pdf Page 82 of the PDF
