There are guides online, the differences are documented, I believe you can tell from the outside. Bezel color is not always a 100% indicator.
Floppies are at least easy for them! If no one else can do it, ping me and I can run off a set. Thanks, Jonathan ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ On Wednesday, August 11th, 2021 at 10:37, Tom Uban via cctalk <cctalk@classiccmp.org> wrote: > I have a Xerox 820. I don't know how to tell if it is a -II or not. It is > marked as U05-013264 > > September 1984. It powers on and boots the monitor. Looking at the PROMs, > they are labeled: > > U33 5.0, U34 5.0, U35 5.0, U36 5.0, U37 4.01, U38 4.01 > > At some point, I need to ask someone to make me bootable 8" floppies, but I > suppose I need to > > determine if it is 820 or 820-II first... > > At least some of the ROMs appear to be available here (along with other info): > > http://bitsavers.org/pdf/xerox/820-II/firmware/ > > --tom > > On 8/11/21 9:04 AM, Mark G Thomas via cctalk wrote: > > > Hi, > > > > I'm not prepared to lay out $200 for these Xerox ROMs, but if I do manage > > > > to get them, I'll read and share them. I did not know there were 5.0 ROMs > > > > for the 820-II, but it appears there were, and they are included. > > > > https://www.ebay.com/itm/184980603844 > > > > > > Mark
