On Fri, Jun 23, 2023, 6:59 PM Bill Degnan via cctalk <cctalk@classiccmp.org> wrote:
> On Fri, Jun 23, 2023, 6:33 PM Fred Cisin via cctalk <cctalk@classiccmp.org > > > wrote: > > > On Fri, 23 Jun 2023, Bill Degnan via cctalk wrote: > > > It boots fine, did I say it did not boot? I don't remember. There is > no > > > arcnet card, it's not the later model PCs LIMITED box, does not match > the > > > red label logo that came out in 1986 > > > Well, I appreciate that people answered my question. I sometimes ask > questions and then proceed to work on it until I figure it out. There is a > THESYS "MULTI/RAM card and that was the card with the password ROM. I > found the dip switch "PW" and turned it off. Problem solved. The Turbo > error #04 is still a mystery, but it does not prevent me from using the > system. I am thinking there's an incorrect but incidental switch setting. > It could be a RAM chip but I have no proof. Chkdsk returns an full 640K. > I'm very curious if it gets figured out or if there are any publications maybe around the time to help identify the parts Dell would have used. I could be thinking too simply for the college years he built them in his dorm so I'd imagine common off the shelf parts and generally just an IBM clone. I would think some other similar era computers would also have that error code. I started reading another person's post with a similar error on vcfed forums but I don't think they ever really solved it. There was an attempt to dump the bios to see what it might be checking (beyond my depth of knowledge). I guess that would let you know if it's a bios or other device printing the error. I assume you've booted it with no addon cards and still see the message. >
