I ran my 200 without a NiCD for about a year. It worked fine. I did finally put a new NiCD into it this summer. I saw a similar error when I tried to put a super capacitor in place of the NiCD. But this gave me the horizontal line error. Removing it fixed my problem. I'm not sure if yours is the same but thought I'd mention it. Kurt
On Tue, Nov 13, 2018, at 12:59 PM, Britt Dodd wrote: > Good afternoon, > > Until this past weekend, I've never given serious thought about the > TRS-80 project I have on my project list, but after attending the > Tandy Assembly, I am now the proud owner of 1 Model 100, 3 Model 200 > project machines and a CoCo 2! I'm trying to get the 200s up and > running...they boot to a screen with lines, I've taken one of them > apart, and cleaned up the ribbon connector with Deoxit, which didn't > seem to help. It almost seems like the panel is "on" but not > initializing properly, so I did the cold boot and the "arctic boot" > procedures, to no avail.> > Something caught my eye on a VCF forum post, where someone had > mentioned that if the NiCD battery isn't fully charged, the machine's > RAM could be 'somewhat preserved' in an unconsistant state and > recommended removal, and that the NiCD battery's presence was only > intended to persist RAM contents long enough to change batteries. Is > that true (NiCD battery isn't needed)? And as a follow-up, although > capacitors "appear" okay, would a re-cap be needed for this? > Traditionally (i'm a Macintosh/Amiga collector -- until now), > recapping was mostly needed for SMD components, and through-hole > passives typically are considered reliable, is this true here too? If > NiCD battery isn't needed, I plan on snipping them from the 200s and > the 100 I have too, since I could easily just offload (via serial) to > a PC or something.> > > > Thank you, > Britt
