RDuckey's latest activity

Done. Works great. Thanks for the in depth help and guidance, it is really appreciated.

Well, I suppose I'll take your advice and make a new U19. I missed post#13.

Good catch. Yes, I had that switch set incorrectly. I had turned it on when replacing the original ROM didn't work and failed to put...

If I am reading the Ruud's Breakdown correctly at step 103, the ROM at U19 may be a problem. I believe that was the assumption derived...

I have received the programmer, the logic probe and the W27E257(-12) chips. I have successfully installed the Ruud's Diag rom and it is...

I reviewed my search history and found that I had searched for DRAM not RAM. Therefore the apothecary and shotgun loading references...

And I should have known better than to inject joviality into an Forum that is, generally, very serious about the topics being discussed...

Thank you, once again. I obviously need to spend more time on your website. I truly have missed a lot of pages. Fair or not, when...

During my short time playing with 30-40 year old machines, I keep running into different DRAM chips that may be the same as others, but...

Two more toys to add to the tool box are on their way. I ordered a logic probe that seems to meet the same specifications as yours...

This is one of the many reasons that I decided to add more toys to my collection. I'll drag the machine back on the bench and try to...

Sorry for the delay in responding. I've decided to invest in some blank rom chips and a programmer. Unfortunately it will probably be...