powerlot's latest activity

No need to ask, the switches I've got are 3 pin so probably incompatible without additional modifications. They're just from the same...

Is the coin cell still good? Not sure how they react to recharge. I assume the old one was NiCd, but th new ones are NiMH. I would have...

Hmmm, I'm not convinced this is a 2.4V battery, because it looks like 3x 1.2V = 3.6V. See Varta 3/V15H S DA for example. Someone else...

What type of battery was in there and what did you replace it with? You should not have the CMOS checksum bad message if you correctly...

Are these those Honeywell SD series switches? I was about to ask if you're going to gut a keyboard I'd be interested in some spares...

My 8050's logic worked out of the box. I only reformed the big capacitors before turning it on. The drives are another cup of coffee, I...

If you already get a pattern of lights and a steady green in the middle, you could be good to go. Try to hook up a PET and see if it...

If the voltages are ok, check the 6502 in UN1 (with a scope) for a proper clock signal, reset sequence and if there's activity in general

There's way too much overshoot and ringing on the signal... are the probes properly compensated (and as asked already properly...

If ISA slot present, XT-CFlite otherwise ZIP drive (with palmZIP for XT machines). Sometimes I also used a USB IDE interface and...

Thanks but I don't want to register to (yet) another forum only to make few posts and disappear again... I tried to find any signal...

It's pretty quiet in the Atari section, huh? I procured a second working drive and could exclude the drive mech and custom chips from...

Have you tried searching UPS batteries? They come in different sizes, maybe the 2 or 3.2 Ah ones would fit the compartment

Those are not 128k EPROMs... (https://www.elnec.com/en/device/Hitachi/HN482764/) and what model of programmer did you use to program them?

Hi all Now that I made my cable I've got the next issue: One of the floppy drives I'm restoring does everything these drives do, but...