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Sounds like a good idea to check the voltage conditions. Need to get myself a new multimeter - I had an old one which seems to have broken. The ROMs seemed to be fairly corrosion free, although I'll check again next time I open the Mac up. There were different logos on the two sets of ROMs, so...

Hi again, Before continuing, wanted to send my support to the people in Japan. I visited friends in Sendai last summer - thankfully they are safe but may have lost their home, I haven't heard more than that they are well. Let's all hope the radiation worries subside soon. So, back to the Mac...

Well, I had some work I needed to do tonight, and I was so desperate to avoid doing it that I cracked open the 128 and started poking around. Opened it up to discover a dusty, nasty situation inside - there was quite a bit of dust and debris inside the case. There was even what looked like a...

Thanks for the info Mac128. Agreed about not mixing chip types, unless of course there's salsa involved. I also remember something about all or none of the chips being socketed, something about the small difference in lead length between socketed/unsocketed chips causing problems. The torx...

Hi, Thanks again for the ideas on the sad 128k mac - Pesky work and life concerns have kept me from opening up the 128, but I hope to do so within the next few days. I got my copy of Dead Mac Scrolls, and as mentioned before on p. 65 it discusses a problem that sounds very much like this...

Just ordered my copy from a seller on amazon - about $6 including shipping. I believe it's out of print, but seems relatively plentiful.

Thanks very much for your help, everyone. Looks like I have a little project on my hands here, but that's a big part of the fun of this hobby. First thing I'll do will be to check the analog board with a known good one by swapping in a logic board. I have the other 128k as I mentioned, and a...

Thanks for the reply, I'm hoping it is just bad RAM. That at least would be straightforward to replace. Seems like many types of old computers fall victim to bad RAM so it wouldn't be too surprising if this was the case. Luckily there's an electronics distributor just down the road from me...

Hi everyone, I recently got a few compact macs from a craigslist seller - 2 128's, an SE and a Plus. Tried them all out - SE is fine, Plus is not working (though I'll address that one later), and one of the 128s seems to be in working order, asking for a boot disk. The other 128...

Thanks, I'll try that! The torx tool should be arriving tomorrow, so I'll proceed with caution. Will let you know how it goes.

Thanks! Ordered a Torx screwdriver yesterday and it should arrive in a few days. Will keep you apprised of my progress. Am I correct in thinking that the logic board is probably ok, and that the problem most likely lies with the analog board? From other posts on this forum, I gather that a...

Hi everyone, Looking for some help in recovering from a less-than-brilliant move on my part. I recently came across a Mac 128k for sale in my area, and quickly scooped it up. When testing it out for the first time, all seemed normal. Plugged in, turned on, and the disk icon showed up on the...