LaPorta Posted March 3, 2020 Author Report Share Posted March 3, 2020 A good question. It has two video cards but that’s about it. This will need to be overhauled, recapped, cleaned, traces, and re-batteried before I take a look. If anyone knows how to read RAM chips (I don’t, I’m happy to take a look. Ill start a separate resto thread on the machine. Quote Link to post Share on other sites
Dog Cow Posted March 3, 2020 Report Share Posted March 3, 2020 On 3/1/2020 at 8:20 PM, LaPorta said: -About 10 Mac 128k/512k/Plus/SE logic boards in various states (I’ll bet all need repairs). If you have a Mac 128K motherboard, or a 512K motherboard with socketed RAM in that stack, I'd be interested. Quote Link to post Share on other sites
LaPorta Posted March 3, 2020 Author Report Share Posted March 3, 2020 15 minutes ago, Dog Cow said: If you have a Mac 128K motherboard, or a 512K motherboard with socketed RAM in that stack, I'd be interested. Tomorrow/this weekend I’ll be rifling through the boards to see what is there and In what quantity. I’ll let you know. Quote Link to post Share on other sites
olePigeon Posted March 3, 2020 Report Share Posted March 3, 2020 13 hours ago, LaPorta said: If anyone knows how to read RAM chips (I don’t, I’m happy to take a look. I AltaVistad, and found this: Size or capacity of SIMM Look at the four digits to the left, these often carry information about the number of bits in the chip. A 4256 indicates 256 K bits arranged in sets of four, for a total of 1 Mb. "1000" indicates 1 MB of bits arranged in one set. With some memory, the last one or two digits may be changed to indicate different kinds of memory; there are 1 MB chips that end with 4256, 4257, and 4258. In this case, round the last digits to an even 256 or thousand. Three-chip SIMMs have two larger chips that are quadruple the capacity of the third chip. The third chip is dedicated to parity data. Quote Link to post Share on other sites
btober Posted March 3, 2020 Report Share Posted March 3, 2020 13 hours ago, LaPorta said: Ill start a separate resto thread on the machine. It'd be great to see this come back to life! Adam's records indicated that this one needed quite a bit of work (it does not power on currently), but wasn't any more specific than that. Information like this played a significant role in prioritizing what we would attempt to sell and what we would view as a contribution to the community. Quote Link to post Share on other sites
LaPorta Posted March 3, 2020 Author Report Share Posted March 3, 2020 It is a great piece, and I’m going to be happy to work on it. Quote Link to post Share on other sites
sstaylor Posted March 3, 2020 Report Share Posted March 3, 2020 Some of those sales and training CDs and DVDs can be cool. Lots of product photography, line art, typefaces, presentations, brochures, that sort of thing. I've seen some with radio ads. It's been a long time since I've seen one though, so who knows? Quote Link to post Share on other sites
trag Posted March 3, 2020 Report Share Posted March 3, 2020 17 hours ago, LaPorta said: If anyone knows how to read RAM chips (I don’t, I’m happy to take a look. If you present an image from which we can read the markings on the RAM SIMM chips, we can figure out the capacity from the datasheet(s) for the chips on the SIMM boards. Quote Link to post Share on other sites
LaPorta Posted March 4, 2020 Author Report Share Posted March 4, 2020 RAM chip info in in the new rest thread! I count 10 logic boards: Two 128k, one 512k, five Mac Plus, Two SE, and one SE/30 that it appears someone worked on previously. Here's a puzzler to me: what the heck is this contraption? Quote Link to post Share on other sites
cheesestraws Posted March 4, 2020 Report Share Posted March 4, 2020 6 minutes ago, LaPorta said: Here's a puzzler to me: what the heck is this contraption? Looks like the power button and keyboard jack from a Lisa to me? Quote Link to post Share on other sites
LaPorta Posted March 4, 2020 Author Report Share Posted March 4, 2020 I have no Lisa knowledge...so I guess so? Anyone want it? Quote Link to post Share on other sites
lisa2 Posted March 4, 2020 Report Share Posted March 4, 2020 2 hours ago, cheesestraws said: Looks like the power button and keyboard jack from a Lisa to me? Correct, this is a the Lisa power button and kb jack assembly. Someone will want it. Quote Link to post Share on other sites
cheesestraws Posted March 4, 2020 Report Share Posted March 4, 2020 I mean, this would be a useful spare for me, and I'd imagine for anyone else who has a Lisa and is neurotic about availability of parts (or has a failed power button or keyboard jack!) Quote Link to post Share on other sites
LaPorta Posted March 10, 2020 Author Report Share Posted March 10, 2020 (edited) If you are interested, just send me a PM. Unless I find a free Lisa somewhere, I’ll never have one! Would rather it be useful to someone. Edited March 10, 2020 by LaPorta Quote Link to post Share on other sites
LaPorta Posted March 11, 2020 Author Report Share Posted March 11, 2020 Floppy imaging operation underway. Many of these will likely be available after I have images them due to my physical space constraints. Quote Link to post Share on other sites
cheesestraws Posted March 11, 2020 Report Share Posted March 11, 2020 17 hours ago, LaPorta said: If you are interested, just send me a PM. Unless I find a free Lisa somewhere, I’ll never have one! Would rather it be useful to someone. Have dropped you a PM. Not at all urgent, you obviously have a lot to sort through here Quote Link to post Share on other sites
cheesestraws Posted March 11, 2020 Report Share Posted March 11, 2020 (also I know that @pcamen has Lisas awaiting repair—if one of those turns out to need the part, they should have priority to get the machine working. The part in my Lisa AFAIK is working fine, this would be just insurance for me, but I'd rather it went to actually making a machine work.) Quote Link to post Share on other sites
LaPorta Posted March 11, 2020 Author Report Share Posted March 11, 2020 That’s fine, and between you guys. I obviously have no way of testing it at all, so I don’t even know if it works. Quote Link to post Share on other sites
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