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I have an 0131 I can get around to in the morning, but, do you want a drive on the other end, or unplugged inside the case? I can do either.

Thanks fo the info.  I didn’t use the utility. I plugged it into the scsi on a G3 using os 9, and used lido to format and partition it.  I didn’t know you could set it up as 2 (or more?) scsi devices. 

My question is...... Can I partition, and have multiple boot volumes.  I’ve tried & failed so far. 

The PRAM Batteries are Panasonic VL 2330 placed in series. Red +, Black -, and White is the center tap. This is the information I asked for, found myself, and give to all others looking for it.

For what it's worth, I bought a IBM 16V 4.5A PSU on eBay, and connected the red & orange wires from the Powerbook cable to the positive, and everything else to negative. My Powerbook 520 works just fine. Although since the batteries are dead, I can't say if the charge circuit is fully...

Thanks for the advise.  I’ll try to find those caps, and more info on the pram batteries. I know there’s 2 of them.  @techknight . In what area should I look for the caps?

Does anyone know what causes this, and what will fix it? I pulled it out of storage and wired up a new PSU (IBM 16v 4.5A), and was disappointed to see these lines.  The top half was worse, but after squeezing the top edge, it became better than the bottom half.   Next, see if I can rebuild...

I opened the MFS in an emulator, and saw this. It's only 361k I wonder what "Electric Start" means.....

That's too bad. I know how ya feel.. I guess it'll be there for the next person looking for it. I'll still report whatever happens, when I get my MacBottom serial drive & 512kE together...

Good news!  I think I may have found some drivers / utilities! Go to http://vintageapplemac.com/154-classic-mac-survival-kit And download: http://vintageapplemac.com/files/misc/ClassicMacSurvivalKit.sit Under Hardware, you will find: MacBottom 800K.img.sit MacBottom MFS.image.sit I was...

So, I see my old telephone sitting there, and decide to find out the fact..... I pull out my early Macintosh keyboard cable (128k, 512k, Plus). I pinned out both of them, and it was the telephone hand set cable that was backwards... Apple has the standard pin 1 to pin 1, pin 2 to pin 2, etc...

Yeah. No. Gorgonops. As I said: we all know that if Apple could have done it for $20, they would have. And/ or, if they knew people would buy it, for what it cost at the time, they would have done it. 256k DRAM is under $0.80,  and the demultiplexer is the same. A few $0.20 resistors &amp...

I miss the old SCSI 160 & 320s that had 500 bh mtbf.... And a hardware jumper setting, that made it "Read Only", or "Write Lock", so that I could make it "Storage only", and it would NEVER get infected, or tampered with, as, it was a physical jumper, that couldn't be hacked, without opening...

Yes. I agree. If it was't an 800k, I don't think I'd have the question......   Although.... 1MB..... 400k..... Hrrrmm........  It's only $20, and it'll be fun!!! Imagine the extensions that could be loaded..

 Thank You for contributing to my inquiry. I appericeate it much!! I just want to let you know that I've decided to do it, because as I've said, Apple would have done it, if they could have done it for $20 I don't use this as a "Look what I got" computer, I actually use it. I spend the time to...

Gorgonops ....... You just put me over the top. Thank You! I"m gonna do it! if Apple could have done it for $20, they would have... I can do it for $20, so I will.... I NEVER mentioned that I wanted to make this a Plus, just add more RAM. I love this 512kE, and will show respect to it, by...

Forget the whole "Plus" section, If I wanted a Plus, i'd go get one. 'Nuff said...... Wait.... What?  I asked for ideas, thoughts, comments, experience, on doing this to a 512kE. If I had a Plus, I wouldn't want the extra RAM to copy floppy disks.... it's already there.. I'M NOT TRYING TO...

I thought about that, but I don't want more stuff, and the upgrade is only $20, vs the cost of a Plus.... And then I'd be looking to upgrade the Plus to 4MB. Ha ha.

If you have the time, go to a sporting good store and see if they have any kind of LARGE backpack, duffle bag or etc, that will fit it. And it's always hit & miss at the thrift stores, but that's where I bought a compact Mac in it's bag, for $17.

I’ve been thinking of it, on and off, for a few years. I would use the method, starting on p27 of: http://www.ccadams.org/se/classicmac2.pdf I know that some people think that only “plug in” mods should be made, and that soldering chips onto the logic board ruins the whole thing, and kills...