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When we speak of storage bandwidth, here, we're almost always talking about the internal SCSI-1 bus. But every interface on a logic board has bandwidth. Using the SE/30 as an example, it has an external SCSI port, the internal and external floppy ports, two adb and serial ports, a PDS, 68-pin...

Thanks for the info cheesestraws. Exactly what I needed to know.

I mopped the logic board twice with cotton swabs and isopropyl. It is cleaner than it was, but still dirty. I could probably do that 10 times and it'd still be dirty, and there are places I can't get to, like in any of the slots. The analog board and PSU were far cleaner in comparison. I just...

The analog board.

Thanks Byrd. I'll keep cleaning. Here's something that's not all that interesting. Got the floppy out, and it's Microsoft Works, released for Mac in 1988, so... period software.

What is the level of risk in trying to test boot this with this much electrolyte covering the board(s)?

I'm reaching out for quotes for cleaning and recapping.

First of all, I wanted to present... Excalibur, and the box it came in. Also a nice surprise inside this SE/30. It did not appear to have been opened before... the screws were very tight and gave just the right way (RAM appears upgraded, so probably not the first opening). The power cable was...

IBM briefly licensed NeXTSTEP 1.0 (maybe 1991?) to run on top of AIX on PPC RS/6000, but the performance was so poor IBM dropped the project. I don't think a ROM swap is going to do it, would need to be ported first. Get it running on a 9500 first.

You're probably right. My rental is dusty, so I'm just thinking about it. I have seen a lot of old machines filled with dust, not so old ones, too. In 2014 I upgraded my 2010 MBP, and when I pulled off the bottom, I could not believe how much dust had gotten in there, when the place I lived was...

Thanks LaPorta! Just looked everywhere for a power cable. I cannot believe I don't even have ONE with me. I got the idea that maybe the seller had the screen brightness all the way down when tested. I have this idea, not sure it will be liked. What does anyone think of securing thin strips of...

Will do, Trash80toHP_Mini. But this isn't my thread, nor do I use that confusing nomenclature (SE w/ 40MB HDD, I suppose it means). I just posted to this decade-old inquiring about that link to subterfuge in OP, the color CRT swap that deceptively hid the fact they cut a hole in the case.

Thanks. Trash80toHP_Mini already clued me in here I already knew this... but that page deceived me into believing there were short tube color VGA CRT monitors somewhere.

I paid $100 more than I wanted to for a non-funcitonal SE/30, which just arrived. With my tools in another state, I ordered a long-stem Torx T15 driver from Home Depot, which is supposed to arrive in a couple days, though it's been over a week, and nothing has yet happened with the order. I am...

Quadra 630 consideration leads me to think Mystic, then to LC 575 with swapped processor. Sometimes a logic board is available, but there's an underlying brutality to this kind of hack. There's compelling economic reasons not to destroy the OEM machines, and there's other good reasons, too, and...

I didn't see it before. That page is snake oil.

Speaking of color CRT in compact... in 2005 I looked for a color CRT that would fit, actually wasted money on 3, always 2"-4" too long. I thought it was impossible. But I found this link in another 68kmla thread. http://geektechnique.org/macmod.html So there is at least one model of color CRT...

There were a few Apple Monochrome monitors, but ignoring the ones with composite video, Apple High Resolution Monochrome Monitor Apple 12-inch Monochrome Monitor

Anyone have the precise dimensions of SE/30 logic board? As I recall, it's close to 9 sq.in., and Micro-ATX is close but just a bit too large to fit. Thanks.

I must have forgot how roomy 640x480 is in System 7. That resolution is barely useable in OS X.