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The posted price of $175 is way too much, imo. On the other hand, $75 would not be so bad if for that you were getting, say, a CD bezel and other working parts to keep a machine going if need be, even with a dud logic board. But you could do better, too. $100-ish has been the typical asking...

Interesting device, especially given the direction that computing has taken in streaming, etc. A quick search tells me that Bill Atkinson wrote the software: https://32by32.com/macvision/ . If you can find an address, why not write him a letter and ask about it? If he answers, you can then...

Never mind the SPARC. That cat looks to be baying at the moon. Is it a werecat?

The Q950 is supposed to use active termination rather than passive — Google is your friend here — but whether this would impact on a ZuluSCSI device installed in a Q950 is known only to the ZuluSCSI gods. Or maybe not even to them. In practice what active versus passive termination meant back...

I find a broad wood chisel, say 1¼”, slowly worked around the 4 edges works well. Insert and twist gently, left and right, a little at a time. The processor emerges nicely, and almost as evenly as it would with a proper chip puller, if you take it about 1mm/side at a time. Then pretty quickly...

One thing to check if repair is to be entertained as an option is whether parts obtained from machines based on the same print engine would be compatible. For example, the LWPro 600/630 (I used one for ~20 years) shared a great many parts with the HP Laserjet 4/ 4 Plus. The power supply could...

Okay, so inspired by this, I did a little digging, and…. Am I right in thinking that I would need a (paid) developer account to install either of the locally built emulators on an iPad for anything longer than 7 days? I’ve got Xcode, and therefore have a developer account associated with an...

Is there any reason to prefer the minivmac route over the basilisk? I didn’t know this was possible, but did years ago have a minivmac installation on an iPod Touch v1. That was actually pretty epic, so managing to heave it onto an iPad ought to be awesome indeed. — No jailbreaking needed?

Ordinarily I think you would need to drag the menu bar to the other monitor in the relevant (Monitors?) Control Panel, making other changes as required there as well. I don‘t think there’s a key combination for this. However, if you can see enough of the PB’s screen to open and then drag the...

In the past I transplanted a 640x480 5300c screen onto a 190cs with great success. I rather liked it because it ran on a 68LC040, sported an active matrix display once altered, was equipped with a whopping 40MB (48?) of RAM, and took an easily replaced IDE drive. Alongside all that, it had the...

I’m assuming this is an LC PDS card. A 68882 is the co-processor in question. It will make little difference in a 68030-based Mac, except in certain specialized programs for things like 3D design or in similarly heavy mathematical programs like spreadsheets. The most dramatic differences will...

That was a long, long time ago! But Trag is yer man for knowledgeable input on this one. My 650 is currently in storage, but I do seem to recall that those 64mb SIMMs didn’t work in it — they do work famously, however, in a Q605/ mystic Color Classic, which is nice. The 650 does nicely loaded...

Further to my last contribution, search/ dig around on the forum for posts on the subject by Trag.

https://68kmla.org/bb/index.php?threads/help-memory-expansion-for-quadra-650.42231/#post-458694 Searching is a wonderful thing….

Maxima will do a fabulous job of managing a full-blown RAM disk on a Quadra with plenty of RAM. It works well with RAM compression, will back up to disk automatically on shutdown, and start up from said archive on booting. It’s a great utility. Spin down your mechanical drive in between. A Q650...

Try the utility Maxima for your RAM disk.

Your post made me go and look up the Wikipedia entry for Wirth’s Law (my usual port of call when this general question comes up; it’s a sort of devotional experience for me, inducing calm amid the sense of finding that the All has just been explained). Anyway, according to Wikipedia, the trend...

Just so you know, an AudioVision 14 in working condition is worth a fair sum of money — more than you might imagine if you’ve kept it in the loft for 20 years. Don’t toss it out on a whim.

Or just buy a battery….

Too bad. Have you tried any of the other ‘pram’ files in the Gamba links, then?