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Regarding the rollers: Friction can be restored by cleaning them with rubber rejuvenator (something like 25% methyl salicylate and 75% isopropyl alcohol - easier but more expensive to buy it pre-made).

USB Overdrive supports many mice that don't come with OS9 drivers. So far, there's only been one mouse I've tried with it that didn't work.

Well done! I remember the first time I saw a Macintosh II. They had just been released, and my college's computer center had a few. I was in awe at the color picture, the expansion slots, and the sheer size of the thing; it was so very different a machine in appearance and abilities from my...

My experience with a white iBook G3/500 and a G3/600 was not good. Tons of screws, irritating to disassemble. Just to replace the hard drive with an SSD turned into a disaster. I’ve taken apart, repaired, upgraded, and then reassembled a couple dozen Mac laptops (a mix of PowerBook G3’s...

The Turbo 040 cannot be plugged into the PDS slot, and does require an adapter such as the Twinspark or Bolle’s. Bolle’s is more compatible with the Turbo 040. As you say, you could fry it without the adapter. The cache slot it fits into is the one that places the card horizontally over the...

Same problem here (description along with troubleshooting so far in detail below). I wonder if there is residual corrosion with effects that are seen only when stressed with the requirements of an 040 . Can crystals can go out of whack over time? Is it worth replacing those to see if that...

The depreciation of Macs back then was truly impressive. In 1991, I was irritated with how slow my Mac Plus was in comparison with the SE/30 I was using in the lab. I estimated that it would be about 10 years until I could afford to spend the $4,000+ for an SE/30. Ten years passed, and I...

Thanks for the advice. It was well worth a try but, although the extension loads, I get an error when launching the control panel. Neither it nor XLR8 Mach Speed Control enables the cache or Altivec. Oddly enough, when I tried an old hard drive from when I bought the Sonnet CPU, with the...

Keep in mind that reaching out and paying the seller outside of eBay risks losing your eBay account, as it violates eBay rules (eBay will miss out on their share of the payment). I ran into a similar situation not too long ago, and ended up having to live with feeling lousy about it. In your...

I’m having trouble getting a Sonnet Crescendo PCI 1GHz up and running in my Power Mac 8600 (Kansas) or 9600 (Tsunami). An 800MHz version of that card in the same Macs works fine. Symptoms: - The Mac freezes while loading the Sonnet extension(2.3 or 3.1). - With the Sonnet extension disabled...

If you can find a MacPro Plus keyboard by Key Tronic, it will work with a Mac Plus, any Mac with an ADB port, and (with the help of a USB adapter like the BMOW Wombat or a Griffin iMate) a computer with a USB port.

For the SE/30, you can’t check the -12V through the floppy port. I cannot recall my source of info for that, but I read about it after building a floppy drive port voltmeter, and getting 0V on the -12V line on every booting SE/30 in my possession.

If you are referring to those full height full width 9.1GB 50 pin server drives, someone in the Dealchat forum around the turn of the century described them as “fire-breathing.”

My Ti-4600 was just as you describe - it didn’t bring much more, despite Norton System Info reporting much better performance.

Thanks - I needed a smile!

I believe so. Great! What got it working?

I believe there was a generic cache enabler that worked for G4 upgrades; I recall installing it on my B&W. I don't currently have easy access to my Mac software from that era, but will provide details if/when I locate it.

Cool! An OWC G4 450MHz ZIF CPU made a very satisfying improvement in the performance of my B&W way back when.

The op amp on my logic board is a TL071B, and I wanted to stick with a direct replacement. Looking over the datasheet, page 17 lists the B version as having a lower input offset voltage, so it seems to be a somewhat higher spec device. I don't imagine this makes much of a difference in this...

Great resource, and one that answers a few more questions I had. Many thanks, indeed!