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NEW BENCHMARKS I ran Speedometer 3.23 on my stock SE/30 just now, since my Machine Record file didn't have SE/30 scores. Stock SE/30: Stock SE/30 (left) versus Performer-SE (no XTAL added, CPU=FPU=16MHz): Stock SE/30 (left) versus Performer-SE (with 33MHz FPU XTAL): CONCLUSIONS...

Very interesting. Thank you for confirming that I am not losing my mind. I would have thought a doubling of clock speed would result in a far bigger boost to FPU benchmark scores, but your own tests show that to not be the case.

I also have a Performer-SE from MacEffects and have been testing it on my SE, both with and without an optional Crystal Oscillator. Results are as follows, inline with the results from @Ron's Computer Videos : JDW's TESTS JDW's Speedometer 3.23 Test (No FPU XTAL, stock 16MHz operation)...

So you repaired that broken trace and the vertical lines shown in your photo vanished, correct?

A good start would be classic games like Dark Castle and Prince of Persia and Spectrum Holobyte Tetris, not to mention Lode Runner. Then move on to Utility apps like Norton Utilities 3.5, SCSI Director Pro 4.0, and Speedometer 3.23. There are so many utilities though. I probably have more...

I took another look at your CRT photo, from your opening post. I've seen horizontal lines before with an iffy ROM socket, but not thin vertical lines. Those thin vertical lines very well could be RAM related. I realize you have good, new RAM SIMMs, so I am not suggesting those SIMMs are bad...

No activity from A(0) coming from the ROM SIMM? Even with sufficiently thick ROM SIMMs, some boards warp over time. @Kay K.M.Mods posted some excellent info about that here: https://tinkerdifferent.com/threads/smc-rom-simm-prototype.2198/post-19023

I have to admit, I got burned out after my earlier failure with something that was supposed to work but didn't. I'll probably give it another shot when at least two or three more people have used the same method (either that from @Scorpio_ny or that from @jasperman . Right now, the stock...

I personally use a beefed up S7.1 install most of the time, with a fallback to System 6.0.x (via System Picker app) when I have the need for speed. @eric shows how to add 7.5.5 Functionality to 7.1: https://erichelgeson.github.io/blog/2021/03/23/ultimate-system-7.1/ Eric doesn’t talk about...

Welcome to TinkerDifferent! I read through your Reddit link comments and was surprised to see that not a single person mentioned the ROM SOCKET as being the possible culprit here. Now with that said, it seems you had a lot of damage on the board, so I cannot say if there isn't something else...

And checking it twice? Are we gonna find out who's been naughty or nice? Looks like Santa really is comin' to town! 🎅 Pardon my humor. I really do think those photos are incredible. I look forward to seeing the itemized listing of goodies for sale, especially if the pricing is kind toward...

I deyellowed that Apple M0116 keyboard back in 2019 and also swapped the two capacitors out for tantalums at that time. My writeup is found here: https://68kmla.org/bb/index.php?threads/retrobright-effect-from-uv-alone-no-additives.5806/page-4#post-357699 I'm upset with myself for not having...

@fred1212 Glad to hear your machine is up and working. Doing those SMD solder job Reloaded boards is no small task, so I can see why Will is currently the only guy out there doing them. It's going to be a sad day for many when and if he stops, assuming no experienced and reliable person is...

Welcome to TinkerDifferent, Mike! This is certainly a great place to discuss your newfound hobby. I look forward to seeing your future posts about repair! —James

Quite a bit better than the cheap one I have, which I got on AliExpress a few years ago for only $50. 4K would be nice to have.

Curious... My question to "evanboonie" would be this: how powerful is "high power"? 150% related to stock?

I appreciate your kind word. Email notifications of replies to threads like this one help me do that. And if the notification comes at the right time, I can fire off a response pretty quickly. I like to do that because I know if I put it off until a later time, I might be so busy I won't...

Although I wouldn't want to ruin that memory from your youth, there's a video that can help soothe your ears when the time comes to change out that little noisemaker: :-)

I tested it today but found HeapTool 1.4 doesn't resolve the low memory issue that triggers the error message in SCSI Director Pro 4.0. The author of HeapTool made it for System 6 and says it "probably" wouldn't have any meaning under System 7 due to the way 7 handles the heap in a much better...

Thank you very much for the tip! I’ll give that a try on Monday.