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You can’t tell from the pic, but since OP said it was a 266MHz model that makes it a PDQ aka Wallstreet II.

Nice haul! The LED is similar to the one in earlier PowerBooks in that it only comes on during sleep (blinks) or goes solid if there’s something wrong with the PMU. The time issue would be a flat PRAM battery, which could be rebuilt. The booting issue I’m not sure about - what are you trying...

Mine is very reliable as well, except for the one issue I described... If you wouldn't mind, next time you boot it up, plug some headphones in and see if you can hear anything.

Well done. You’ll have to repeat the process any time you have the machine open!

The concept is quite fun but the execution is shallow. In addition… you need to know your audience better… this really isn’t the best forum for showing off AI generated software. Most of us here value the thought and effort that goes into a project as much as the end result, and AI stuff brings...

I was benchmarking CPU performance in Norton System Info.

It is, right? I suspected that was what it was for. There are also empty pads at R701 and R702 - I’m interested to see if these provide more timing options.

I just did some tests. This resistor R700 tightens RAM timings when present. I suspect it’s removed in the 33MHz config to add in a required extra wait state.

No just above that he wouldn’t be doing another run because of tariffs…

Hello! Reviving threads is no problem. Yes, I think the 165/180 use enabler 131 off the top of my head, maybe it’s a slightly different one for the colour models. You can find everything you need on Macintosh Garden.

Have you looked at the Tanzania schematics, now publicly available? A cursory glance doesn’t reveal any of those sense resistors you mention.

I’m not sure yet - probably not but it’s a cool idea. Wouldn’t an LC-style case be perfect?

Nicely done, does it work? In theory you should have OpenGL support now, although the 2MB SGRAM may prevent you playing any games like Quake3.

That’s the Irish spelling of film lol

Looking forward to your results soon…

Using some kapton tape, I've isolated the pin to #58 RESET (connected to BURG RST5V L). So, it seems like the chip is not coming out of reset properly?

I'm currently running a Rev. A Bondi Blue iMac setup externally with an ATX PSU. It works, but I've had some teething problems with this setup: - No sound output from the headphone jack - System slows to a crawl or hangs at random times; or doesn't boot. Through trial and error I've found...

Everyone’s getting excited but OP said they won’t be doing another run!

I’ve patched a couple of PPC systems and it seemed to work OK without those extra strings. The only weird thing that I noticed was when you go to format a disk in Finder, and Mac OS Standard is listed twice in the ‘Format’ drop down, and Mac OS Extended is not listed. For completeness I suppose...

Swapping SMD ICs? Easy is a relative term - depends on your skillset. For the casual hobbyist, no, it’s not easy :) The first thing is to identify what’s causing the problem. I’m assuming you’ve removed expansion RAM. Are there any signs of corrosion on the board at all?