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Just downloaded it and that guide is utterly amazing - but it focuses on scope which frankly is beyond a lot of amateur troubleshooters (I've got one, and should learn, but am yet to find a need). Take a step back, as Phipli has kindly noted, trace out signals, check for further broken traces...

For an old TV or 15khz arcade monitor, those universal chassis have been around for a while, but they're for just that: simple CRTs not computer monitors. I reckon you could find a parts unit eventually.

Had to look this up, that's new it appears there are slightly different revisions of 1Ghz eMac and it's not related to the optical drive but presume a firmware revision that needs the unsupported OS 9 install CD for the later models. You can download standalone Mac OS 9 drivers for the ATI...

welcome Jorge, The Classic/Classic II as you will discover from searching here was a very budget Apple design and will need recapping of both the analogue board and motherboard combined, with a deep clean of everything in the process. After this, pay some attention also to the optoisolator...

Have a look through the Macintosh Garden website, you will find heaps of “interactive multimedia” programs just different enough from x86 releases to pique your interest. You might like HyperCard releases or some alternative encyclopaedias as mentioned. Also putting it out there the flat, late...

The cloned Micromac Performer accelerators by MacEffects are a good price and would make it more fun: https://maceffects.com/products/maceffects-performer-pds-68030-accelerator-for-apple-macintosh-se

If you're keen to play older Mac OS games (and what you've mentioned will fly on a 1Ghz G4), go the native supported 1Ghz eMac, OS 9 is certainly possible on the later 1.25Ghz however with quirks, and if you're freshly coming into the Mac side save those dramas for another day. I'd also...

Should be fine, I would suggest formatting the drive on the Mac side and not Windows, check the slot for any damage.

That screen is evidence of ROM issues, clean and reseat the module. Yes, it looks like it has been recapped. You can use an ATX extension cable to extend the length of the SE/30 harness for testing

$50 and working it'll be a fine candidate to add to a collection, very simple internals and if stored well won't take much to get rock solid (cap replacement is easiest out of any Mac).

Can you post pics of the card? It might be an easy upgrade to 2MB. Great cards these, really make a 128/512K useful.

Can you install an OS to the BlueSCSI and drag it over to the (small) PB150 CF partition?

Spent a week fixing up Mac Pluses (x 4), which included sitting them outside to mingle in a moment of high heat and UV A and B in Aussie sun, thought I had 2 x beige and 2 x platinum. Amusingly a "beige" Mac Plus clearly became platinum after a day! And the one beige Mac Plus doesn't budge to...

Hi robin, That's one good thing - there is noted compatibility issues with some G4 upgrades and SATA PCI cards.

What happens with the card in a stock IIfx - no boot or crashes?

It should just boot regardless of it being a G4 or having the Crescendo software installed. Check the RAM is up to spec, the CPU daughter card is cleaned and check if the card sags in the slot - I've a similar card which needs to be placed just right from years of gravity affecting either the...

Anything, I wouldn't buy it. Later universal analogue boards are interchangeable between 120 - 240V with a jumper essentially. Also keep a look out for a junk 512/Plus unit for parts.

All G5 towers are pretty rugged in my opinion, an item that Apple over engineered and frustrating to work on but by and large they are pretty reliable (and cheap to source another locally due to their hefty weight!). As with any older Mac, you will want to remove the heatsinks clean all dust...

Reflow (with new solder) all the wiring going to the tube and behind the plastic housings to it, same goes with the yoke PCB

Earlier boards have a huge sized 0.47uF X2 RIFA capacitor, later boards have 2 x 4700pF X2 capacitor (much smaller), both rated 250V or higher. I'm restoring several Mac Pluses at the moment and yet to find a dud 200V 100uF capacitor (the four big ones usually purple colour. There is also a...