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Give the analogue board a tap at startup, I think you've some good old dry solder joints here too. Yes, replacing the capacitors will help you here - notably the low voltage big ones (eg. the 1 x 16V 4700uF and 4 x 16V 2200uF I think it is).

For testing you need the PSU under load, check the HD is working OK on another system and ensure it's running on the bench. When I say working, if the drive heads are stuck or the drive has "crashed", it might cause undue strain on the PSU so make sure it works OK. Noting the fuses blowing...

Can you elicit any change in the LCD with pressure applied to the ribbons, controller etc?

2.5MB in a Plus, SE was a perfectly good poor man’s upgrade in the day, not sure why not recommended 😀 And then the spare sticks you turned into keyrings!

Try it and see, you’ll find out pretty quick if you can’t boot from it, albeit it will likely mount media on the desktop. If it doesn’t boot, it is likely there are no firmware’s it’s just slightly incompatible. Replace with a Pioneer IDE unit which always works.

Nice, did the 575 fit and need many adjustments to drive the CC CRT?

Thanks all - you’re right. My confusion is because all beige Mac Pluses are now yellowed. And all platinum Mac Pluses are now beige! I think I’ll inspect the casings and stick to the one colour that’s the best condition.

Hi, I'm building up my childhood Mac Plus with accelerator and internal SCSI, with packing boxes. This is the box I have - can anyone please clarify was it for the beige or platinum model? Kind of hard to discern (the keyboard keycaps are kind of dark here over the light grey of platinum)...

Yeah, it's asking for a cheap Rage 128, how is dual booting between Mac OS and AIX?

Long term recap, short term get squirting on the CRT adjustment pots to deep clean.

Not in front of a Mac but there should be a Partition icon for the Apple HD formatting program, otherwise use Lido or Silverlining for this. More info here on partition size indicating making partitions < 1GB for anything

I'll hold my soldering iron, thanks joevt for the info - look forward to a patch popping up one day.

Reckon the sweet spot will be Snow Leopard for performance and PPC compatibility, the only website you probably want is Macintosh Garden to download apps and games. RAM is super cheap, along with an SSD which will really give it a kick along.

Try splitting partitions into eg 2 X 1GB (or even 4 X 500MB), or … a smaller CF card. My PB150 has a cheap generic CF adapter and 512MB Sandisk CF I also recall issues with larger cards.

This is great, for non programmers would you please upload the ROM images here and take a shot of the back of the adapter 7100 showing where the rear bodge wire is going? I've owned an ANS 500 for years (and have a 7100 ROM PCB pretty sure somewhere!) and would love to see it running Mac OS.

Yes, another SSD brand might do the trick, search forums for brands and models that might be compatible.

ugh, imagine the infectious medical waste that went through that cleaner … just get a cheap one.

Yes, on the underside of the stepper motor, and left overnight. Mine needed a few drops of oil. Apart from that I'm yet to open mine to see further head stuck/read damage as it is now detected but can't boot or mount. I suspect next step is a low level format using something like Lido over...

Nice setup, doing the same with a 20SC and 5.25” Seagate ST-225N now. Unscrew the drive and lubricate the bearing from the underside with sewing machine oil. Also check PSU voltages while there and recap if needed. The errors - dunno, maybe boot and run First Aid or early version of Norton Disk...

Ah yep neglected to mention the LCDs all have caps, this looks more like cable issue over bad LCD caps!