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Hi guys, I've got this Mac Classic which I've finally got a new CRT for and have recapped the capacitor-plagued board. It looks good now and is working mostly, aside from this issue where (no matter the brightness) I can see the raster on the screen. I believe it's the equivalent of the U1 chip...

Would you be interested in trying? Maybe a BlueSCSI FloppyEMU hybrid!

Only issue is they cost well over $200 now (for here)

Awesome! Now I just need to get a FloppyEmu...

PME271M647KR30

*FIXED* Put the RIFA back in and it works Hi, I was just removing C37 (RIFA) from the 512K I recently bought. It was blown, so I de-soldered it and also cleaned up some battery corrosion on the battery contacts. After putting everything back together, I powered it up and nothing. I've done...

Interesting, I replaced my C33 and C36 on my Plus's board with RIFAs.

That sounds like a lot of work! Your knowledge will be very helpful for others facing the same issue. Has anyone ever thought about combining all known issues and solutions with pre-Intel Macs? I've thought about it and I find it would be a super helpful document. Maybe even a full recap...

Sorry to hear that. I hope you can fix it!

Thanks. I think I just got one of these in an auction with a Mac.

Sorry this isn't related, but what kind of external floppy drive is this?

Good to see some improvement!

Something worth mentioning: My Plus makes a similar tick sound when it's turned on, but only one tick is heard. It's almost immediately cut off by the boot chime, however. I'm pretty certain it's a normal thing for a Mac Plus to do. It might be that your Plus is being shorted out and it's...

Awesome it now works!

No problem! I loved helping this project!

Okay another update: I needed to change a jumper to another spot to make the update work. Strangely it gave me an error code upon booting up the Plus: 0F0003 (and sometimes 0F0002 and 0F0004). After changing the HDA file it works again, which is odd. Either way, it's now running at 50MHz SPI...

What happens if you boot off your FloppyEmu with the BlueSCSI also attached?

Okay update: Despite "updating" the BlueSCSI, it still shows up as the older June update. Going to try using BlueSCSI Updater now.

I'm going to now update my BlueSCSI to the latest firmware and see if that helps.

Also some notes worth mentioning: My STM32 BluePill appears to be 96MHz (I think there is a faster version?) Version I'm running: 1.1-20220626-USB-96MHz Also here is my log file: