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Ugh, my 5300c screen is just starting to show signs of vinegar syndrome. Looks like I will need to revert to the original passive matrix screen that I had replaced about two years ago. Sigh.

I checked through my notes from two years ago where I was trying various combinations of PiSCSI (formerly RaSCSI) with other emulators such as BlueSCSI and SCSI2SD in Mac IIci and IIsi. Problems usually came down to termination issues. Check the position of the termination jumper on your...

Did you reinstall the VRAM? If yes, can you post some photos of the analog board mods? Additional sets of eyes on your work may help spot a problem.

Oh man, I am excited to see this thread! I am going to give the standoffs a shot in my 5300cs. Thanks for tackling this project!

Since it appears you had corrosion near the PSU connector on the logic board, check continuity from the connector pins to various locations on the logic board. I had intermittent death chimes with a IIsi caused by broken traces underneath the PSU connector.

I had the same behavior with my IIci and found several broken traces around the pad for UD13 pin 6, which is supposed to connect to pin 2 and pin 10. I recommend checking continuity in the power on circuitry.

Interested.

Yes, this is very familiar. While cleaning the inside of my iMac G4, I also broke one of the fan blades. I did an online search and found a replacement fan. No problem with replacement, and the iMac G4 is purring nicely. This was several years ago and unfortunately I don’t have a link to share...

Sure, here is the US eBay link. https://www.ebay.com/itm/394543308570?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=01xhur0kqm-&sssrc=2349624&ssuid=mmdlzm_0q_k&var=&widget_ver=artemis&media=COPY

I recently replaced the speakers in a Graphite iMac G3 DV SE using speakers I bought from eBay using the following search ‘2pcs 1" inch 4ω 4w full-range speaker on stage crystal bluetooth for harman jbl‘. Worked like a charm.

I used original JB Weld. My unhappiness with my attempts were due to trying to rebuild a completely shattered and unsalvageable screw mount, which was very difficult to reconstruct out of JB Weld and the metal screw receptacle as the only parts. it seemed to work but I still have a gap between...

The bumps look like the screws underneath the front nameplates that are used to screw the front and back plates of the display. I wonder if anyone had opened it previously and replaced the screws with longer ones? Anyway, the mounting posts are plastic with metal screw inserts and are notorious...

Yes, exactly the link I plan on using for my stereo mod.

Answer is yes. Color Classic stereo mod instructions are available on the web, and I just finished gathering the needed parts to do the mod to my Mystic Color Classic as a project for #Marchintosh 2023.

This is what I use to connect my DB-25 BlueSCSIs and SCSI2SDs to my Centris 650. One was enough to clear the lip, barely. A second wouldn’t hurt on the clearance front.

Here is a pic of my Classic II board showing C102, which is marked as A4 = 10 nF On my board it is connected to +5V and ground. Hope that helps!

Symptom is with the bad cache card my IIci chimes, then after about 20 seconds I hear the speaker pop faintly, but it remains with a black screen with no desktop or happy Mac appearing, and I see no disk activity on my internal BlueSCSI. With a good cache card, no cache card, or my Interware...

I also started troubleshooting a Iici cache card with no luck so far. My non-working card has CY7C185 28-pin CACHE SRAM chips and MT5C1608 24-pin TAG SRAM chips. (I have a working card with P4C164 28-pin CACHE SRAM chips and P4C116 24-pin TAG SRAM chips.) I wondered about the MT-branded chips...

Vremya is the network time tool that I use. https://macintoshgarden.org/apps/vremya

I replaced the four bus transceivers on top of the RaSCSI, and all is back to normal. I am able to connect via SCSI cable and see images, AFP server, and connect Ethernet from my classic Macs.