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My brother in law helped me build a replacement for the 15" display, I've been thinking about doing up the others as well so that people can have them 3d printed in aluminium or steel just haven't had the time to modify the file. If anyone wants to take on the challenge our original 3d model...

I notice that in the spreesheet the cpu crystal is listed as "16.9344MHz, seemingly not available" I have seen through hole oscillators in this frequency available for sale do we know what ppm it requires? Mouser seems to offer between 10 and 150 ppm Hmm reading the schematic now I see it says...

Hey Folks, I've got a sad Color Classic that powers on then displays this screen (screenshot below) and does not chime. Please Note: This is a known working chassis boots my ccii just fine. The only hint I've found online seems to suggest that either the upper or lower rom is bad but I've...

Hello, The model is scaled so the dimensions should just import with the model. I believe it's approx. 34.77 × 33.91 × 5.90 mm

Well the good news is this was a battery bombed board so there is no PRAM battery (or even battery holder at this point lol). I definitely had the chip in the right orientation but any time it's inserted I get no SCSI. Replace it with a real chip and I have SCSI again. Guess I'll need to...

Well I left it in there because the only image I can find of a ATTiny installed on a SE/30 board still has the oscillator in place next to the RTC I could try removing it I guess.

Well I put it in as it would seem to be indicated and it doesn't work :( If it's in the SE30 stops booting from SCSI If I put the real chip back in it boots from SCSI just fine. I know it doesn't need the oscillator to function but would leaving the oscillator in place stop the new replacement...

Hey folks, I'm trying to wrap up the repair on my Battery Bombed SE/30 board but I need some assistance please. I picked up a ATTiny RTC Module for the SE/30 from the CayMacVintage store and I want to make sure I'm putting in the board the right way. Is it safe to assume that the pin 1 mark on...

Dude you are a lifesaver! I just switched over to the original rom and a known working 7.1 image and it booted from internal disk first try! I would have kept chasing my tail if you hadn't pointed this out so THANK YOU!

Howdy Folks, So my resurrected battery bombed SE/30 continues to have BlueSCSI issues but after reflowing the SCSI chip it got a little...better? betterish? So here are the symptoms: With the caymac BMOW rom installed If I try to boot the external BlueSCSI from a cold boot it tries to boot disk...

Okay so the problem with the BlueSCSI persists and even a real harddrive exibits the same behaviour. If I try to boot off scsi I get an error code 00000000F 0000000c Just wondering does anyone know if I be looking around the SCSI Chip itself? Or is there somewhere else I should be looking for...

I've been working on four SE/30 boards now for on and off for a few months just whenever I have a couple hours to spare. Well Tonight I had a HUGE win on the most damaged board I've been working on which you can see here: I would have live streamed it but my overhead light burnt out today...

Just to let people know -- AliExpress seems to have added various "skus" to this listing and only some of them include a camera along with the trinocular microscope and no they do not make this obvious. I made the mistake of ordering based of the default selection when you click the link in the...

Hey Folks, After troubleshooting on and off for a couple weeks I've managed to get my first SE/30 working :) As it turns out though that one was the easy one! I've got a second board here that's exhibiting some strange behaviour depending on whether I'm using the original rom sim or if I'm...

Do you have a multimeter? Have you gone through the matrix I linked to check the data lines and address lines for the video?

Hey Folks, Just wondering if there is such a thing as a Macintosh Power Supply Compatibility list? Seems like there is some interoperability between certain machines (SE and SE/30 for example) but I haven't seen a comprehensive list of which supplies work with which machines (not yet anyway)...

I did a recap too ;) should be good for a while

Try going through this matrix https://github.com/CayMac-Team/Schematics/blob/main/Macintosh%20SE_30%20Schematic%20Redrawn%20with%20Matrix.pdf and tone out the different lines for video and rom. it helped me a lot when I was trying to figure out video issues on an SE/30

Ultrasonic Cleaning didn't change anything. So I decided to take off the sound chip again and put it back on (from a different logic board known to have sound). Now I get this... But only when hitting interrupt/reset Any ideas please?

Greetings, Wondering if someone can help me to replace the Y3 Crystal one of my three broken SE/30 boards I'm trying to repair. Afraid that the legs just couldn't take an ultrasonic cleaning and broke off right at the base; I tried replacing it with one of these...