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I have Sheepshaver installed on my windows pc so I gave it a try and it runs fine. Sheepshaver 25-3-2015 build and 5-6-2013 build, both work fine 9.0.4 Macintosh Garden download Windows 10 host

I have a 5300 with fragile but intact hinge plastics, and I have the necessary cad/cam/reverse engineering skills and equipment, and a cnc machine shop to effect any solution I come up with… Unfortunately I don’t have any real spare time and an already pretty big list of projects. This is...

I did the exact same thing to my Q700 floppy when I cleaned and rebuilt it - I had no choice but separate the heads a little as they had some hard build up on them that wouldn't clean off with normal methods, and in the process I bent the spring and broke one of the screws. Can confirm that it...

New RB methods are always interesting, if you don't mind sharing please do post your techniques!

I have a tibook with, I think, radeon mobility 9000

Ah ok, makes sense that I have rarely seen it as I tend to use 7.6 or 8.1 on my quadras

Which system version are you running? Does the Quadra 700 actually support 24bit addressing at all? I didn't think it did...

In the world of keeping old industrial electronics alive, Stabilant 22 is liquid gold. https://www.stabilant.com/sizes.html I dare say it would be equally great on simm socket contacts....

I have a SCSI2SD V6 and recently purchased a ZuluSCSI RP2040 and can happily recommend both. I haven't done extensive testing with the ZS yet, but I suspect that the SCSI2SD V6 is still the best raw performer. Not relevant unless it's connected to a fast bus like a Jackhammer or SEIV - both are...

Stop moralising. OP is an upstanding member of the forum and should be given the benefit of the doubt. You are jumping to conclusions unfairly.

Since I happen to have a wombat board right here next to me, I can confirm that C39 and C40 are identical. Looking closely at your photo, I can see that there is a lot of sludge remaining in the bottom of the scsi connector - if it's there it's likely elsewhere too... It may be that your board...

It would surely be possible, but there is no additional silicon on this card for any acceleration or dsp. It's still a very cool card, as there were apparently very few 040 pds graphics cards ever on the market (I can only think of one other - the Mira Rainbow GX), and this one seems to be...

An unrelated but interesting take away from this discussion is that sometime during the production lifespan of the first Quadras, Apple changed the numbering scheme of their custom ASICs to the "343S" system, and there are differently numbered but identical ASICs out there from this time period...

Lol, no I missed that!

Related: The DAFB (framebuffer controller) on my Quadra 700 has a different part number so I dismissed it, but I found this image which clearly has a 343S0128-01 populated in the DAFB, which lends credence to the notion that this is a duplication of the Q700 video subsystem... I can't identify...

No apologies required, I perfectly understood your concerns! As I hinted at previously ("borrowed" ASICs), I strongly suspect this board is simply a duplicate of, or based on, the video subsystem of some existing 040 mac, hence the use of Apple branded ASICs. From a brief glance U1...

Awesome! That is one very rare card you have there, I wonder how many were made?

I think the colours are very close, I know mine looks darker/glossier in my photo, but it's pretty dark in here as I took the photo, and it's quite a dull/matte green in reality. I'm not dismissing what you're saying, but I think the similarities are too much to be coincidental. I do have a...

Well, yes, they are very definitely extremely different cards! But the similarities are significant IMO. More than just the VRAM, resistor packs are all BI on both boards, whatever that little PLCC20 chip is has the same type of sticker on both boards, same kind of smaller bar code sticker, A7...

Although there's no matching shipped product that I know of, that card looks very rasterops-y. I have a Paintboard Lightning and there some very obvious design similarities. PCB is the same shade. Silkscreen font looks the same. Many of the components are from the same manufacturer. Some of the...