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| Quadra 800 and stuff |
Posted by: beachycove on 2012-04-16 05:21:13
So it DOES boot with the PPC card installed? That would be great news.
The info on partitioning should also go into the A/UX FAQ if possible (at least a reference and a link)!
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Posted by: ClassicHasClass on 2012-04-16 06:33:27
Yes, it does boot with the card installed as long as it is off, natch. I was delighted to see this too.
The downside is that if the card is on and you boot A/UX MacPartition, it gives you an unhelpful error message, and then proceeds to boot again from the same partition, in an endless loop. So I'll need to keep a rescue floppy with a Startup Disk control panel around if I forget to shut the card off when switching to A/UX. I imagine I'll have the same problem if I forget to have the card enabled when switching to 8.6.
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Posted by: Bunsen on 2012-04-18 17:36:04
I'm recapping a 840AV mobo, but I'm not willing to put it into that case... :disapprove: May I ask what other case you will be using? I would like to move my own 840AV into a slightly less horrifying case. What other bodies would it fit into, with/without some dremelwork?
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Posted by: zuiko21 on 2012-04-22 15:57:10
I got this 840AV as a bare mobo -- not even CPU! But I'm thinking about putting it inside a 7200/7300/7500/7600 case -- they're fairly nice to service, and the required mods shouldn't be that hard...
I have compared both boards (Quadra 840AV - PMac 7600) and the task seems feasible 😎
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Posted by: Bunsen on 2012-04-29 11:39:26
That is excellent research and documentation there, zuiko21! Thanks for making those images available.
I am curious to know how you are thinking of attacking the back plane, as that seems to be the only major difficulty - especially, as you point out, around the Nubus vs PCI area.
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Posted by: ianj on 2012-07-23 21:48:47
the CDROM bezels are first to go so good luck finding one. No kidding. Mine didn't have a CDROM bezel when I got it, so I bought a new one. It's been on for five years, but it finally fell off. I can't find any more for sale like I used to be able to, so I'll probably just glue it back on.
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Posted by: Dennis Nedry on 2012-07-24 23:16:08
I wonder if it's possible to chop away an 800 back panel and replace / integrate it with the 7200 back panel? I never knew the these machines had such similar shaped logic boards.
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Posted by: zuiko21 on 2012-07-25 08:07:55
While many Mac motherboards use a pretty similar form-factor, there are some differences... I have compared the 840AV to the 7600 board, and among other things, the power switch is differently located (left on the 7x00, right on the 8x0). I don't think a 7200 front part would fit the (awful) 800 enclosure 🙁
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