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| Question about the Mystic Color Classic upgrade |
Posted by: mraroid on 2015-05-22 18:23:21
Hi folks....
I have not done the 640 X 480 mod to my Color Classic yet. I would like to take a 575 logic board I just bought and plug it into my Color Classic. Can I do that with the screen still at 512×384 ?
jack
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Posted by: 360alaska on 2015-05-22 20:07:30
Yes, but you will have to run system 8... a 575 board without the vga mod confuses system 7.5 and with show a bus error...
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Posted by: archer174 on 2015-05-22 21:34:04
I seem to remember just removing a resistor fixes this. I never did the video upgrade to my classic and it boots OS's before 8 just fine.
I think this site details what I'm talking about.
http://www.geocities.jp/hirotac_01/all-of-ccii/fix-id.html
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Posted by: 360alaska on 2015-05-23 09:05:22
You can remove resisters, but if at some point you want to do the vga mod you'll likely have to put them back...
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Posted by: archer174 on 2015-05-23 16:58:49
That is true, but it is a 0 ohm, so it's just one solder bridge when you want to do the VGA mod.
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Posted by: Bolle on 2015-05-24 06:49:47
There is also the possibility to fix that 7.x bus error in software somehow. I did that on my Mystic but totally forgot what you had to do.
Edit: now that was easy... http://colourclassicfaq.com/mobo/mystic.shtml#Q2.1.3
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