Quote:
Originally posted by Marsh2003
Here's the questions; 1) Can you use a graphics card with a 68EC020 cpu? 2) Does a sd/ff display 640x480 res on a monitor with wb and display games properly? 3)Is it physically possible to upgrade a real A1200 with a faster CPU with FPU + FASTRAM + CDROM + monitor style GFX? Basically, I'm interested to see how far you can take an A1200 
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1) Don't know, but probably yes. Why not ?
2) A scan doubler doubles the horizontal frequency, it does not change the resolution. Amiga resolution is either 640x400 (NTSC) or 640x512 (PAL). Both will display correctly on a CRT monitor, probably not on a TFT one.
As pointed out in lots of other threads, the values mentioned above is only the standard screen size. The real resolution is something around 740x580 or so. The screen can be moved around inside this range to fit the user's preferences. Also overscan can be used to increase the screen size while different monitors will cut off different portions. So to get the real thing in emulation you should use 800x600. If you complain about the frames around the screen, these are visible on the real machine either. Trying to fill the monitor with a 640x512 display is not what the real Amiga does.
3) You can take an A1200 almost as far a an A4000. There is the BlizzardPPC with a 68060/50MHz and a 604e PPC at 200MHz (i believe) and up to 256MB RAM + the BlizzardVisionPPC graphics card with a Permedia2 chip. Building the mainboard in to a tower case will give you plenty of room for CD/DVD-ROM/R/RW as well as Zorro slots for A4000 style expansions or PCI slots for PC style expansions (as far as drivers exist).
When it comes to emulation, why do you care about the exact configuration ? You should try to get the desired software running, not to make it incompatible.