Fixed ET4000/W32p clock (for non-Diamond variants) and banking extension;
Brought the code on par with the mainline;
Fixed names of the two Cardex ET4000/W32p variants per the BIOS'es;
Brought ET4000AX unknown RAMDAC back in line with the mainline (reverted bogus "fix" by Win9xFan);
Made 15bpp and 16bpp colors more accurate.
Cleaned up floppy code a lot and reverted to single poller;
Fixed segment present bit and limit checking at read/write within segment;
The ASUS boards now have memregs too;
RTC code improved based on suggestion by Sarah Walker;
Fixed SVGA odd/even emulation and added chain odd/even support;
Removed non-existent CPU's.
