http://www.assemblergames.com/forums/showthread.php?t=14437 I've found this thread already but it completely lacks a proper answer. I'm trying to mod a NTSC-U N64 to have RGB but the problem is that every guide and information tidbit I can find has the U4 chip with 24 pins or so and my N64 has the same chip space labeled as U1 with a BU9805FS label on the chip with a total of 32 pins (same as the one mentioned in the first post on the above thread). I can't find a datasheet, pinout, etc for it except for some information that seems to point that this is the same chip used in PAL N64s and thus isn't moddable. Can anyone confirm/deny this?
That guide follows the older CPU-04 board, the one I've got is CPU-05 and as a result has the 32 pin chip at U1 as opposed to that guide which has the 24 pin U4 chip. Sad panda.
http://members.optusnet.com.au/eviltim/n64rgb/n64rgb.html I saw someone had done something to make PAL n64s capable of RGB but couldn't find a direct reference as to what they were doing. Now I know. Looks like this would work with later American N64s but given the near impossibility of finding an NTSC TV capable of RGB or SCART it would seem to be less useful for me and more useful for Europeans with a soldering iron. Since I figured the main market for modded N64s would be Europeans it would be somewhat pointless to not start with a PAL N64 for compatibility reasons.
UK N64's can't do RGB as most of the chip concerned is empty (the connections simply aren't there); French or Australian PAL N64's however do tend to be RGB moddable. In the UK, we have SCART connections on televisions, which are RGB (and S-video and composite) so can be handy.
