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Today I was given a chameleon modchip + pin header.
I read the instructions from the chips users guide, installed the d0 wire, and the pin header, screwed it in position and booted the box
Its been a while since I installed my chameleon, but if you did a pin header install (the installation where you solder the pin header in place into the LPC and rest the chip on it), then there shouldnt be a "screw" to set it into position.
However, if you did a pin header install..then it is absolutely imperative that you solder the d0 in place. If youre a little unsure about soldering, i suggest using the underside d0 point instead. Its a little larger and easier to work with for unexperienced solderers. word of caution, use a 15w iron and be careful not to lift a trace.
If you did a "solderless adapter" installation where you screwdown the adapter and rest the chameleon on top of it, then the wire does not have to be soldered, althought it sometimes helps the connection if you carefully scrape off the coating on the motherboard at the d0 point with a pin or other fine point tool. dont be too agressive, just scrape enough to remove the coating.
Also, unlike the matrix (chameleon's predicessor), once the chip's cromwell bios has been flashed, the blue light goes away.
hope this helps