Magic 3.1 installation help

[zelos]

Hey, I bought a Magic 3.1 a few days ago and was planning on installing it but I have 2 problems... actually 1 problem and 1 question the problem is I have a V4 PS2 and I dunno how the hell to tell if it has a gap or not if anyone has a link to a pic that shows what it is please post. And the question is if anyone has experience on soldering do you think I should use heatsink on the chips or should it be fine if I just take my time on it? Oh, And actually one more thing I read somewhere that with Magic 3 you should use 28 gauge wire or thicker for everything except the GND and +5v of which you use 22 AWG (21 SWG) wire and thoughts?