I have ps2 90006 use modbo 0.5 new and was use old chip on it replace ofcurse... Motherboard working fine and it show matrix logo on frist setup... I tearn it off to close case and fnish my work in next day.. It show only green light no controller work no show on tv and dvd me be not move any more what wrong?! All wire soldering on chip no damaged any thing.. Use flux useThe tool head is white and the wires are also bent and shaped while they are bright white small Pointed very accurate soldering to work fine.. I remove all chip from motherboard.. Nothing change.(use this for learn)