piece of advice bro , i've been installing modchips since 1998 with the ps1 , i did complex installation on ps2 32 wires in ic , im really good at what i do , the cr4 XL is not faulty imo , i had like you a jasper 512 mb last week and i played with it for 4 hours with the 15 dips settings and all , DONT WASTE YOUR TIME AND DONT LISTEN TO THE HATERS THAT WILL TELL YOU THAT IT'S YOU YOU YOU , they told me the same thing last week , i think i installed over 200 consoles with jtags so far and all the slims i do , they ALL BOOT INSTANTLY , even the late 2013 models with postfix adapter , DONT WASTE YOUR TIME BRO, get a slim ASAP , and for the haters out there , eat garbage before you tell me i dont know what im talking about , i was already modding when you guys were still smokin weed in high school