What happened i have same problemi have the same issue but after replacing both i/o battery and then the board nothing shows up at all and it has a steady blinking red light on the io... =[ i repasted the chips and it just wont boot. i found white thermal paste on the chip die and suspect it had been baked. should i try swapping the nand/nor chip onto a ps3 slim for replacement or reball instead?
Tried again and this time it booted. Thank heavens.I replaced both cmos batteries and still getting this error :/
Might need another set of new batteries maybe these sat for too long