Which Apple Chip??

[fasterthenmost]

how can i tell which apple chip to buy for my ps2. i think it is a version4 but i don't know which bios i have?? how do i tell which one to get 30001 or 30001-R?? Any help would be appreciated ...

thanks in advance!!!

[bighap]

If your ps2 date code is 1A or 1B you get the 30001 apple. If you have a 1C date code get the 30001R. You can get them here (http://www.psxmodchipcentral.com).