try this site this is the chip i use . i have 2 playstations with this chip in it and i also use the psx emulator for my computer.with using the newest damein tools virtue rom. all i have to do is make an image file of the cd on my computer then just mount the image file with damein tools. i have 3 kids and i have to have 3 working psx . when one wants to play it always seems that the other to want to play at the same time.
http://store.unet.net/shop/showdetl...._ID=55&CATID=1
hope this helps