Originally Posted by FunkyGanja
I assume that wasn't much help so try the OFFICIAL multiMAN tutorial here: Splitting Files
This tutorial will tell you how to split your files so that they are able to be put on a FAT32 file system and be transferred to your PS3's internal OR left playable on the external.
I would recommend split4g since it was created by deank (the legend) and divides them into a format readable by multiMAN.
As far as i know Grand Turismo 5 cant be played from external hdd... or am i wrong?!?