PDA = CODE_I9100XXKG2_CL375027_REV02_user_low_ship.tar.m d5
Phone = MODEM_I9100XXKG2_REV_02_CL1037208.tar.md5
CSC = GT-I9100-CSC-MULTI-OXAKG2.tar.md5

If you want to root you could do that and switching back to the stock kernel by putting KERNEL_I9100XXKG2_CL375027_REV02_user_low_ship.tar .md5 in the "PDA" section, in Odin