09-07-2014, 08:09 PM
Join Date: Jul 2009
OS: W7 Home Premium 64 Bit
Model Name: T5088
HD Bus Type: Serial ATA-300
Standard Memory: 512 MB (1 x 512 MB)
Max Memory: 2048 MB
Number of Sockets: 2
Memory Comments: PC2-4200 533Mhz DDR2 SDRAM DIMM 240-pin Dual channel memory architecture
all online references to this machine list PC2-4200 Ram
you currently have PC2-5300U Ram, but want to upgrade to PC2-6400, which may not work due to the speed and timings.
I would stick to the Manufacturers recommended timings and speeds and increase to 2GB.