Sony Vaio VGN-FE48E upgrade RAM

Hello! I have a Sony Vaio VGN-FE48E with a little problem a didn't undersand.
Can I upgrade the memory to 4 GB?Everest 5.01 says that:

Memory Module Properties:
Module Name Hynix HYMP564S64CP6-Y5
Serial Number 00004026h (641728512)
Manufacture Date Week 8 / 2007
Module Size 512 MB (2 ranks, 4 banks)
Module Type SO-DIMM
Memory Type DDR2 SDRAM
Memory Speed DDR2-667 (333 MHz)
Module Width 64 bit
Module Voltage SSTL 1.8
Error Detection Method None
Refresh Rate Reduced (7.8 us), Self-Refresh

North Bridge Properties:
North Bridge Mobile Intel Calistoga-PM i945PM
Intel Platform Napa DC
Supported Memory Types DDR2-400 SDRAM, DDR2-533 SDRAM, DDR2-667 SDRAM
Maximum Memory Amount 4 GB
Revision / Stepping 03 / A3
Package Type 1466 Pin FC-BGA
Package Size 3.75 cm x 3.75 cm
Core Voltage 1.05 V
In-Order Queue Depth 12

Memory Controller:
Type Dual Channel (128-bit)
Active Mode Dual Channel (128-bit)

Memory Timings:
CAS Latency (CL) 5T
RAS To CAS Delay (tRCD) 5T
RAS Precharge (tRP) 5T
RAS Active Time (tRAS) 15T
Row Refresh Cycle Time (tRFC) 35T
Read To Precharge Delay (tRTP) 1T
Write To Precharge Delay (tWTP) 13T
Refresh Period (tREF) 7.8 us[/LEFT][/LEFT]
Memory Slots:
DRAM Slot #1 512 MB (DDR2-667 DDR2 SDRAM)
DRAM Slot #2 512 MB (DDR2-667 DDR2 SDRAM)

OK.On the sony vaio support site it says that the Maximum Memory Amount is 2GB.Can I trust in Everest and put 4 GB(2 GB on each slot) on my notebook?

http://support.vaio.sony.co.uk/tutorials/memory/memory.asp?site=voe_en_GB_cons&c=-1&s=-1&m=2649

raumann Newbie

raumann Newbie