Finally, 4 GB of RAMs is no longger an issue.
For those who are still trying to install Vista 64bit or Windows Server 2008 64 bit to fully utilize your 3 or 4 GBs of RAM, good news. All the required drivers now available.
However, straight from Acer driver DVD disc, graphic and motherboard chipset driver for 64bit OS is not included. Due to that very own reason, I upload both driver here.
Download Acer 4530 Graphics and Chipset driver here :
Yep, I realize, new version of 9100M custom INF has been release but due to some unknown reason, whenever i try those version (176.37 for example, my vista index down from 4.1 to 4.0). 175.61 is the driver I used to achieve 4.1 vista index.
However, if you wanna test and experiment it by yourself, feel free to check this link : 17x Series GeForce Driver
Download both drivers (graphic and chipset) from the link above.
Install chipset driver first and restart. Then install graphic driver. Put your Acer driver disc in your optical drive and install other driver (bluetooth, wireless lan, ethernet lan, sound, quickbutton etc)- (for vista) as usual.