On Wed, Aug 29, 2012 at 01:50:47PM +0100, TJ wrote: > The CPU is 64-bit but the i945PM northbridge is 32-bit (so no physical > 4GB addressing). With PCI allocations as they are the system is limited to 2GB of RAM under Linux (3GB on Windows Vista). According to the laptop specs, it's limited to 2GB RAM: http://www.sony.co.uk/support/en/product/VGN-FE41Z/specifications Personally, I'm not terribly excited about doing much work to enhance a 6 year old laptop... -- Matthew Wilcox Intel Open Source Technology Centre "Bill, look, we understand that you're interested in selling us this operating system, but compare it to ours. We can't possibly take such a retrograde step." -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html