XP 64 not recognising 4Gb RAM Tags: Memory RAM Windows XP Last response: January 6, 2013 11:51 AM in Memory Share tommymcmusic January 6, 2013 9:51:51 AM Hey everyone, looking for some help. As the title states I have 4Gb of RAM installed and XP only shows 3.23Gb I know this is a limitation in the 32 Bit Version of Windows. My System: Motherboard: GA-MA74GM-S2H rev 3.0 CPU: AMD Phenom II 64 X4 965 3.4GHz RAM: Geil PC2-6400 800 MHz 2Gb X 2 (4Gb) OS: Windows XP 64 Bit Bios Version: FEb Can anyone help? Many Thanks Tommy More about : recognising 4gb ram jitpublisher a b } Memory January 6, 2013 11:37:19 AM tommymcmusic said:Hey everyone, looking for some help. As the title states I have 4Gb of RAM installed and XP only shows 3.23Gb I know this is a limitation in the 32 Bit Version of Windows. My System: Motherboard: GA-MA74GM-S2H rev 3.0 CPU: AMD Phenom II 64 X4 965 3.4GHz RAM: Geil PC2-6400 800 MHz 2Gb X 2 (4Gb) OS: Windows XP 64 Bit Bios Version: FEb Can anyone help? Many Thanks Tommy Are you certain you have XP 64 bit? If you do, it was not widely supported and the list of 64 bit XP drivers is pretty short, good luck with it. rgd1101 a b } Memory January 6, 2013 11:51:30 AM it is using the integrate graphic? Can't find your answer ? Ask ! Publish Related resources 64bt cpu, xp 64, and 4GB of RAM Forum Windows only recognizes 3.5GB of RAM, but BIOS sees all 4GB (XP 64) Forum 4gb of ram - Should i just upgrade to Windows XP 64bit Forum Solved4GB of RAM, only 3GB detected (1.75 usable) 64 BIT WINDOWS Forum SolvedMy System Specs are: I have a Dell Inspiron 3520 Window 8, Core i3(64 bit) 4GB Ram Intel(R) HD Graphics 3000 Forum Solvedi have install win 64bit in 4gb ram but it show 2.95 usable why???? Forum SolvedKingston 4GB DDR3 RAM KVR13N9S8/4 problems with my Windows 8.1 64-bit OS Forum SolvedNo display after changing 4gb ram on windows 7(64bit) Forum SolvedWindows7 64bit 6GB RAM installed, computer only detects 4GB Forum SolvedWhy am I not able to upgrade my RAM beyond 4GB limit with a 64x OS on my Sony Vaio VGN-AR630E laptop? Forum Solvedi'm having phenom 2 x2 545 processor and i hav 4gb ram can i install windows 8 (64 bit)!!!!?? Forum SolvedI have 3i 2120 processor, and windows 8 64 bit os and 4GB RAM. which Graphic card I can get better for save money..?? Thanks.. Forum SolvedWindows 7 Home Premium 64bit RAM usable 3.84GB out of 4GB Forum Solved32bit OS, 64 Bit Cpu architecture 4GB ram. How can it be possible? Forum Solved4GB RAM (3.25GB usible) Windows 7 Ultimate x64 Forum Solvedfull 4gb ram not usable on win8 64-bit Forum SolvedWindows 7 64 bit 4gb ram 3.48 gb usable!?! HELP Forum SolvedHaving 64bit windows on 4GB RAM, will it effect gaming performance? Forum SolvedCan I run a 4GB Video Card in Windows XP 32bit Edition with 8GB System Ram Forum Windows 7 64 bit showing only 3,12 GB of Ram 4GB installed! Forum More resources Read discussions in other Memory categories Compatibility DDR2 DDR3 Dual Channel RAM Corsair G.SKILL !