March 25, 200719 yr I have 4GB memory installed on my Asus P5W DH Deluxe board. When I select the BIOS...it shows: Installed Memory: 4096 Appropriated Memory: 1408 I have used VistaBoot 3.1 to turn on DEP and PAE...no go. Asus says it is the Operating System. I have 2 ASUS EAX1650PRO Crossfire cards installed. Below is my System Profile where Total System Memory should read 4096 MB and/or something close to that. Anyone know how to acheive the full memory? ++++++++++++++++++++++++++++++++++++++++++++++++++STATS++++++++++++++++++++++++++++++++++++++++++++++++++OS Name Microsoft® Windows Vista™ Ultimate Version 6.0.6000 Build 6000 Other OS Description Not Available OS Manufacturer Microsoft Corporation System Name P-III-1 System Manufacturer USTEK COMPUTER INC System Model P5W DH Deluxe System Type X86-based PC Processor Intel® Pentium® D CPU 3.40GHz, 3400 Mhz, 2 Core(s), 2 Logical Processor(s) BIOS Version/Date American Megatrends Inc. 1901, 1/24/2007 SMBIOS Version 2.4 Windows Directory C:\Windows System Directory C:\Windows\system32 Boot Device \Device\HarddiskVolume1 Locale United States Hardware Abstraction Layer Version = "6.0.6000.16407" User Name P-III-1\Joe Time Zone Central Daylight Time Total Physical Memory 2,686.50 MB Available Physical Memory 1.67 GB Total Virtual Memory 6.45 GB Available Virtual Memory 5.42 GB Page File Space 3.91 GB Page File L:\pagefile.sys++++++++++++++++++++++++++++++++++++++++++++++++++++Thanks, Joe
March 25, 200719 yr if your using 32bit vista then thats why, 32bit cant handle 4 gigs. you need the 64bit vista to use all of ur ram.
March 25, 200719 yr Altho 4gigs is the max for 32bit Vista, the top memory addressing of that is allocated to your mobo devices, hardware. Graphics cards, especially with 512mb mem or more can push down your usable system RAM to below 3gb. Whats your graphics card? Edited March 25, 200719 yr by amenx
March 25, 200719 yr Just to finalize the thread - this has been discussed before, so check those threads out as well. They'll give you some good info.
March 31, 200719 yr 32 bit versions of windows can only adresss 4gb of memory including your system ram, your from from your videcard, and your ram instaled in your mobo, if you do some math u will realize the following = 4GB RAM - 512*2 RAM( your 2 videocards) - Memory on your mobo - Memory on your CPU = do the math and thats like -3GB ram, remove one Video card and your ram will increase. sorry for my english xD.
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