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Where did the memory go? MoBo or Vista?
Posted 24 March 2007 - 08:43 PM
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?
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
Posted 24 March 2007 - 10:04 PM
if your using 32bit vista then thats why, 32bit cant handle 4 gigs. you need the 64bit vista to use all of ur ram.
Posted 24 March 2007 - 10:12 PM
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 by amenx, 24 March 2007 - 10:13 PM.
Posted 25 March 2007 - 06:54 AM
My memory cards have 256 MB onboard memory.
Thanks for the answers!
Thanks for the answers!
Posted 30 March 2007 - 10:00 PM
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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