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11-10-2007, 12:11 AM
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#1 |
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Member (8 bit)
Join Date: Jul 2004
Posts: 194
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Xp Pro with 4Gb physical RAM
system : Dual Boot , Xp pro 32Bit - Vista ultimate 64 Bit 4 GB of RAM
Ok , ok .. i know about the 32 Bit limit OS .. but my question is : the max you can see is 3.5 Gb ( i saw that somewhere ) in Xp Pro but in my system it show only 3GB .. so im after that missing 500Mb. I tried the /3GB /PAE switches in the Boot.ini ,Tried the remap memory option in the Bios.. no success ... Any ideas of the cause ? however it works like a charm in Vista 64 Bit .. i have my full 4Gb ... thx
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Burn
Core Duo 2 E6700(2.66Ghz@3.7Ghz) , Mobo Asus PW5 DH , Cosair XMS2 4Gig (425Ghz) ,Single HD2900XT , OCZ 700watts Power supply, SATA 200, 320 and 160 Gig HD , X-Fi XtremeGamer fatality Pro Last edited by Burn; 11-10-2007 at 12:19 AM. |
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11-10-2007, 01:05 AM
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#2 |
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Folding at home.
Join Date: Jul 2007
Location: Christchurch, New Zealand
Posts: 2,126
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From what I've heard, it's somewhere between 3 and 3.5gb depending on few factors. So it's not always 3.5gb and it's not always 3gb.
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AMD Athlon 64 X2 5600+@3.0GHz - nVIDIA GeForce GTX260@626/1620/2060MHz - 4GB DDR2 800MHz - 320GB WD Caviar Blue + 500GB WD Caviar Blue |
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11-10-2007, 05:46 AM
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#3 |
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Member (7 bit)
Join Date: Oct 2007
Location: Alabama
Posts: 102
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Just finished new build last night.
Core duo E6750 XPPRO 32bit 4 gigs crucial DDr2 800 MB gigabyte GA-P35-ds4 Windows showing 3.50 ram which is about what I expected. some where it tell syou XP will use less then four gigs.
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hudson80 Build 10 November 07 so far not even a hiccup. No over clocking Gigabyte Poseidon Case, gigabyte GA-P35-DS4 Rev 2 , BIOS F11 PSU corsair 620HX, CPU Intel C2D E6750 2.66 gig, Memory Crucial, 8 gig ,(4 X 2 G sticks) DDR2 800 (PC2 6400) 1.8 volt GPU PNY 8500GT 512MB. 2 Seagate internal SATA HD 1 Seagate eSATA HD all running AHCI. Lite On SATA DVD DL burner, Lite on SATA DVD burner. Floppy drive . Dual Boot Vista HP 64/, Windows 7 RC1,monitor Samsung T260HD |
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11-10-2007, 12:32 PM
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#4 |
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Forum Administrator
Staff
Premium Member
Join Date: May 2000
Location: Joplin MO
Posts: 37,791
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The last build I did with XP 32 and 4 gigs reported 3.25. I've heard of as low as 2.75.
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11-10-2007, 04:58 PM
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#5 |
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Member (8 bit)
Join Date: Jan 2003
Location: Oregon
Posts: 191
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I have exactly 3.0gb ram, and it shows exactly that. Ive read an artical on this website and he says 32-bit only uses 2.xxGB
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11-13-2007, 07:25 PM
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#6 |
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Member (6 bit)
Join Date: Jan 2004
Posts: 45
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i finish my second build yesterday, monday.
I have XP pro with 4Gb crucial DDr2 800 and its only recognizing 2.75. -is there something i can do about this, or is it time to upgrade to vista?  -also if its not recognizing the full 4gigs, is it utilizing all of the ram? (btw, Bios IS recognizing the full 4gigs) sorry, if these questions were already answered, i kinda feel like someone jumping in the middle of a conversation 
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11-13-2007, 07:29 PM
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#7 |
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I like me
Join Date: May 2007
Location: Tejas
Posts: 7,332
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If you want windows to see all 4gb, then you need a 64bit OS.
I hear xp 46 isn't that good, thus I would say vista 64.
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