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Windows 7 32 bit and ram usage

post #1 of 6
Thread Starter 
Here is my specs:

Motherboard: Asus M4A88TD-V EVO/USB3
CPU: AMD Athlon II X4 640 3.0 GHZ
Graphics Card: XFX ATI Radeon HD 5770 - Stock Core Clock: 875, Stock Memory Clock: 1300
RAM: 4096MB OCZ DDR3
Hard Drive: Seagate Barracuda 7200.12 500GB SATA-II 16MB Cache
PSU: Corsair Tx750w
Optical Drive: Cheapest dvd writer I could find, cant remember what it was.
OS: windows 7 32 bit

I keep getting conflicting information on whether 32 bit actually uses all 4gb of ram, or whether it only utilises up to 3 and a bit gigabytes of ram (or less) as some people say. Task manager reports only 3327 gb of ram total, but a friend said that it might be because the rest of it is being reserved by the motherboard. When I look this up, I see it depends on many different factors, including your motherboard type. So I was hoping you people here could clarify exactly how much ram my system is utilising and whether any of it has gone to waste.
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
AMD Athlon II X4 640 Asus M4A88TD-V EVO/USB3 XFX ATI Radeon HD 5770 4096MB OCZ DDR3 
Hard DriveOptical DriveOSPower
Seagate Barracuda 7200.12 500GB SATA-II 16MB Cache Some budget thingy Windows 7 Corsair Tx750w 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
AMD Athlon II X4 640 Asus M4A88TD-V EVO/USB3 XFX ATI Radeon HD 5770 4096MB OCZ DDR3 
Hard DriveOptical DriveOSPower
Seagate Barracuda 7200.12 500GB SATA-II 16MB Cache Some budget thingy Windows 7 Corsair Tx750w 
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post #2 of 6
32 bit uses a max of 3.5 gigs (including video ram)
post #3 of 6
Thread Starter 
Quote:
Originally Posted by CravinR1 View Post
32 bit uses a max of 3.5 gigs (including video ram)
So does that mean essentially 500mb of ram has gone to waste? I'm deciding on whether its worth going through the tedious process of backing up ALL my files, buying windows 64 bit, reinstalling the pc with that, then reinstalling all my games and files. Is whatever performance boost there is worth it?
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
AMD Athlon II X4 640 Asus M4A88TD-V EVO/USB3 XFX ATI Radeon HD 5770 4096MB OCZ DDR3 
Hard DriveOptical DriveOSPower
Seagate Barracuda 7200.12 500GB SATA-II 16MB Cache Some budget thingy Windows 7 Corsair Tx750w 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
AMD Athlon II X4 640 Asus M4A88TD-V EVO/USB3 XFX ATI Radeon HD 5770 4096MB OCZ DDR3 
Hard DriveOptical DriveOSPower
Seagate Barracuda 7200.12 500GB SATA-II 16MB Cache Some budget thingy Windows 7 Corsair Tx750w 
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Reply
post #4 of 6
http://msdn.microsoft.com/en-us/libr...(v=vs.85).aspx

Says max of 4 gigs but I"m certain 3.5 is all you'll have access to


BUT x64 is not just max memory usage, its a whole different os and is better in alot of areas (its 2 am here so i'm not looking up the differences)
post #5 of 6
Thread Starter 
Btw, dxdiag reports 4gb of ram, if that means anything.
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
AMD Athlon II X4 640 Asus M4A88TD-V EVO/USB3 XFX ATI Radeon HD 5770 4096MB OCZ DDR3 
Hard DriveOptical DriveOSPower
Seagate Barracuda 7200.12 500GB SATA-II 16MB Cache Some budget thingy Windows 7 Corsair Tx750w 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
AMD Athlon II X4 640 Asus M4A88TD-V EVO/USB3 XFX ATI Radeon HD 5770 4096MB OCZ DDR3 
Hard DriveOptical DriveOSPower
Seagate Barracuda 7200.12 500GB SATA-II 16MB Cache Some budget thingy Windows 7 Corsair Tx750w 
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Reply
post #6 of 6
add "/PAE" without quotes to your boot.ini file
that should show all 4GB's
if not, then it will show 3.5GB
If you have onboard graphics you could always dedicate 512mb to the GPU
then its not going to waste.
    
CPUMotherboardGraphicsRAM
Intel ATOM N450 @ 1.66Ghz <unknown> Intel GMA3150 256mb 2GB DDR2-800 
Hard DriveOSMonitorKeyboard
160GB 5,400RPM 2.5" Windows XP Professional SP3 LED (Non-gloss) 1024x600 intergrated 
PowerCaseMouseMouse Pad
6 cell battery Samsung Wireless mouse 3000 / touchpad anything 
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CPUMotherboardGraphicsRAM
Intel ATOM N450 @ 1.66Ghz <unknown> Intel GMA3150 256mb 2GB DDR2-800 
Hard DriveOSMonitorKeyboard
160GB 5,400RPM 2.5" Windows XP Professional SP3 LED (Non-gloss) 1024x600 intergrated 
PowerCaseMouseMouse Pad
6 cell battery Samsung Wireless mouse 3000 / touchpad anything 
  hide details  
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