Ram question

G

gregnied

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I am now running Windows 7 64 bit and I am in looking at my system in the control panel and it says I have 4 GB of RAM installed but only 3.25 is usable, this confuses me because I thought since I am running 64 bit all 4 GB would be usable.
 

My Computer

Computer Manufacturer/Model Number
Dell Vostro 400
OS
Windows 7 Professional 64 bit
CPU
Intel Core 2 Duo E8500 @ 3.16 GHz
Memory
4GB Dual Channel DDR2 SDRAM 800MHz - 4DIMMs
Graphics Card(s)
512MB NVIDIA GeForce 8800 GT
Sound Card
Integrated 7.1 Channel Audio
Monitor(s) Displays
Dell 22 inch Widescreen E228WFP Analog Flat Panel Display
Screen Resolution
1680x1050
Hard Drives
250GB Serial ATA Hard Drive (7200RPM) w/DataBurst Cache
80GB Serial ATA Hard Drive (7200RPM) w/DataBurst Cache

My Computer

OS
Windows 7 Ultimate 6.1.7600 Build 7600 64-bit
CPU
Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz
Motherboard
Gigabyte GA EP35-DS3
Memory
4X DDR2 1GB PC6400 (800MHz), Kingmax
Graphics Card(s)
Gigabyte ATI 3870 512 DDR3
Sound Card
Realtek ALC889A + ATI High Definition Audio Device
Monitor(s) Displays
Sony 40" 40W4000
Screen Resolution
1920x1080
Hard Drives
Samsung HD321KJ 320GB
PSU
Antec 380W 80+
Case
Antec NSK4480B
Cooling
1 x 120mm @low
Keyboard
Logitech Cordless Desktop S510
Mouse
Logitech Cordless Desktop S510
Internet Speed
2Mbit DSL Flatrate
My GPU is not integrated though, I have a Geforce 8800 GT 512 MB
 

My Computer

Computer Manufacturer/Model Number
Dell Vostro 400
OS
Windows 7 Professional 64 bit
CPU
Intel Core 2 Duo E8500 @ 3.16 GHz
Memory
4GB Dual Channel DDR2 SDRAM 800MHz - 4DIMMs
Graphics Card(s)
512MB NVIDIA GeForce 8800 GT
Sound Card
Integrated 7.1 Channel Audio
Monitor(s) Displays
Dell 22 inch Widescreen E228WFP Analog Flat Panel Display
Screen Resolution
1680x1050
Hard Drives
250GB Serial ATA Hard Drive (7200RPM) w/DataBurst Cache
80GB Serial ATA Hard Drive (7200RPM) w/DataBurst Cache
Fill in your PC specs so we can see if its you have dedicated graphics. if you do then its using soem of the ram.
 

My Computer

Computer Manufacturer/Model Number
Home made
OS
Windows 7 RC 7100 x64
CPU
Intel E8400 @ 3.0GHz
Motherboard
GA EP35-DS3
Memory
2 x 2GB DDR2 800MHz Corsair
Graphics Card(s)
1GB GigaByte ATi Radeon HD4870 PCI-e
Sound Card
Creative Sound Blaster XF-i XtremeGamer
Monitor(s) Displays
AOC 22" LCD
Screen Resolution
1650*1080
Hard Drives
1 x WD 200GB sata I (primary)
1 x Seagate 200GB IDE
1 x WD 500GB sata II
PSU
500watt Basiq
Case
iCute - 0408SL Series
Cooling
1 x 12cm front intake fan, 1 x 8cm side intake fan
Keyboard
Logitech G15 (blue)
Mouse
Logitech MX518
Internet Speed
Cable (12MB down <--good!, 256k up <--sucks!)
Filled in my PC specs with all that I know.
 

My Computer

Computer Manufacturer/Model Number
Dell Vostro 400
OS
Windows 7 Professional 64 bit
CPU
Intel Core 2 Duo E8500 @ 3.16 GHz
Memory
4GB Dual Channel DDR2 SDRAM 800MHz - 4DIMMs
Graphics Card(s)
512MB NVIDIA GeForce 8800 GT
Sound Card
Integrated 7.1 Channel Audio
Monitor(s) Displays
Dell 22 inch Widescreen E228WFP Analog Flat Panel Display
Screen Resolution
1680x1050
Hard Drives
250GB Serial ATA Hard Drive (7200RPM) w/DataBurst Cache
80GB Serial ATA Hard Drive (7200RPM) w/DataBurst Cache
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