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#21
Look for key given on first screen to enter BIOS setup. If not there, google your mobo manual to find it.
In the bottom left corner of your post there is a link to insert your System Specs.
i need help. (ram issue)
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New #23
Logged in user: Riah-PC\Riah
Computer Model: Z1-7309
Computer Manufacturer: MSI
OS Name: Microsoft Windows 7 Professional |C:\Windows|\Device\Harddisk0\Partition1
OS Version: 6.1.7601
System Type: X86-based PC
Total Physical Memory: 3071 MB
Windows Directory: C:\Windows
BIOS Version: Default System BIOS
CPU: AMD Athlon(tm) II X2 255 Processor
Video Card: ATI Radeon HD 4600 Series
Resolution: 1920 x 1080 x 4294967296 colors
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New #24
the only thing i have found online is something called PAE but i have no clue how to do it.
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New #26
Since you have a 64-bit processor, your motherboard is also 64-bit capable. You cannot upgrade a 32-bit OS to a 64-bit one (or vice-versa), it has to be a clean-install owing to the differing architecture. As you have an upgrade version, see the following Tutorial for details on how to install it.
Clean Install with a Upgrade Windows 7 Version
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New #27
For the explanation of why your 32bit OS can't use all 4GB of RAM, from StalkeR's link in post#2.
Your 32bit Operating System, has an address space of 4GB. Other things need to use some of this space, hardware mostly, and the RAM gets what is left over.The Basics
-The big difference between 32 bit systems and 64 bit systems is the “Addressable Space”. Each device in the system is assigned an address, which takes some of this space. Because the address space is limited, the more hardware you have, the more space is required to address them. Memory (RAM) will get what is left over, and it is this that takes usable memory in a 32 bit system from 4Gb of RAM to around 3.25Gb (Edit: or less).
-Most software today is written and optimized for 32 bit architecture. This means that there will not be a large performance increase by switching. However, for the few pure 64 bit programs out (such as 64 bit Photoshop), there can be a substantial difference.
32 bit OS
-A 32 bit OS can only address 4Gb of memory. Some of this is then allocated to hardware devices, usually dropping the available RAM to 3.25Gb or 3.5 Gb.
-The addressable space also applies to programs, giving a 2Gb limit of RAM to any one process. This means that 32 bit Photoshop can only ever access up to 2Gbs of RAM.
-Drivers are always a concern. Drivers for hardware usually have a 32 bit version, and there is usually not a problem with 32 bit drivers (finding or using).
-A 32 bit OS has a lower memory requirement to run. For Windows 7, the minimum RAM needed is 1Gb
A 32bit OS will normally be able to use 3.0 - 3.5 GB of RAM.
As mentioned, your system should be able to run the 64bit Windows 7 version.
The 64bit OS will be able to use all 4GB RAM, the processors address space is 18 exabytes (18 billion gigabytes, but Windows 7 64bit max address space is 192Gb), though current motherboards can't accommodate this much address space.Last edited by Dave76; 15 Nov 2011 at 10:46.
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New #30
Why? Many drivers and apps have issues with a PAE-enabled system. I've never actually seen this point questioned or disputed, to be honest. It's always been avoided. I've also never heard of PAE being enabled by Windows 7. I'll admit, I don't know much about PAE, but that's because of the sheer outcry against it from way back in the XP tweaking days up until now. It's always been described as a process to enable...and one that could severely cripple a workstation setup. The answer has always been...if you want to use 4 GB....install a x64 OS.
EDIT: After doing some quick reading, here's my question. If DEP automatically enables PAE...then why aren't most x86 systems able to address 4 GB of memory?
EDIT2: I answered my own question. Apparently, PAE in consumer, aka non-server versions of Windows has nothing to do with physical memory usage...so even enabling it won't change the memory limits...
Which leads back to the advice to run an x64 OS if you need to use more than 3.2-ish GB of system memory.
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