Satellite A300/M00 - RAM Limit

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gillzy

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Joined
Aug 29, 2008
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I have a Toshiba Satellite A300/M00 running Windows Vista Home Premium x64 with 2gb of RAM.
I wish to upgrade to 4gb of RAM but also downgrade back to the x86 architecture.

My whole computer is fully x64 compatable including CPU and GPU but I know x86 address space stops at 4096mb with the GPU, BIOS ROMs and other PCI-e hardware use the address space before the RAM is used leaving about 3gb of RAM remaining.

Will my computer still use 4gb of the RAM I will install in my computer such as using PAE to allocate the whole lot.

Thanks in advance,

Matthew Gill.
 

gillzy

Thread Starter
Joined
Aug 29, 2008
Messages
21
I have been reading the my chipsets user manual and found it supports software/hardware based DEP and PAE giving me the option to be able to address 64gb of memory on a 36bit.



Thanks in advance.

Matthew Gill.
 
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