memory question

[Paras pradhan]

On Tue, Jan 6, 2009 at 1:34 AM, Carl Friis-Hansen
<ubuntuuser at carl-fh.com> wrote:
> Paras pradhan wrote:
>> On Mon, Jan 5, 2009 at 8:36 AM, Rashkae <ubuntu at tigershaunt.com> wrote:
>>> Paras pradhan wrote:
>>>> Is there anything I can do to use full 4 GB of RAM instead of 3.24 GB
>>>> when using 8.10 64 bit?. My machine is Dell 640m Laptop with A10 bios.
>>>> Any one full utilizing 4 GB?
>>>>
>>>>
>>>> Thanks
>>>> Paras.
>>>>
>>> Your notebook comes with an Intel graphics chip that does not have
>>> dedicated video ram.  That means that the system is using some of your
>>> system ram as Video ram, and that memory will never be available to the
>>> Operating system.
>>>
>>> You should be able to reduced the amount of reserved memory in your
>>> BIOS, but you always need some.
>>>
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>>
>>
>> My dell 640m's bios dedicated 8MB to video which is not changeable
>> (strange) . In memory section, it says Memory install = 4096 and
>> Memory available = 3312.
>> This means I will not be able to use full 4 GB in this bios?
>
> I am not really knowledgeable about your BIOS. However, the 8MB
> mentioned is almost certainly the prehistoric standard memory IO range.
> This would only change if you had two video cards running. The shared
> memory area you are looking for is much larger, like 64MB to 512MB or
> so. It must be there somewhere in your BIOS. This much larger memory
> range is used shared between CPU and Video CPU, such that one don't have
> to transfer the long and slooow way through IO-port/8MB road.
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I double checked it. I didn't see where  I can change video memory.
And 8MB has been allocated. Does my BIOS has a problem?


Paras.