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64-bit installation

I bought a new Jetway motherboard JNC9KDL-2700-LF with the Intel Cedar Trail D2700 CPU and 4 GB of RAM, which runs fine and supports VLAN on the two Gigabit-Nics.
But it only take 3 GB because it's a 32bit installation.
I tried to install several times, but never came to the question to install the 64bit version. The Intel specification for the D2700 tell, it's 64 Bit.

Where is the problem to use the full 4 GB of RAM?

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0 William Warren over 13 years ago

32 bit system have only 4 billion address to use. Ram is not the only memory in a machine..the video card ram and various caches throughout also count. Once that 4 gig is reached the system rolls over and you start "loosing" ram. For any machine over 3 gigs 64 bits is required to use all of the available ram.

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0 wk_03 over 13 years ago in reply to William Warren

William,

I know that and that's why I try to install 64-bit version.
The board works perfect, but I want all my memory to work ;-)
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0 William Warren over 13 years ago

which version of astaro are you trying to install? also make sure 64 bit instructions are enabled in the bios(i've seen them off before).

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0 wk_03 over 13 years ago

I try V8.300. Looking in the BIOS is a good hint. I'll try that.
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0 wk_03 over 13 years ago in reply to wk_03

Just looked at the BIOS. Found nothing to activate 64bit.

There is one note in 'CPU Configuration': "EMT64 Not supported".
Is this relevant?
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0 William Warren over 13 years ago in reply to wk_03

Just looked at the BIOS. Found nothing to activate 64bit.

There is one note in 'CPU Configuration': "EMT64 Not supported".
Is this relevant?

yeppers that means 64 bit support is not available on that board..the cpu has it but apparently the board does not.

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0 wk_03 over 13 years ago

Thanks for the explanation William.
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0 William Warren over 13 years ago

so what i would do is either drop down to 2 gig of ram, buy one stick of 1 gig for 3 gigs..or unfortunately get a 64-bit compatible board.

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0 BrucekConvergent over 13 years ago in reply to William Warren

wk, I don't know what kind of chipset is on that board, but I have seen a board or two in the past that allowed 64 bit operation after a BIOS update.

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0 William Warren over 13 years ago

it is the nm10 which is a good one. I can't find that board on jetway's site at all. It only comes up on a Google site at mini-itx and that's about it. I highly doubt a bios is available for it at this point..i hope i am wrong.

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