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Old 09-01-2005, 01:12 AM   #1
niranjan_mr
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16GB RAM -Kerbel support


Dear all

I would like to have 16GB RAM, and linux running on it, i would like to know
which Linux distribution and kernel version supports 16gb RAM, which HARDWARE , ie 32bit, or 64bit server should be employed. Please Suggest me.

Redhat Distrbution which supports 16GB RAM or any other distribution ?
Whether to use 32bit or 64 bit which support 16gb RAM.

Regards
Niranjan
 
Old 09-01-2005, 12:25 PM   #2
Vampirite
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Thats alot of RAM I've only got 192 MB.

Anyways, you'll have to recompile your kernel with large ram support, I think. Try a kernel rebuild guide I think one's by Kwan Lowe, google it and you'll find it.
 
Old 09-03-2005, 08:30 AM   #3
imitheos
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Re: 16GB RAM -Kerbel support

Quote:
Originally posted by niranjan_mr
Dear all

I would like to have 16GB RAM, and linux running on it, i would like to know
which Linux distribution and kernel version supports 16gb RAM, which HARDWARE , ie 32bit, or 64bit server should be employed. Please Suggest me.

Redhat Distrbution which supports 16GB RAM or any other distribution ?
Whether to use 32bit or 64 bit which support 16gb RAM.

Regards
Niranjan
The support is in the kernel not in the distribution
Linux kernels have 3 options regarding RAM
Lowmem (x<1GB)
Highmem (1GB<x<4GB)
Highmem64 (4GB<x<64GB)

The option you want is "CONFIG_HIGHMEM64G"

Maybe i am wrong but a 32bit processor can access only 2^32 = 4GB memory, so you nead a 64bit processor.
The only boards i have seen that support that amount of ram is Tyan with AMD opteron. (The cost is the same as 1 ferrari though)

Why do you want so much ram ?
 
Old 09-03-2005, 10:00 AM   #4
addy86
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Re: Re: 16GB RAM -Kerbel support

Quote:
Originally posted by imitheos
The only boards i have seen that support that amount of ram is Tyan with AMD opteron. (The cost is the same as 1 ferrari though)
Well, maybe a model Ferrari...
 
Old 09-04-2005, 01:09 AM   #5
ampex189
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let me guess, you're not making a mini-pc :P

From what Ive found, you are probably looking for a Landmark MB, they have a range of them that have 8 DIMM, all of which support upto a max of 16GB. These are dual Opteron processor MB's. They also will fit into a 21" tall e-atx case (conviently also made by Landmark). And as imitheos said, you will need 64-bit processors (32-bit processors can only access 4096MB of ram).

As you may have guessed, the system you are looking to build is NOT going to be cheap. I did a quick little price out and it was $6500 Canadian for the MB, cpu's, and ram alone.

I hope this helps.
Ampex189


Just out of curiosity, what is it that you require 16GB of ram for??

Last edited by ampex189; 09-04-2005 at 01:22 AM.
 
Old 09-04-2005, 01:17 PM   #6
johndavid
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wow what could you possible need that much ram for? i have like 2.5 gigs and i havent had any probs?
 
Old 09-05-2005, 04:19 AM   #7
imitheos
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Yes landmark is good choice too.
I forgot that one

ampex189 check this http://www.tyan.com/products/html/thunderk8qsdpro.html also )
it supports 4 cpus and 64gb ram

Let me come to my original point though.
niranjan_mr what do you want this machine for ?

I have 1gb ram and scsi disks and my machine rulez

For example you can build 2 pc with 2gb ram each and make them a cluster and still it will be cheaper.
I think this pc will be very expensive for what it will give.

But it's your call
 
Old 09-05-2005, 05:14 AM   #8
ampex189
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whoa!!! me want! me want! *slurp* I swear Im not druelling

Ampex189

Last edited by ampex189; 09-05-2005 at 05:17 AM.
 
  


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