Frequent ubuntu "freezes" after RAM upgrade

[accessys at smart.net]

have you tried removing one of the card s and seeing how it ran with 2gb 
rather than 3gb??

Bob

On Sat, 26 Dec 2009, Andrea Fortino wrote:

> Date: Sat, 26 Dec 2009 19:27:41 +0100
> From: Andrea Fortino <andreas.fortino at gmail.com>
> Reply-To: "Ubuntu user technical support, not for general discussions"
>     <ubuntu-users at lists.ubuntu.com>
> To: ubuntu-users at lists.ubuntu.com
> Subject: Frequent ubuntu "freezes" after RAM upgrade
> 
> Hi,
> I've got a quite old pc with ubuntu 8.04 (32 bit). CPU 2,6GHz, GeForce
> FX 5200 128MB, motherboard Via P4PB 400 with 3 RAM slots, each one with
> 512 GB (tot 1,5 GB). Swap partition size is circa 1,5 GB. Checked on
> internet, max RAM size is 3GB:
> http://www.motherboard.cz/mb/via/p4pb_400.htm
>
> So I just buyed three RAM blocks (DIMM, each one 1 GB).
>
> BIOS can read all of 3 GB, but ubuntu often "freezes" after some minutes
> of work. So I try ubuntu memory test (option from GRUB menu). Test #5
> ("block move, 64 moves") reports numerous errors. Retried memory test,
> with only 2 GB (checked every possible combination of 3 blocks): no
> errors found. So all 3 RAM blocks are ok, I think.
>
> Then I decide, not so hopefully, to upgrade BIOS:
> http://www.via.com.tw/en/products/mainboards/others/p4pb_400.jsp
> No changes.
>
> As last attempt, I install 2.6.24-26-server kernel. Again, no changes
> (ubuntu still freezes after few minutes of uptime)
>
> What do you think? Any solutions?
>
> Thank you in advance! :-)
>
> Ciao,
> Andrea
>
>
>
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