System lockup problem with 7G of memory and PAE kernel - FC7

[Cokey]

R. G. Newbury wrote:
> Re: System lockup problem with 7G of memory and PAE kernel - FC7
> 
>  On Wed, 2007-08-29 at 10:00 +0800, Ed Greshko wrote:
>  > > Can you try with 6G of memory?  I've not known many MB's or BIOS to
>  > > work well with odd numbers.   :-)
> 
>  > While I can see some value in trying a different amount, I'd be
>  > surprised at "7 being an odd number," being the issue.  It's not going
>  > to be exactly 7,000,000,000, it'll be a rounded figure.
> 
> It is most likely due to a mismatch of memory sticks. Most motherboards 
> seem to have particular requirements about filling the memory slots with 
>  memory. And you must have a 'balanced' setup with matched amounts in 
> the lower numbered slots.
> 
> DDR2 is even worse. I don't think you can do DDR2 with an odd number of 
> memory sticks. Which leads to the question of how did you get 7Gig of 
> RAM. I didn't think that 4Gig ram modules were available yet, which 
> imply you have 3 times 2G plus 1G in modules. And the MB does not like 
> the fact that you have 2G in slot 3 and 1G in slot 4.
> 
> Try with 6G (3x2) and 5 (2x2+1)...5G *may* work since there would be 
> nothing in slot 4 to cause a problem.
> 
> 
> Geoff
> 
> 
> Tux says:  Be regular. Eat Cron flakes.
> 
> 
> 
The board is a Tyan server board with 8 slots 2 sets of 4 so... 3 x 1 g 
+ 1 x 1/2 G in each group.  Note that M$ had no problem with the memory 
nor the memory test from the install CD.

Cokey

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