help: ram modulkes problem with XP1000

[RJ45]

problem solved.
they must be installed in interleaved mode...
sorry for disturbing the list.
Actually this was written in 
ftp://ftp.freebsd.org/pub/FreeBSD/releases/alpha/5.2-RELEASE/HARDWARE.HTM

Rick


On Wed, 17 Mar 2004, RJ45 wrote:

> 
> sorry for the off topic not NetBSD related question...
> 
> I have purchased 4 RAM modules last week from Crucial.
> 4x256MB 168 pin DIMM SDRAM PC100 ECC to install them on a Compaq XP1000
> machine.
> 
> I Removed from my machine the 8X64MB I had and installed the 4x256MB new
> modules.
> 
> RAM does not work, when machine starts it keeps beeping like if no RAM
> were present. I Tryed to add the 4 old RAM modules in the 4 left empty
> sockets.
> Thus 4x256MB + 4x64MB but same does not work.
> It works only with the old RAM and with all the 8 sockets filled.
> The old RAM filling 4 sockets does not work as well.
> BAsically I am not able to make XP1000 work with less than 8 modules
> loaded....
> Do I need to have all the sockets filled with same modules capacity ??
> IT looks weird....
> Do I need to reset something in the SRM before installing new ram ?
> 
> 
> any hints ? 
> 
> thanks
> 
> Rick
> 
> 
> 
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