poweredge 2650 tec specs

Thomas Petersen tomp at securityminded.net
Wed Oct 1 20:04:00 CDT 2003

According to the crucial website http://www.crucial.com the 2650 has 3 banks
of 2.  According to the dell web site
http://docs.us.dell.com/docs/systems/pe2650/en/sm/remove.htm#1047075 "You
must install memory modules in matched pairs."  Crucial lists the RAM for
the 533mHz bus as PC2100 . CL=2.5 . ECC . Registered and DDR PC1600 . CL=2 .
ECC . Registered for the 400mHz bus.

Thomas Petersen
::: SecurityMinded Technologies :::

On the web @ http://www.securityminded.net

>>-----Original Message-----
>>From: jason andrade [mailto:jason at rtfmconsult.com] 
>>Sent: Wednesday, October 01, 2003 8:14 PM
>>To: Christian
>>Cc: linux-poweredge at dell.com
>>Subject: Re: poweredge 2650 tec specs
>>On Wed, 1 Oct 2003, Christian wrote:
>>> Hello,
>>> Can anyone tell me the specifications of the PE2650 memory? 
>>I gather 
>>> it has 3 slots that will take a max of 4gb RAM in each, 
>>taking it to a 
>>> physical maximum of 12gb.
>>the 2650 has 6 slots for DDR dimms.  it was originally 
>>specified to have 6 * 1G dimms for 6G of memory but with the 
>>release of the 2G dimms can now take 12G of ram.  i don't 
>>think you have to install memory in pairs to make up a bank 
>>(can someone correct me here?) but you may get better 
>>performance through interleaving if you do.  it is identified 
>>as having 3 banks (e.g 2 slots per bank) of memory.
>>you can also configure memory with 'sparebank' for extra 
>>redundancy. i understand that this should allow you to 
>>survive some memory failures transparently to the OS - but i 
>>haven't used this myself and don't know how well it works in practice.
>>> What type of memory does it take? or which type is best?
>>200Mhz ECC DDR dimms.  i don't think there's a 'best' type - you just
>>have to get memory that will work in it.   if you have a newer 2650
>>you may need to purchase 266Mhz dimms to deal with the 533Mhz 
>>FSB but i don't know if this is mandatory.  it may be needed 
>>to get the best speed out of the system but it probably 
>>allows the memory bus and the system bus to run at independant speeds.
>>> And also, is there a way in linux I can probe the slots for what is 
>>> currently installed in there, without having to take it down and 
>>> apart?
>>cat /proc/pci
>>alternately you can install Open Manager Server Administrator 
>>which is will give you a lot of other useful information as 
>>well as telling you what is in which PCI slot.
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