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Upgrade Memory on R710 (channel question)
I have a R710 server that I need to add more memory to. It has 72 GB of memory now (6x8GB and 6x4GB) with 2 CPU sockets. I read that it has 3 channels per CPU so I believe each channel has one 8GB module and 4GB module.
Can I upgrade the memory and put a single additional 8GB module in channel 1 for each cpu without adding memory to channel 2 and 3?
So channel 1 has
2x8GB + 1x4GB
while channel 2, and 3 have
1x8GB + 1x4GB
Would this be a valid memory configuration and that the server should boot no problem?
DELL-Josh Cr
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May 24th, 2013 09:00
Yes that would work. Have slots 1,2 and 3 with 8 GB DIMMs and the rest of the slots have 4GB.
GC158
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May 24th, 2013 09:00
So I should buy 6x 4GB dims instead and each channel on both cpu would have 1x8GB and 2x4GB?
DELL-Josh Cr
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May 24th, 2013 09:00
Hi GC158,
On the R710 the memory channels have to match in order for it to be a valid configuration and not give an error during POST. So you will need to add more DIMMs to make it a valid configuration.
ftp.dell.com/.../poweredge-r710_Owner%27s%20Manual_en-us.pdf
page 129 shows the memory configuration rules.
So The proper config would be:
A1,B1,A2,B2,A3,B3,A4,B4,A5,B5,A6,B6 8GB
A7,B7,A8,B8,A9,B9 4GB