R710 memory upgrade issues

Question

Hello readers, I've been struggling with a memory upgrade on our Dell R710 for a couple a days. It currently has 8GB of RAM which I want to extend more RAM. The current memory layout in the server is as following: DIMM_BANK_A_SLOT_1 DIMM_BANK_A_SLOT_4 DIMM_BANK_A_SLOT_7 DIMM_BANK_A_SLOT_2 - 2GB ELPIDA 2Rx8 PC3-8500 R DDR3 1066MHz ECC Registered dual rank RDIMM DIMM_BANK_A_SLOT_5 DIMM_BANK_A_SLOT_8 DIMM_BANK_A_SLOT_3 - 2GB ELPIDA 2Rx8 PC3-8500 R DDR3 1066MHz ECC Registered dual rank RDIMM DIMM_BANK_A_SLOT_6 DIMM_BANK_A_SLOT_9   DIMM_BANK_B_SLOT_1 DIMM_BANK_B_SLOT_4 DIMM_BANK_B_SLOT_7 DIMM_BANK_B_SLOT_2 - 2GB ELPIDA 2Rx8 PC3-8500 R DDR3 1066MHz ECC Registered dual rank RDIMM DIMM_BANK_B_SLOT_5 DIMM_BANK_B_SLOT_8 DIMM_BANK_B_SLOT_3 - 2GB ELPIDA 2Rx8 PC3-8500 R DDR3 1066MHz ECC Registered dual rank RDIMM DIMM_BANK_B_SLOT_6 DIMM_BANK_B_SLOT_9   I've bought 2 RDIMM's from Dell (2GB Samsung 2Rx8 PC3-10500 R RDIMM) to expand the memory. In which way will this fit into the server? With every configuration I try (it's in Advanced ECC now as stated in the BIOS) the server doesn't boot and says on the little screen the memory is wrongly installed. I tried the optimizer layout (and changed this in the BIOS too), but still no effect!   Please help.

JOHNADCO · Accepted Answer

support.dell.com/.../HOM.pdf

Man.. Starts on like page 129.

I'd think if you tried everything, maybe the existing ram is UDIMMs?

All sorts of rules on these. I was surprised reading the manual I linked to here. Dual -vs- single ranked? ect..ect...

Dev Mgr · Answer

I would recommend to put those DIMMs in slots 1 for both processors.

Thijs_W · Answer

Thanks for your reply Dev Mgr. I already tried that though, despite the effect was the same. The server reported back to me with a memory configuration issue and wouldn't boot.

Masudul Haque R · Answer

Hello,

I think u have to at first set in BIOS in memory setting-> Optimized mode. Then shutdown the server after that plug in the RAM in both DIMM slot no 1 as Dev Mgr suggested. The power up the server.

As i see ur memory configuration is in Advaced ECC mode.

Thanks

Thijs_W · Answer

It turned out the memory in the server was UDIMM, they won't mix with my orderded RDIMM modules so I've returned it to Dell to swap it for UDIMM. Thanks all for your patience and replies!

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