Group Forms to Drive NVDIMM Adoption | EE Times

English: flash memory
English: flash memory (Photo credit: Wikipedia)

As NAND flash is supplemented over the next few years by new technologies with improved durability and the same performance as system memory, “we’ll be able to start thinking about building systems where memory and storage are combined into one entity,” he said. “This is the megachange to computer architecture that SNIA is looking at now and preparing the industry for when these new technologies happen.”

via Group Forms to Drive NVDIMM Adoption | EE Times.

More good news on the Ultradimm, non-volatile DIMM front, a group is forming to begin setting standards for a new form factor. To day SanDisk  are the only company known to have architected and manufactured a shipping non-volatile DIMM memory product and then under contract only to IBM for the X 6 Intel-based server line. SanDisk is not shipping this or under contract to make this to anyone else by all reports, but that’s not keeping its competitors from getting a new product into heavy sample and QA testing. We might begin seeing a rush of different products, with varying interconnects and form factors all of which claim to plug-in to a typical RAM DIMM slot on an Intel based motherboard. But as the article on the IBM Ultradimm indicates this isn’t simple 1:1 swap out of DIMMs for Ultradimms. You need heavy lifting and revisions done on firmware/bios level to take advantage of the Ultradimms populating your DIMM slots on the motherboard. This is not easy, nor is it cheap and as far as OS support goes, you may need to see if your OS of choice will also help speed the plow by doing caching, loading and storing of memory differently once it’s become “aware” of the Ultradimms on the motherboard.

Without the OS and firmware support you would be wasting your valuable money and time trying to get a real boost of using the Ultradimms off the shelf in your own randomly chosen Intel based servers. IBM’s X6 line is just hitting the market and has been sampled by some heavy hitting real-time financial trading data centers to double-check that claims made about speed and performance. IBM’s used this period to really make sure the product makes a difference worth whatever they plan on charging as a premium for the Ultradimm on customized orders for the X6. But knowing further down the line a group is at least attempting to organize and set standards means this can become a competitive market for a new memory form factor and EVERYONE may eventually be able to buy something like an Ultradimm if they need it for their data center server farm. It’s too early to tell where this will lead, but re-using the JEDEC DIMM connection interface is a good start. If Intel wanted to help accelerate this, their onboard memory controllers could also become less DRAM specific and more generalized as a memory controller for anything plugged into the DIMM slots on the motherboard. That might prove the final step in really opening the market for a wave of Ultradimm designers and manufacturers. Keep an eye on Intel and see where their chipset architecture and more specifically their memory controller road maps lead for future support of NVDIMM or similar technologies.


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