Rumor: Core i7 Motherboards to be Incompatible with Performance DDR3 Memory

Paul Lilly

Intel's upcoming Core i7 platform may throw a curveball to anyone swinging sticks of high performance DDR memory. According to news and rumor site The Inquirer , running memory voltage any higher than a modest 1.65V on an X58-based motherboard outfitted with a Core i7 processor could damage the CPU.

The limitation came to light thanks to an admin on the XFastest forums who posted pictures of the unreleased Asus P6T Deluxe motherboard in retail trim. A closeup of the DIMM slots reveals a warning label which states "According to Intel CPU SPEC, DIMMs with voltage setting over 1.65V may damage the CPU permanently. We recommend you install the DIMMs with the voltage setting below 1.65V.

If true (and The Inq claims Asus has confirmed the limitation), it would mean that several of today's high end DDR3 memory could potentially be rendered useless on the new platform. It's not uncommon for RAM manufacturers to require higher voltages at stock settings, and even many DDR3-1333 kits call for more than 1.65V. Apparently the problem lies with having the CPU and memory voltages on the Core i7 platform run synchronously. That's a major bummer for anyone who may have tried to future-proof their current build, but if you haven't jumped on the DDR3 bandwagon yet, expect to see appropriately spec'd kits start to surface with the Core i7 platform in mind. In the meantime, buyer beware.

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