Intel's apparantly is preparing a hardware update for its P55 Express chipset, currently the only motherboard chipset for socket LGA-1156 processors. The new B3 stepping of the P55 PCH will bring:
- New MM number and S-spec numbers for the converted products;
- Firmware and minor BIOS updates are required with the conversion;
- Processor MRC/microcode update required to enable future processors;
- Recommended storage driver upgrade from Intel MSM 8.9 to Intel RST 9.5.
Although it is listed that the MRC update enables 'future processors', Intel, in a statement issued to X-bit labs assured that the current B2 stepping of the chipset (found on current socket LGA-1156 motherboards) does not leave out support for any of Intel's new LGA-1156 processors that are slated for release in the very near future.
Dual-core "Clarkale" 32 nm processors will be supported by both B2 and B3 steppings of the chipset.
P55 B3 stepping is pin-identical to P55 B2, and hence motherboard vendors will not have to come up with new designs. Sampling of the new stepping began as early as on October 02, 2009, and it is scheduled for shipment to manufacturers by the 7th of December, 2009. P55 is the performance core-logic for the LGA-1156 platform. It supports Core i5 and Core i7 "Lynnfield" processors with discrete graphics [via tpu].
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