The Calpella Platform Update - Review Tom's Hardware : Mobile Core i7-920XM: Power Is The Price For Better Performance
The base model, PM55, is derived from the desktop P55 you already know from our Core i5/Core i5 Lynnfield introduction. Designed to be paired with discrete graphics, it really is the foundation on which upcoming Calpella platforms will build. As a recap, it features eight of its own PCI Express 2.0 lanes, six SATA 3 Gb/s ports, Intel HD Audio, access to as many as 14 USB 2.0 ports, and Intel’s 2MB Ignition firmware (more on firmware in just a bit).
From there, we’ll see the HM55, HM57, QS57, and QM57 chipsets emerge in 2010, all with significantly more functionality than PM55.
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