支持最高的CPU参数如下

不过当前已经是720QM了，就算换成920XM，投入的成本和换来的性能的提升并不成比例，还是不推荐更换了。

Intel Quad-Core ProcessorsIntel Core i7-920XM Processor Extreme Edition (2.00 GHz, 8 MB L3 cache)*??Up to 3.20 GHz with Intel Turbo Boost TechnologyIntel Core i7-840QM Processor (1.86 GHz, 8 MB L3 cache)*??Up to 3.20 GHz with Intel Turbo Boost TechnologyIntel Core i7-820QM Processor (1.73 GHz, 8 MB L3 cache)*??Up to 3.06 GHz with Intel Turbo Boost TechnologyIntel Core i7-720QM Processor (1.60 GHz, 6 MB L3 cache)*??Up to 2.8 GHz with Intel Turbo Boost TechnologyIntel Dual-Core ProcessorsIntel Core i7-640M Processor (2.80 GHz, 4 MB L3 cache)*???Up to 3.46 GHz with Intel Turbo Boost TechnologyIntel Core i7-620M Processor (2.66 GHz, 4 MB L3 cache)*??Up to 3.33 GHz with Intel Turbo Boost TechnologyIntel Core i5-580M Processor (2.66 GHz, 3 MB L3 cache)*???Up to 3.33 GHz with Intel Turbo Boost TechnologyIntel Core i5-560M Processor (2.66 GHz, 3 MB L3 cache)*???Up to 3.20 GHz with Intel Turbo Boost TechnologyIntel Core i5-540M Processor (2.53 GHz, 3 MB L3 cache)*??Up to 3.06 GHz with Intel Turbo Boost TechnologyIntel Core i5-520M Processor (2.4 GHz, 3 MB L3 cache)*??Up to 2.93 GHz with Intel Turbo Boost Technology