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Hello, I'm pretty new to overlocking and have some general questions: First of all "How do I overlock" my M14x R2? I have a i5 CPU and a GT650M. For the graphics card it's pretty easy using MSI afterburner or the NVidia Control Panel (with the installed Performance addon) but for the CPU I don't really get the BIOS Settings. I've seen on old Alienwares there was an "OverClock" feature which could be only on or off - with no further settings - but on my (A09 - for windows 8) BIOS to me it only seems that I can change some BUS Hz and memory clocks but not "straight forward" the CPU speed. Before some may say "don't do it then" - I just want to slightly improve the game performance for some games like Dark Souls where I get huge frame drops too 10fps...
Dell released BIOS revision A09 for the Alienware M17x R3. Under "fixes and enhancements" it says So it seems they have done something similar to the BIOS as with the most recent M14x BIOS, this might result in lower SSD speeds. It has been said that Dell changed the BIOS so that it really applies to the SATA 3 specifications, with the result that some SSDs don't completely adhere to these specs might now run at SATA II speeds. Firmware updates of the SSD vendors might fix this. SSD manufacturers will probably say that the controller on the motherboard is the issue and not the SSD itself... I have no idea what is actually true, fact is that the SATA 3 didn't get removed, it still works with some drives. Anyway, I recommend everyone to use this BIOS since the SATA "enhancement" or whatever you want to call this is certainly not the single change in there. Dell always fixes a lot of other small bugs and improves the BIOS, expect this to be true for this revision as well. Download link: M17x R3 BIOS A09