tweaking your newly built PC... Monitori ...

I finally ordered parts for my first PC that I am building from scratch. I am not very familiar with how to tweak it though, I hear alot of things about overclocking and such. What parts of the PC do you overclock? The MOBO, the RAM? And I would also like to know what are the benefits of overclocking, is it harmful if you overclock to much. I also hear things about BIOS, I am not familiar with this at all, when I start up my PC for the first time (I am using Windows XP) do I have to adjust the BIOS. What are the benefits of doing this and what does it change on the computer? Any insight on this would be of great help, I would really like my computer to run great and have as little problems as possible. Thanks for the help. tweaking your newly built PC... Monitori ...
What parts you ordered?tweaking your newly built PC... Monitori ...
these are all the parts I ordered right here.AMD Phenom 9850 BLACK EDITION 2.5GHz Socket AM2+ 125W Quad-Core Processor Model HD985ZXAGHBOX - RetailAntec NeoPower 650 Blue 650W ATX12V / EPS12V SLI Certified CrossFire Ready Modular Active PFC Power Supply - RetailXCLIO A380BK Fully Black High Gloss Finish SECC 1.0mm thickness ATX Full Tower Computer Case - RetailSAMSUNG Spinpoint F1 HD322HJ 320GB 7200 RPM SATA 3.0Gb/s Hard Drive - OEMLG 20X DVD盧 DVD Burner w/ SecurDisc Tech Black SATA Model GH20NS15 - OEMOCZ Reaper HPC 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 1066 (PC2 8500) Dual Channel Kit Desktop Memory Model OCZ2RPR10664GK - RetailGIGABYTE GA-MA790GP-DS4H AM2+/AM2 AMD 790GX HDMI ATX AMD Motherboard - RetailSAPPHIRE Toxic 100225TXSR Radeon HD 3870 512MB 256-bit GDDR4 PCI Express 2.0 x16 HDCP Ready CrossFire Supported Video Card - Retailif you have any other questions feel free to ask.
Radeon 3870 isnt too good, i used to have one until it died on me. dropped an 8800GT in as a replacement and it was much better.
Not sure how well the phenom overclocks, but you'll need to enter your BIOS to change the ram voltage I think Reapers require 2.2v to operate correctly.Press 'Delete' just as your boot your computer to enter the BIOS, you should be able to find the ram voltages fairly easily. EDIT: The 3870 isn't that bad, depends on his budget or how much he paid for it.

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