Tom's Hardware > Forum > Overclocking > Intel > Help with OC'ing Q9550/Rampage Formula

Help with OC'ing Q9550/Rampage Formula

Forum Overclocking : Intel - Help with OC'ing Q9550/Rampage Formula

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phytoplankton   11-01-2009 at 06:59:27 PM

I'm still rather confused about what changes I have to make to the default BIOS. I'm using watercooling for my CPU (and GPU) so I don't worry about heat to much.

So far I've got:
- FSB speed
- CPU external clock multiplier
- Memory timing

Intel Core 2 Quad Q9550 Yorkfield 2.83GHz 12MB L2 Cache LGA 775 95W Quad-Core Processor
http://i38.tinypic.com/2vm6kyg.jpg

ASUS RAMPAGE FORMULA LGA 775 Intel X48 ATX Intel Motherboard
http://i37.tinypic.com/b3q1bb.jpg

Mushkin Enhanced Blackline 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400) Dual Channel Kit Desktop Memory Model 996580
http://i33.tinypic.com/2vkgd3a.jpg

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phytoplankton   11-01-2009 at 07:18:23 PM
- 0 +

Allow me to think out loud here

FSB: I have DDR2 800 Dual Channel RAM so I should run up to 400 MHz FSB whilst the MoBo supports 400 MHz (=1600/4), the CPU is set to 333 MHz (=1333/4) as standart but should run 400 MHz just fine

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phytoplankton   11-01-2009 at 07:38:01 PM
- 0 +

The CPU external clock multiplier is locked at 8.5 so if I'm going beyond 8.5 x 400 MHZ = 3.4 GHz I'll have to push the FSB beyond 400 MHZ

Reply to phytoplankton
phytoplankton   11-01-2009 at 09:54:31 PM
- 0 +

So I checked the BIOS and it lets me choose a FSB from 200-800 MHz but I can't choose the voltage. Is the voltage regulated automatically to meet the power needs of the system settings or am I missing something?

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