Quick Verification Needed : Divider etc

Seeruk

Senior member
Nov 16, 2003
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Have some new hardware on the way:

EVGA 750i FTW mobo
XFX 9800GTX Black
Corsair HX1000w
2 x 2gb Corsair Dominator PC8500 DDR2 (1066mhz)

For the moment I am keeping my C2D E6600 CPU as I cant afford a new processor, but will eventually drop in a quad core and maybe an extra 9800 GTX when the games demand it :)

So its a good base I think, but the last time I messed with overclocking was with a 333mhx Pentium 2 :) Things like pcie and fsb dividers didnt exist back then! I dont plan to OC yet, but I have got memory that is waaaaaaayyyyyyy over the top for the FSB of the CPU (266x9), but it would be nice to get maximum benefit from the RAM.... so I just want to verify this is what I should set for running the CPU at stock (i only have stock cooling too) but maximizing the benefit of the RAM's speed.

CPU: Stock 266x9
CPU Voltage: Auto/default/whatever
RAM Divider: 1:2 which should give me 266x2x2=1066mhz
RAM voltage: Whatever is specified as default on the pack
RAM Timings: default 5-5-5-15
PCIE Freq: Lock it to 100mhz?
PCI Freq: Lock it to 33.33 mhz?

The last two are because if everything runs stable, then I will be tempted to OC the CPU seeing as how it will be replaced in a few months, only by a little, but not much, and wont want my PCIe/PCI creeping up right?

Apologies for the basic questions, but I took these settings from the excellent sticky on this board, and just want to make sure this is right.
 

ShadowFlareX

Member
May 6, 2008
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Yeah, just keep the PCIE and PCI frequency at stock, which are 100MHz and 33.33MHz respectively, don't let it on Auto, just set them manually at 100MHz and 33.33MHz. Those 2 won't creep up when you increase the FSB but it's best to make sure for them to stay locked at their stock speeds.

Just a little tip, you don't have to run the RAM way faster than the FSB, the extra RAM speed isn't noticable enough. My suggestion is to run the RAM at lower speed like 800MHz while tightening the timings to 4-4-4-12, it's a more effective that way. Or even 667MHz with even tighter timings of 3-3-3-12! But I'd prefer 800MHz.

Not much benefit to run the RAM faster than 1:1 FSB except the benchmarks. But can't hurt to leave the RAM running a little bit faster than FSB especially when you dont have to increase the RAM voltage. I love these Dominators, have 4 of them PC8500 like yours and only needing 2.0V and a little nudge on the NB voltage to run at 1080MHz. If running at 800MHz, I can lower the RAM voltage a bit to 1.9V even. They're good investment for your future Core 2's.
 

Seeruk

Senior member
Nov 16, 2003
986
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Thanks for the confirmation and the advice :)

Truth be told, I wouldnt have even got such uber sticks if they werent so damn cheap! They were like £2 more than 2x2gb of Bog-standard DDR2 6400's so what the hell :) I'll try what you say and run at 800 with tighter timings and count the days down until I can get me an uber cpu :)