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FSB Questions. Your help is appreciated.

post #1 of 4
Thread Starter 
Hi everyone and a good day to you all.

I recently bought a nice P45 board that supports FSB 2000 and DDR3 RAM up to 1600.

I read the manual and there are two columns:

CPU FSB Freq. | Memory Support Freq.
1600 | DDR3 800, 1066, 1333, 1600
1333 | DDR3 800, 1066, 133
1066 | DDR3 1066, 800
800 | DDR3 800

I'm getting a Q9950 and the FSB Speed from the Intel site says 1333. So does this mean I can't get a DDR3 1600 RAM? or the manual was just saying if the settings were on auto not manual.

I apologize for being a newbie and I'm just quickly learning.

So it means I can overclock the CPU to get a rated FSB of 1600 and use the 1600 RAM's right? or even if I reach the rated 2000 FSB I can still use the RAM's on 1600, right?

Thank you,
Armen
Edited by armen16 - 3/8/11 at 1:11pm
post #2 of 4
There is a thing called FSBRAM ratio.
With my FSB@437 my CPU is @3714MHz and i could run a RAM frequency of
1748MHz. (Thats an option in the BIOS) But since I got DDR3-1333 I can`t run it that high. If I had some DDR3-1600 there would be no problem running it.
My P43_manual states also that it could run DDR3-1600 and it is "designed" for 1333FSB CPUs. If you raise the FSB to 500 and run DDR3@1600MHz there should be no problems.(If you got DDR3-1600 and the mobo hast the right multiplier, mine only got wicked ones )
No need to apologize everybody was a noob, here are many nice veteran gurus (not me ) who like to help! (from what i`ve seen/read)
Edited by Mr.Eiht - 3/8/11 at 12:54pm
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CPUMotherboardGraphicsRAM
I7 3930K Asus Sabertooth Asus GTX 680 8x4GB G.Skill@1337MHz 
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2xM4 64GB/ / F3 - 1TB / 2x2TB Baracudas some LG Modified EK 360 HFX 2x(Win7 x64) 
MonitorKeyboardPowerCase
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/* Redemption*/
(14 items)
 
  
CPUMotherboardGraphicsRAM
I7 3930K Asus Sabertooth Asus GTX 680 8x4GB G.Skill@1337MHz 
Hard DriveOptical DriveCoolingOS
2xM4 64GB/ / F3 - 1TB / 2x2TB Baracudas some LG Modified EK 360 HFX 2x(Win7 x64) 
MonitorKeyboardPowerCase
SyncMaster P2770HD and SyncMaster 940NW Roccat Isku Corsair Gold AX750 NZXT 810 Switch 
MouseMouse Pad
Rocat Kone[+] Razer exactmat X 
  hide details  
Reply
post #3 of 4
I'm thinking you mean a Q9550, or a Q9650???
Yes, you will be able to get your ram up to 1600MHz, as said above, you will need to enter your bios, and use a divider setting, or ratio setting to get your memory close to 1600MHz.

If you have any problems after the new build, post back with some specific specs, (ie: motherboard-Make and model, memory-make and model.....and on).
That will give the pros here more to work with!
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Intel i7 990 extreme @ 4.2GHz ASRock X58 Extreme MSI GTX-580 lightning G.Skill Ripjaws X DDR3-2000 9-9-9-24 
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Intel 510 250Gb SSD WD RE4 250Gb x 4 Raid-0 Plextor DVR 880SA VenomousX 
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Game Killer
(17 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7 990 extreme @ 4.2GHz ASRock X58 Extreme MSI GTX-580 lightning G.Skill Ripjaws X DDR3-2000 9-9-9-24 
Hard DriveHard DriveOptical DriveCooling
Intel 510 250Gb SSD WD RE4 250Gb x 4 Raid-0 Plextor DVR 880SA VenomousX 
OSKeyboardPowerCase
W7 Razor Lycosa PC power & cooling 950 CM ATCS-840 
AudioOther
SB Xf-i Xtreme Professional, Z2300 speakers WD 1Tb external SATA II 64Mb cache HD 
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Reply
post #4 of 4
Thread Starter 
Thanks guys. I've got the motherboard but currently not using it yet till I get the Processor, RAM, Video Card and Power Supply.

Here is a review of the motherboard I'm talking about.
http://www.thinkcomputers.org/asrock...rboard-review/
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