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Problems with my new build... Help!

post #1 of 7
Thread Starter 
Hello Overclock.net team,

A good friend of mine referred me to this site, and he says you guys are the best. I'm going to trust him on this one.

I just built a new PC to replace the computer I built about 4 years ago. I'm replacing an old Abit AG8/P4/DDR build in favor of this one:

Q6600 G0 Quad Core
Striker II Formula
2x2gb OCZ Reaper 1066mhz
750w Coolermaster PSU
PNY 8800 GTS 512
Vista 64 bit ultimate

However, Im running into a few issues and concerns I have. It seems a lot has changed in the overclocking world since my last build. The concepts of 'linked' and 'unlinked' are foreign to me (although I think I understand them now).

In the 'good old days', I ran my P4/DDR ram in a 1:1 ratio, and I never had any problems. Now, I'm a little confused as to why CPUZ continually shows an FSB of 1:2 with my Ram running 533mhz and the cpu running 1066. Why am I not running 1:1 like I told it? Why is CPUZ reporting 533mhz for my DDR2 instead of 1066/1066? Forgive my ignorance, I have done an adequate amount of searching and havent found a concrete answer. Could someone point me to a good explanation why my mobo continues to stop me from running 1:1?

I'm also having issues with networking and the 'nvlddmkm' driver not responding issue. However, these will go in the appropriate forums.

Thank you!

-Dash

EDIT: Also, I noticed that under Linked mode in the bios, I have the options 1:1, 5:4, 3:2 and SYNC MODE. What is sync mode? If I run in Sync mode, I get a 1:2 ratio. Is this what I want for best performance? I dont care about massively overclocking my Q6600... ive found in the past that having a 1:1 ratio with a lower CPU clock works better for me.
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Outrider
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post #2 of 7
As far as the memory running at 533 instead of 1066, it is dual pathway so you are transfereing data both ways on up/down cycle for an effective rate of 1066. That CPU will probably show a FSB of 1066, which is 266x4.
So that is why you are seeing 1:2 266cpu/533mem. Depending on which q6600 you have you could increase the FSB and downclock the mem to run in a 1:1 ratio but , I have limited experience with that board, I am sure there is a guide somewhere around here.

Good Luck
Nazzzcar
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Taus
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post #3 of 7
Thread Starter 
Wait... so the memory is actually clocked faster than the CPU?? This seems like a weird concept to me, as my old mobo i used 1:1 and the CPU and ram both were 800mhz. Unless I've been confused all along. Am I incorrect in my assumptions?
Outrider
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Outrider
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post #4 of 7
The FSB of the CPU is "quad-pumped". It actually runs at 266MHz but it performs as fast as an older CPU that's clocked to 1066MHz FSB, or at least that's the marketing gimmick.

The memory is DDR2, or double-data rate 2. It transfers data both on the rise and fall of the signal, so although it's running at 533MHz it performs as well (in theory) as old SDRAM operating at 1066MHz.

You have conflicting info in your post that I'd like to get cleared up. You said you have the ratio set to 1:2, and you also say you have it set to 1:1. Please post a screenshot of the CPU and Memory tabs in CPU-Z please so we can verify you're actually at 1:2.

You can overclock your rig to raise the FSB of the CPU then set the memory to run at 1:1 and you'll get great performance. The Q6600 G0 stepping should hit about 3.6GHz, or roughly 450MHz FSB x 8. You can then set your memory to run at 1:1, making it run at 450MHz too, or DDR2 900. You can likely get 4-4-4-12 timings at that speed.
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White Whale
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post #5 of 7
Thread Starter 
Durch,

So what you're saying is that if I was truly running 1:1 at 1066mhz, my fsb should be 266mhz and the memory 533mhz in CPUZ? 266x4 = 1066 and 533x2 = 1066?

Heres a screenshot of CPUZ with the motherboard set in '1:1' at 1066 (Linked). What are your thoughts Durch?

EDIT: Sorry about the confusion, but I have it set to 1:1 in the bios, but CPUZ reports a 1:2 ratio when I enter windows. This is where I'm confused.





Quote:
Originally Posted by durch View Post
The FSB of the CPU is "quad-pumped". It actually runs at 266MHz but it performs as fast as an older CPU that's clocked to 1066MHz FSB, or at least that's the marketing gimmick.

The memory is DDR2, or double-data rate 2. It transfers data both on the rise and fall of the signal, so although it's running at 533MHz it performs as well (in theory) as old SDRAM operating at 1066MHz.

You have conflicting info in your post that I'd like to get cleared up. You said you have the ratio set to 1:2, and you also say you have it set to 1:1. Please post a screenshot of the CPU and Memory tabs in CPU-Z please so we can verify you're actually at 1:2.

You can overclock your rig to raise the FSB of the CPU then set the memory to run at 1:1 and you'll get great performance. The Q6600 G0 stepping should hit about 3.6GHz, or roughly 450MHz FSB x 8. You can then set your memory to run at 1:1, making it run at 450MHz too, or DDR2 900. You can likely get 4-4-4-12 timings at that speed.


Outrider
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CPUMotherboardGraphicsRAM
Q6600 Asus Maximus Formula PNY 8800GTS 512 OCZ Reaper 2x2gb 1066mhz 
Hard DriveOSPower
150gb Raptor Vista x64 Ultimate Coolermaster 750w 
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Outrider
(13 items)
 
  
CPUMotherboardGraphicsRAM
Q6600 Asus Maximus Formula PNY 8800GTS 512 OCZ Reaper 2x2gb 1066mhz 
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post #6 of 7
Ok, on the CPU tab, "Bus Speed" is the actual speed of the FSB of the CPU, which is 266MHz. The FSB is "quad-pumped" so that's why it reports 1066MHz "Rated FSB". On the memory tab, "DRAM Frequency" is the actual frequency of the memory, in this case 533MHz. DDR and DDR2 are Double-Data Rate, so that actual frequency is doubled. So your memory running at 533MHz is the same thing as DDR2 1066.

So your memory is indeed running at 1:2, since the CPU is 266MHz and the memory is 533MHz. If you have a digital camera, take a picture of the BIOS where you set it to 1:1, there must be something wrong there. Are you sure you're pressing F10 to Save & Exit? Are you sure you have the memory linked?

If you're not overclocking the CPU, then leaving it on a 1:2 ratio should give you the best performance. Intel systems benefit more from higher memory frequencies. If you set it to 1:1 and did not overclock the CPU, your memory would be running at 266MHz, or DDR2 533. You could probably tighten timings to something like 3-3-3-8-1T, but Intel usually performs better at the higher speeds even though timings need to be loosened some.

As I said earlier, if you do overclock, I'm willing to bet you can push the CPU to 3.6GHz (with proper cooling) by setting the FSB to 450MHz and the CPU multiplier to 8x. You could then run the memory 1:1 giving you DDR2 900 speeds and most likely tighten timings to 4-4-4-12-2T. That should give you very nice performance.

EDIT: It will be easier for us to help you more if you fill out your system specs here. That way, your system information will appear in your signature for each and every post.
White Whale
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White Whale
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post #7 of 7
Thread Starter 
Durch,

I appreciate the help. I understand why its running 1:2 now.

I really dont want to push the Q6600 that hard, even though I know I could. But I understand now thats what I'd have to do to truly run '1:1'. But if the intels like the 1:2 ratio, then im happy with it. Ill just overclock them both until the memory cant handle it, and leave it at that.

Actually, I do have a question. The ASUS product page for my mobo says something like, "DDR2 1066 when running at FSB1333". Does this mean I would have to use a divider such as 5:4 to accomplish this? Optimally, I wanted the CPU running about 1333mhz effective and the ram 1066mhz effective. Would this offer more performance than my current stock setting of 1:2? I feel like Im asking noob questions, so do you have a doc you could point me toward?

Thanks much,

Matt

Quote:
Originally Posted by durch View Post
Ok, on the CPU tab, "Bus Speed" is the actual speed of the FSB of the CPU, which is 266MHz. The FSB is "quad-pumped" so that's why it reports 1066MHz "Rated FSB". On the memory tab, "DRAM Frequency" is the actual frequency of the memory, in this case 533MHz. DDR and DDR2 are Double-Data Rate, so that actual frequency is doubled. So your memory running at 533MHz is the same thing as DDR2 1066.

So your memory is indeed running at 1:2, since the CPU is 266MHz and the memory is 533MHz. If you have a digital camera, take a picture of the BIOS where you set it to 1:1, there must be something wrong there. Are you sure you're pressing F10 to Save & Exit? Are you sure you have the memory linked?

If you're not overclocking the CPU, then leaving it on a 1:2 ratio should give you the best performance. Intel systems benefit more from higher memory frequencies. If you set it to 1:1 and did not overclock the CPU, your memory would be running at 266MHz, or DDR2 533. You could probably tighten timings to something like 3-3-3-8-1T, but Intel usually performs better at the higher speeds even though timings need to be loosened some.

As I said earlier, if you do overclock, I'm willing to bet you can push the CPU to 3.6GHz (with proper cooling) by setting the FSB to 450MHz and the CPU multiplier to 8x. You could then run the memory 1:1 giving you DDR2 900 speeds and most likely tighten timings to 4-4-4-12-2T. That should give you very nice performance.

EDIT: It will be easier for us to help you more if you fill out your system specs here. That way, your system information will appear in your signature for each and every post.
Outrider
(13 items)
 
  
CPUMotherboardGraphicsRAM
Q6600 Asus Maximus Formula PNY 8800GTS 512 OCZ Reaper 2x2gb 1066mhz 
Hard DriveOSPower
150gb Raptor Vista x64 Ultimate Coolermaster 750w 
  hide details  
Reply
Outrider
(13 items)
 
  
CPUMotherboardGraphicsRAM
Q6600 Asus Maximus Formula PNY 8800GTS 512 OCZ Reaper 2x2gb 1066mhz 
Hard DriveOSPower
150gb Raptor Vista x64 Ultimate Coolermaster 750w 
  hide details  
Reply
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