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nVidia/nforce experts please.

post #1 of 21
Thread Starter 
After looking at my rig stats below, I need some serious and experienced opines for the following:

I've finally taken the plunge and re-flashed my 470's to allow for ungodly voltage increases (which I do with Afterburner 2.2 beta 5). I have not changed any other specs.

1. http://3dmark.com/3dm11/1538859 is my best 3D Mark 11 score (9546). Not bad, I know. However, I'd like to know what is considered a safe voltage OC for my 470's for the purposes of well... you know!

2. I've never had much luck nailing down a good core memory. I see 1900+ with some, but to be honest, I've always guessed using others' stats because Kombustor/OCScanner/Furmark, etc. always give me better scores when I increase the memory, yet I will crash with mark 11 and UH 2.1(or 2.5) withing seconds. 1850 is the highest I've been able to go without crashing and receiving 9400+ (3D11) or 2000+ (UH2.x).

3. Assuming I take care of my own heat problems, any experienced suggestions would be welcome as to voltage increase/gpu-shader increase ratio's (and that freeeeekin memory issue!).

4. What is the relationship bxn a good cpu/gpu OC?

5. What part does NB, or most likely HT play in gpu oc'ing?

Thanks in advance.
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JCFS-XVI
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post #2 of 21
stock cooling-one card starved for cool air,i wouldnt go past 1.087v unless i wasnt planning on keeping what is a very good gpu.
overclock your cpu-nb and free up the power thats already on offer,though you may need lose a stick of ram,to balance the IMC

whats your cpu overclock?is it pure cpu mlti or fsb/cpu multi?
Lil Cutey
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post #3 of 21
Thread Starter 
cpu 17.5/fsb 230

Thanks for a quick reply. Looking for moooooore. Thanks for the tip about the ram - I've actually tipped others about the same thing!!!

Thanks.
JCFS-XVI
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JCFS-XVI
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post #4 of 21
and your cpu-nb is at what frequency?your ram is at what frequency?
ideally you should be looking the highest cpu-nb you can stabilise as your ram will take advantage of it,so the gpu's can then take advantage
dominoes!
Lil Cutey
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Lil Cutey
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post #5 of 21
Thread Starter 
Quote:
Originally Posted by MightyMission View Post
and your cpu-nb is at what frequency?your ram is at what frequency?
ideally you should be looking the highest cpu-nb you can stabilise as your ram will take advantage of it,so the gpu's can then take advantage
dominoes!
1. Did the link to my 3dmark11 score not work? I shows most of the specs I use... anyway, NB and HT are at x12, which equals 2770 each. My ram is at 1850 when the fsb is 230. The ram can handle more if you or someone else can give me some up-to-date steppings and voltage increases for my nb and ht. Right now, I keep them in auto because every time I assign them voltages, i see blue.

2. what help can my nforce 200 chip (and its voltage range) do for me?
JCFS-XVI
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JCFS-XVI
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post #6 of 21
Thread Starter 
if i take out one of my ram sticks, should i have 2gb in each channel or 4gb in one?
JCFS-XVI
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JCFS-XVI
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post #7 of 21
2gb in each,so its dual channel,performance drops in single channel,though the load is easier on the IMC.

sorry i didnt see the link because i know nothing about 3dmark,so i would be talking out of my gary if i even brought it up

your nf200 chip will be roasty toasty with no air flow getting to it,i wouldnt over volt it.
Lil Cutey
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Lil Cutey
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post #8 of 21
Thread Starter 
Clearly, you have solved the memory issue (cooling designs aside for the moment). How the hell do you get 900/2000 with 1.087?

What is the nf200 chip's purpose? Is your use of IMC what my nforce based chipset calls a MCP?

Thanks again. Taking notes.
JCFS-XVI
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JCFS-XVI
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3 X 180GB Intel 520 R0 Seagate Barracuda 2 TB XT HP bd340i Antec 620 Kuler 
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post #9 of 21
i get 900/2000 with some cold gtx 470s,very cold.
i use a waterchiller to keep my gpu's and cpu cold and silent.
it helps overclocking too.
the nf200 is a bridge chip to deliver x16 to both cpi-e lanes,instead of 16/x8 or whatever.
i say IMC as integrated memory controller,your processor has one onboard to make direct link to the ram,overclock it.do it now
MCP is your motherboards media centre processor or something.basically its a hub for the onboard devices.
Lil Cutey
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Hard DriveHard DriveHard DriveHard Drive
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Optical DriveCoolingOSMonitor
Samsung External DVD Water! Windows 8 Pro 64bit Samsung 32" HDTV 
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Sky Blue with coffee Stain! Zotac GTX 680 
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Lil Cutey
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CPUMotherboardGraphicsRAM
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Hard DriveHard DriveHard DriveHard Drive
OCZ Nocti 120GB mSATA SSD OCZ Agility 3 OCZ Agility 4 Intenso 256gb sata III 
Optical DriveCoolingOSMonitor
Samsung External DVD Water! Windows 8 Pro 64bit Samsung 32" HDTV 
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Sky Blue with coffee Stain! Zotac GTX 680 
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post #10 of 21
Thread Starter 
Quote:
Originally Posted by MightyMission View Post
i say IMC as integrated memory controller,your processor has one onboard to make direct link to the ram,overclock it.do it now
LOL!

How I didn't know I had such a thing, and my bios certainly doesn't have anything that says, "IMC."

What am I missing?
JCFS-XVI
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Logitech Z540 5.1 Speaker set 
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JCFS-XVI
(17 items)
 
  
CPUMotherboardGraphicsRAM
AMD FX-8150 Crosshair V Formula eVGA GTX 470 X 2 2X4 G. Skill Sniper Set 
Hard DriveHard DriveOptical DriveCooling
3 X 180GB Intel 520 R0 Seagate Barracuda 2 TB XT HP bd340i Antec 620 Kuler 
OSMonitorKeyboardPower
Windows 7 Professional OEM DIY Dell ST2421L Logitech K350 Wave Coolermaster 1000 
CaseMouseMouse PadAudio
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