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  #1  
Old 01-06-2008, 01:33 PM
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Default Unstable: ASUS P5N-T Deluxe w/ TWIN2X2048-6400C3DF

I have put together my ASUS P5N-T Deluxe System with the TWIN2X2048-6400C3DF.

I cannot get the system to run stable with 3-4-3-9 timings @ ~2.4V. The ASUS utility says I am running the memory at over 2.5V though.
Should I believe the BIOS or the ASUS Probe?

At 4-4-4-12 timings, it runs fine.

Here is my setup:
ASUS P5N-T Deluxe 780i Motherboard
Intel Q6600 Quad Core
TWIN2X2048-6400C3DF
EVGA 8800GT Superclocked (650/1900) PCIe2.0
Western Digital 750GB RE2
Enermax Infiniti 650W EPS12V Power Supply

Any thoughts?

Thanks,
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Old 01-07-2008, 11:27 AM
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Default

I spoke too soon, 4-4-4-12 is not working either.
I am still having problems with stability, but this seems the best so far:

3-4-3-9, 2T Timings, Trc = 22.
2.25V in BIOS (Appears as 2.35V in ASUS AI Suite)

Any other thoughts on how I can get this more stable?

My stability result is always the same, a hard hang, no blue screen, just frozen.

It happens anywhere from bootup, to hours later. During both heavy and light loads.
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Old 01-07-2008, 11:43 AM
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Okay, when I get home I will try this, let me know if its a good idea:

ASUS AI: Standard
- All Memory Settings: Auto
nVidia GPU Ex: Enabled
nVidia SLI-Ready: Expert

That should auto-configure the system for the EPP SPD settings, correct?

Has this worked for other 680i/780i boards, or is this an issue?
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  #4  
Old 01-07-2008, 09:37 PM
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I would set the memory Voltage to 2.4 Volts and set the command Rate to 2t and set SLI ready memory to CPU 0% and disable legacy USB and then test with www.memtest.org.
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Old 01-07-2008, 09:43 PM
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I am actually running this with no problems so far:

ASUS AI: Standard (I would like to set to Auto)
- All Memory Settings: Auto
nVidia SLI-Ready: 0% OC

Do I really have to force to 2T/2.4V with SLI-Ready set? How do I know what the BIOS is doing? How do I know which settings they are really running at?

According to the ASUS AI Suite, the memory is running at 1.85V (not that I really believe it)

Didn't touch Legacy USB, why would that make a difference?
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  #6  
Old 01-07-2008, 09:48 PM
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If the system is stable then leave it where its at.
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