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neothedarkone

Weird issue when overclocking DFI NF4 Ultra-D (SLI modded)

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What about your advanced timings? Did you try leaving LDT on 4 or AUTO? I would also see if leaving the DRAM voltage on 2.7v.

 

A quick google query of 'L&C power' led to this thread

http://www.badcaps.net/forum/showthread.php?t=1474

 

My timings are 3-3-2-8 15-18-3 200MHz @ 2.80V. LDT Bus is on 3 when I'm overclocking over 250 MHz.

 

I saw that L&C Power is LC Power so I decided to buy a Fortron Epsilon 600. Is that okay ?

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Well I'm back and have another problem : each time I put my computer in deep sleep state (s1&s3 I believe), my computer 'goes' to sleep but I'm unable to turn it on. It shuts itself almost instantly. In S1 Sleep state, it works but it is not really a deep sleep state. What should I do ?

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Hello,

 

Running this memory over 250Mhz will achieve very little.

This is what I use with my CPU running at 300X10.

 

GENIE BIOS Setting

>DRAM Configuration..................Press Enter = New Menu

FSB BUS Frequency....................300

LDT/FSB Frequency Ratio..............X 3.0

LDT BUS Transfer Width...............16 16

CPU/FSB Frequency Ratio..............x 10

PCI eXpress Frequency................100Mhz

K8 Cool 'n' Quiet Support............Disabled

Cool 'n' Quiet MAX FID...............Disabled

CPU VID StartUp Value................1.35V

 

CPU VID Control......................AUTO

CPU VID Special Control..............AUTO

LDT Voltage Control..................1.20 V

Chip Set Voltage Control.............1.50 V

DRAM Voltage Control.................2.70 V

 

Run MemTest86+.......................Enabled, disable later

GENIE BIOS Setting >DRAM Configuration

DRAM Frequency Set (MHZ).............166 (DRAM/FSB:5/06)

Command per clock (CPC)..............Enabled

Cas latency (tCL)....................3

RAS to CAS delay (tRCD)..............3

Min RAS active time (tRAS)...........5

Row precharge time (tRP).............2

Row cycle time (tRC).................09

Row refresh cycle time(tRFC).........12

Row to Row delay (tRRD)..............2

Write recovery time (tWR)............2

Write to read delay (tWTR)...........2

Read to write delay (tRWT)...........2

Refresh period (tREF)................AUTO

Write CAS latency (tWCL).............1

DRAM Bank Interleave.................Enabled

 

DQS Skew Control.....................Decrease

DQS Skew Value.......................0

DRAM Drive Strength..................Level 8

DRAM Data Drive Strength.............Level 3

Max Async Latency....................8ns

Dram Response........................Fastest

Read Preamble Time...................5ns

Idle Cycle Limit.....................AUTO

Dynamic Counter......................AUTO

R/W Queue Bypass.....................AUTO

Bypass Max...........................AUTO

32 Byte Granularity..................AUTO

 

For the standby issue, make sure Cool n Quiet is disabled.

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For the standby issue, Cool&Quiet is disabled. I disabled it when I started overclocking my Opty. And it seems my PC4000 sticks don't like to work in asynchronous mode at any voltage or FSB.

 

For the slowdowns in Vista, any ideas ?? This problem already occured with my former motherboard (Abit Av8 3rd eye) with a different Graphic Card (Nvidia 7300GT). As I said earlier, each time I try to play a game, for instance Pro Evolution Soccer 6, the game seems to slow down and after a minute or two it runs fine.

 

Another issue is that when I overclock my Opty too much (for instance 2.7GHz), there are glitches and freezes in D3D/OpenGL modes, then the game runs fine, after that glitches/freezes and so on... It was working fine at 3GHz when I used my older memory sticks (Kingston PC3200 Value 2*1GB). So are the OCZ PC4000 the real issue ???

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"It was working fine at 3GHz when I used my older memory sticks (Kingston PC3200 Value 2*1GB). So are the OCZ PC4000 the real issue ???"

 

>>>>>>>>>>>>>>>>>>>>>>>>>>>>

 

put the old stuff back in, test just to make sure....i have a feeling it is your new ram, or you haven't hit on the right memory settings....glad i have the Gskill HZ TCCD stuffs, they have been a dream since day one....

 

as far as the glitches when clocked @2.7 or more, could very well be the CPU, i have had some over the years past that clocked like mad, but had serious issues with video freaking at higher frequencies, again, luck of the draw.....

 

laterzzzz

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I tested a few days ago with my former Kingston memory and @ 2.7 GHz I didn't see any freezes while I was playing although I didn't have the time to really test it (about half an hour). When I put back my Ocz memory in my motherboard the freezes come back @ 2.7 GHz and more.

 

Also do these memory sticks support async memory speed ??

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