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Sparx

My third try at NF4 Ultra D with less success ever

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My second Ultra D week’s back gave me issues where it would not complete BOOT and got into the BOOT Loop cycle. Thread regarding previous board.

 

Now I have a new NF4 Ultra D with a brand new pair of G.skill RAM 4400 LE and I have worse problems.

 

The board (revision A00 made in Taiwan on box) came with 1/25 BIOS and I have not flashed yet, too unstable.

 

I set up the board with one stick of RAM in slot #2. Set Optimized Defaults used a freshly installed Ghost image of Windows XP with nothing other than OS present.

 

I moved up to 220 x 10 installed the board drivers and Nvidia video drivers after getting it to BOOT with both stick of G.Skill.

 

But now I cannot get the board to BOOT any higher than 225 x10!

 

Ram timings:

200-enabled-2.5-4-8-3-7-17-3-2-2-3-3120-01-enabled ... auto-0-Level8-Level4-auto-auto-auto-Disabled-auto-auto-4bursts

 

These are the timings I used in the past builds.

 

I am using 1.60- 1.69 volts on the CPU and 2.7 -3.0 volts on the RAM with the same results test all combinations. Stock voltage on LDT and chipset.

 

When BOOT is attempted I get a blinking cursor at the base of the screen or it gets up to the Windows logo and reboots.

 

Bad CPU?

 

sparx

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With a VOM I checked my voltage system running:

 

12.26

5.25

3.396

 

I also attempted to BOOT with one stick of RAM in slot #2 and neither will BOOT the machine individually.

 

Right now I can BOOT 225 x 10 with timings listed in first post using both sticks.

 

sparx

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Hello

 

Did you change the hyper transport ratio?

LDT ratio, change it to x4.

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Hello

 

Did you change the hyper transport ratio?

LDT ratio, change it to x4.

I have it at 3x.

sparx

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If you use a CPU ratio of 4x will the FSB go higher?

 

Also if you use a different fsb:dram ratio 6:5 (5:6 Dram:FSB in the BIOS.)

what happens?

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Problem solved >>>> Operator Error!

 

I had the CPU multiplier set to "Auto". :sweat:

 

A stupid mistake I humbly admit. Sorry for burning space here.

 

Have it to 260 x 10 now and testing.

 

sparx

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haha.. man dont worry Sparx we ALL make silly mistakes from time to time.. I know I do..

 

:)

 

Now we need RG or AG to mark this thread resolved..

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haha.. man dont worry Sparx we ALL make silly mistakes from time to time.. I know I do..

 

:)

 

Now we need RG or AG to mark this thread resolved..

 

Thanks for that.

 

My mistake was really a BIGdumb one though.

 

Board running Prime95 21 hours stable @ 263 x10 so far. :)

sparx

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I moved up to 265 and am prime95 testing it. I feel it might be wise to stop at 265 since I had problems with the last two boards (nf4 ultra d's) after getting to 275 or so failing with Prime and attempting without success to re-establish a stable rig back down around 265. Greed can lead to complete frustration. I hope the Venice CPU's will allow better overclocks (having the improved memory controller) on the DFI Nf4's, but right now I have no money to invest in a Venice.

 

sparx

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