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TWIN2X4096-8500C5D only get 7-7-7-18


Totenkopfjager

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Hi All, Ok so my PC was build last year sometime and it use to Run with

2x 1 Gig ******** 1066 in Duel Channel (nothing Fancy I Know :D:)

 

4 Days ago I replaced them with TWIN2X4096-8500C5D (1 Kit)

but the Motherboard only boots up if the Corsair Ram is set on DDR2 800

if i change it to DDR2 1066, 2.1v the Board Does not boot at all (black Screen)

 

Last night as a last ditch effort I Manually set the timings to 7-7-7-18

and now Finally it works Stable Running at 1066 , 2.1v, Duel Channel :confused:

 

My Question is...

 

Why cant I get the Corsair Ram to Run @ 1066

with 5-5-5-15/18 T2, 2.1v timing, only 7-7-7-18 on 2.1v ?

 

I've also tried upping the NB volts to 1.3v with no success

(its back to Auto now)

 

I have the Latest P5Q BIOS

My PC is OC'ed but even on Stock settings the ram Fails to boot on 5-5-5-15

FSB = 400

Multipl = 8.0x

3.2 Ghz is enough for me

(unless its the problem :biggrin:)

 

I have Cleared Cmos too, and I think its settings not Faulty RAM

 

Any Help Would be Most Welcome

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  • Corsair Employees
Please check that you have the latest BIOS and then with only one module installed go to BIOS setup and load setup defaults and then set the memory frequency and Voltage IE DDR1066 at 2.1 Volts and leave the timings at Auto and then disable Legacy USB and run http://www.memtest.org oin the modules one at a time to be sure one is not failing.
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Hi, Ok so I have tested the RAM one stick at a time with memtest, with Legacy USB disabled, No Problems found

 

If i set the Ram Timings to Auto @ 1066 Dram Frequency the board does not boot however if i switched it to manual timings and config them to 7-7-7-18 <2.1v> all is well

 

I also checked and I have the latest Bios installed

 

Another question. whitch is better to run in

DDR800 @ 5-5-5-15 or 1066 @ 7-7-7-18 Gaming wise

Thanx so far

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