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decon

4x/3x512mb won't start 2x will, please help out

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Yes it does but the CPU also plays a very important part.

And the memory modules must be matched for the best possible compatibility.

 

Is that a Winchester core cpu?

If so you must set the memory to 333DDR.

 

Change these to

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

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

Min RAS active time (tRAS)...........8

Row precharge time (tRP).............3

 

If that does not help there is probably not much more that you can do.

 

Just to test something,

Try just the new kit and 2.8v

Then test just the old kit at 2.8v.

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Sorry if this is a stupid question but where do I set the memory speed to 333?

 

Edit: after

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

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

Min RAS active time (tRAS)...........8

Row precharge time (tRP).............3

 

the PC won't boot. I can't get into BIOS now :(

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clear CMOS, then restart. change the command rate to 2T for four stick runnings. by setting a divider you get the 333 runnings (166 in bios, 5/6 setting).

 

and, just to make things more miserable, you should keep the ram clocked as close to 200HTT (DDR400) or slightly below, which is the rated speed of your modules, this means no clocking or, if clocking, a divider should be used to get ram runnings spot on (refer to above 5/6). You may have to clock the mems lower than their rated speed, the load on the memory bus can be finicky, depending on your boards personal quirks......

 

regarding the CMOS jumper, I personally use a pair of surgical pliers (hemostat), you can easily grab the jumper and do the deed even if some stuffs are close by making it hard with fingers, or you could just pop the battery real fast (just push the little clip, again with the hemostat end, bingo, it pops right out), then reinsert (very easy to do)....

 

laterzzzz....

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Okay thanks, I'll try and clear the CMOS. But they have to place just by the sata ports... HDDs are block the way:rolleyes:

 

Edit: Sooooo I switch the jumper to pin 3 and 2, boot the pc, reboot the pc, shutdown the pc. Then I switch the jumper back to pin 1 and 2, boot the pc and it still just won't start...

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cmos.jpg

And you must only do that with the PC off.

By powering the PC with the CMOS jumper in the clear position you can destroy the BIOS.

 

So with the PC off, move the jumper to the clear position and wait 10 minutes.

Then after 10mins move the jumper back to the save posistion and power the PC.

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Oh well, gotta get a new PC it seems then. I got the new RAM for christmas, probably can't get my money back.

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I tried popping out the battery which worked, CMOS is back to default but there's still the ram problem. I'll try and mess a bit with the settings but I'll probably never make it work :confused:

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If you want, contact GEIL and ask them if they could swap the 4x512MB for a 2x1GB kit or 4x512MB identical modules.

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personally, i highly recommend 2x1gig...the 939 DFI problems with total population of dimm slots is a bugger...

 

refer to my sig, it is a 24/7 setting....no way in heck could I get 4 x 512 to run reliably, and this is with four matched 512's...

 

nature of the board...

 

laterzzz.....

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