adding RAM freezes windows 7. ideas?

Microsoft Windows 7 ultimate 64-bit
April 23, 2010 at 18:59:03
Specs: Windows 7
intel board DG965ry - got the windows 7 driver
from intel

4 identical pieces of 2gb G.Skill RAM - BIOS
recognizes however much I put on the board.

however, windows 7 only starts up with 1 piece
in. add a piece - to any slot - and it freezes.
add all 3 pieces gets the same result.

the ram is good - i tested all 4 pieces (2 at a
time) in XP.

haven't found a forum online yet talking about
this, so if anybody has any ideas, please let
me know...

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April 23, 2010 at 19:14:29
Did you enter the BIOS & manually configure the RAM speed, timings, & voltage? Did you test the RAM with memtest86?

You didn't mention which CPU you have or which speed RAM you bought, but it's very possible the memory should be underclocked for best overall system performance.

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April 23, 2010 at 19:32:29
overclocking is above my current skill level.

intel duo-core 2.40 GHz
g.skill ddr2-1000 pc2-8000 (2gb each)

does that clarify? cheers!

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April 23, 2010 at 20:14:13
"does that clarify?"


Do you have a dual core Pentium or a Core 2 Duo? What is the model number? What FSB speed does it run at...800MHz or 1066MHz?

And I didn't say OVERclock, I said UNDERclock. DDR2-1000 is the wrong RAM for your CPU so you need to configure it to run at the right speed & voltage. Do NOT rely on AUTO settings.

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April 23, 2010 at 21:21:48
it is a core 2 duo. no idea what the model number is; you'll have
to forgive me, it's been a long time since i bought the cpu. and
no idea what FSB means.

regardless, i'll go into BIOS and see if i can play with it a bit.

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April 23, 2010 at 21:32:09
BIOS info-
memory frequency is 667 MHz

and while I installed DDR2-1000 it reads as (DDR2 800) SPD:

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April 23, 2010 at 22:19:57
and nevermind. updating the bios to the vista 64-bit version
worked (mb no longer supported and no windows 7 update
coming out).
thanks for making me look at the right stuff. cheers

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