Tom's Hardware > Forum > CPU & Components > CPUs > DDR2 Really a No-No for LGA 1156?

DDR2 Really a No-No for LGA 1156?

Forum CPU & Components : CPUs - DDR2 Really a No-No for LGA 1156?

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r_manic   11-10-2009 at 09:28:24 AM

Ok, I know what was posted here, but DDR2 RAM really won't work with Lynnfield motherboards? Why? Shouldn't DDR3 be backward compatible with DDR2, with the latter providing slower throughput of course?

Message quoted 1 times
------------------------------ Desktop | E7300 | P5KPL-AM | 2GB DDR2 667MHz | NVIDIA 9500 GT | ST3320613AS | w2228h
XPS M1330 | T8300 | Dell 0U8042 | 2GB DDR2 800MHz | NVIDIA 8400M GS | WD2500BEVS-75US | 1280 x 800
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taavi   11-10-2009 at 10:20:45 AM

1. DDR3 = lower volt.
2. DDR3 can't be fit in the DDR2 socket. The little "key" is in another position.

Reply to taavi
huron   11-10-2009 at 02:07:43 PM

NO - DDR2 and DDR3 do not fit and are not backwards compatible, just the same as DDR2 and DDR were not either.

Like taavi said, they have different specs (voltage being one).

------------------------------ Antec 900, MSI P7N Diamond, E8400,
4 GB (2 x 2GB) Crucial Ballistix 4-4-4-12, 8800 GTS 512 SLI
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Scotteq   11-10-2009 at 03:13:00 PM

r_manic wrote :

Ok, I know what was posted here, but DDR2 RAM really won't work with Lynnfield motherboards? Why? Shouldn't DDR3 be backward compatible with DDR2, with the latter providing slower throughput of course?




...because the memory controller is built into the processor and therefore can not be changed.

------------------------------ Which Chip? Well, it depends on which set of thieving b@stardz you choose to support: The ones who use insider trading to enrich themselves while running their company into the ground? Or the ones who illegally pay vendors to not support the first group?
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