@ race08
ASUS offers the
A8N-SLI series, tho looks like the 'Premium' doesn't support X2 dual cores..strange

.
AMD CPU's have their memory controllers on-die(inside the CPU) and do not support DDR2 RAM at this time.

It has nothing to do with the mobo or chipset.
If you are building a gaming machine with SLI, make sure you have a powerful
quality PSU. I would suggest 550Watts or more. Some reasonably priced quality names are Antec and Enermax. I would also suggest GB RAM to compliment your SLI and dual-core. Be aware that games that are optimized for dual-core tech are non-existant at this point, so your systems weak link may be the CPU. The San Diego core will
outperform your dual core in most cases where games are concerned.
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P4P800E-D:~:P4 3.0C@3.75GHz:~:Zal7000AlCu:~:OCZ4001024ELDCPER2-K@250MHz 2.5-3-3-7
WinXP SP2>2X160GB Samsung SATA ICH5R RAID1:~:2x80GB Samsung SATA Promise RAID0
ATI A-I-W X800XT~SB Audigy2 ZS~2X BenQ1620~Antec SLK3700AMB~Antec SmartPower2.0 500W