With the acquisition of ATi earlier this year, AMD is back to
making chipsets for its processors. As we all know, the next generation of
processors would require HT3 for more bandwidth. CrossFire support should also
scale up.
The AMD RD790 chipset is an improvement over the RD580 or
580X chipset. The major difference is that it supports AM2+ and HT3.0.
In the test, a AMD X2 5000+ and a pair of DDR2-667 is used. The board you see
comes with 4 full length PCIe x16 slots. It is fitted with 4 graphics cards. The
interesting thing is that CrossFire works even with 4 cards, but performance is
not ready for 4 cards to improve the performance. The PCIe slots can be
configured to run in 2 by 16 or 4 by 8 in CrossFire mode. The south bridge is
still the SB600.
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