Partners Showcase AMD RD790 Motherboards
Anh Tuan Huynh
June 6, 2007 7:18 PM
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ASUS, DFI and Gigabyte prepare RD790, RD780 and RX780 motherboards
AMD motherboard partners displayed RD790-based motherboards at Computex 2007. ASUS, DFI and Gigabyte have
motherboards on display. Gigabyte is the only partner to have a live demonstration of RD790, from what we have seen. The Gigabyte GA-M790-DQ6 features four PCIe 2.0 x16 slots capable of dual x16 or quad x8 configurations.
The live demo of the Gigabyte GA-M790-DQ6 did not have two ATI Radeon GPUs operating in CrossFire. Instead, Gigabyte equipped the RD790 demo system with a single ATI Radeon HD 2600 XT.
The Gigabyte GA-M790-DQ6 does not have any PCIe x1 slots. However, the GA-M790-DQ6 features two standard PCI slots. Gigabyte also equips the GA-M790-DQ6 with a Realtek ALC889 high-definition audio codec capable of 106dB signal-to-noise ratios.
ASUS had the M3A32-MVP Deluxe on display. The upcoming ASUS M3A32-MVP Deluxe supports Socket AM2+ processors with
, or HT3. The board features dual PCIe 2.0 x16, three PCI and one PCIe x1 slots. The ASUS M3A32-MVP Deluxe will also support DDR2-1066 memory.
ASUS equips the M3A32-MVP Deluxe with an elaborate heat-pipe cooling setup. The heat-pipe cools the RD790, SB600 and accompanying system memory.
DFI had the LANPartyUT RD790-M2R on display. The LANPartyUT RD790-M2R features four PCIe 2.0 x16, two PCI and one PCIe x1 slots. DFI only claims HyperTransport 1.0 support with the LANPartyUT RD790-M2R. Nevertheless, the LANPartyUT RD790-M2R features a six-phase Vcore and one-phase digital PWM. Additionally, the DFI LANPartyUT features dual Gigabit Ethernet ports with teaming technology and DFI Bernstein eight-channel audio.
ASUS had additional AMD 7-series motherboards on display – the M3A-MVP and M3A. The ASUS M3A-MVP features the mainstream RD780 chipset with a cut-down PCIe lane configuration. ASUS equips the M3A-MVP with two physical PCIe 2.0 x16 slots. The PCIe 2.0 x16 slots default to dual eight-lane configurations when both slots are occupied.
The ASUS M3A-MVP also features three PCIe x1 and two PCI slots for expansion. The vanilla M3A-MVP does not receive the elaborate heat-pipe setup as its deluxe brethren.
Lastly is the value-level ASUS M3A. The ASUS M3A features the AMD RX780 chipset paired with the SB600. The AMD RX780 does not support CrossFire. The ASUS M3A features one PCIe 2.0 x16, three PCIe x1 and three PCI slots.
Expect AMD RD790, RD780 and RX780 motherboards later this year.
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RE: PCIE 2.0 but no DDR3 Support?
6/7/2007 10:25:41 AM
LOWER LATENCY is usually greater/better than MEMORY SPEED.
Anandtech already had a posting comparing top end DDR2 to recently released DDR3 and the DDR2 system was faster because of the latency of the DDR2 ram.
DDR2 should also make the cost lower to build a machine around. Generally when you buy a CPU you get the equivilent MOBO and RAM to go with the machine.
CPU + MOBO + RAM = New rig guts cost. If you can use readily available DDR2 then the cost would be lower for most to build a machine around that.
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