Test Setup
The ATI CrossFire Xpress 200 chipset fully supports all AMD Athlon 64 processors in both stock and overclocked conditions.
We tested our 7900GTX video cards using NVIDIA 84.21 WHQL drivers and ATI X1900XT cards with Catalyst 6.3 to provide the latest video performance results. Resolution in all benchmarks is 1280x1024x32 unless CrossFire is enabled. Resolution in CrossFire benchmarks is 1600x1200x32 with 4XAA and 8xAF where applicable. 3DMark benchmarks use a "Standard Score" setup at the default video resolution for both X1900XT CrossFire and 7900GTX testing.
The ATI CrossFire Xpress 200 chipset fully supports all AMD Athlon 64 processors in both stock and overclocked conditions.
| Performance Test Configuration | |
| Processor: | AMD Athlon 64 4000+ utilized for all tests. |
| RAM: | 2 x 512mb OCZ Technology PC4800 Platinum Edition Settings: DDR-400 at (CL2-2-2-5, 1T) |
| Hard Drive(s): | 2 x Maxtor MaXLine III 7L300S0 300GB 7200 RPM SATA (16MB Buffer) 1 x Maxtor MaXLine III 7L300R0 300GB 7200 RPM IDE (16MB Buffer). |
| System Platform Drivers: | ULi SATA Driver - 2.20 NVIDIA Platform - 6.70 ATI - |
| Video Cards: | 1 x EVGA 7900GTX (PCI Express) for all non-CrossFire tests. 2 x ATI X1900XT (PCI Express) for CrossFire tests. |
| Video Drivers: | NVIDIA nForce 84.21 WHQL ATI Catalyst 6.3 CCC |
| Cooling: | Thermaltake Big Typhoon |
| Power Supply: | Fortron Source FX700-GLN |
| Operating System(s): | Windows XP Professional SP2 |
| Motherboards: | ASRock 939SLI32-eSATA2 Abit AT-8 (ATI RD480/ULi1575) Asus A8N-SLI Premium Asus A8R-MVP (ATI RD480/ULi1575) Asus A8R32-MVP (ATI RD480/ULi1575) ECS KA1 MVP Extreme EPoX EP-9U1697-GLI |
We tested our 7900GTX video cards using NVIDIA 84.21 WHQL drivers and ATI X1900XT cards with Catalyst 6.3 to provide the latest video performance results. Resolution in all benchmarks is 1280x1024x32 unless CrossFire is enabled. Resolution in CrossFire benchmarks is 1600x1200x32 with 4XAA and 8xAF where applicable. 3DMark benchmarks use a "Standard Score" setup at the default video resolution for both X1900XT CrossFire and 7900GTX testing.
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Wesley Fink - Tuesday, April 4, 2006 - link
A video shunt card is the PCB card used in some Crossfire designs for the second x8 slot when you want the other video slot to be x16. When the card is out you have 2 x8 slots, when it's in you have one x16. nVidia uses a similar "paddle" card on their nForce4 SLI design.ATI also has a BIOS switching option on more expensive Crossfire boards. It turned out the simple paddle was the most trouble-free on the Rx480 Crossfire, but most RD580 use the BIOS-switching design and have been trouble-free.
Beenthere - Tuesday, April 4, 2006 - link
SOS, DD.STILL not ready for Prime time but an "E" for effort with an updated BIOS.
Skip the ATI chipset S939 mobos - they are all flops. Hopefully the socket AM2 mobos will be far better than the S939 ATI based crap. ATI must be really disappointed in the Asian mobo makers who refused to deliver a properly operating mobo.
rjm55 - Tuesday, April 4, 2006 - link
Ever since I read about nVidia paying people to post anti-ATI stuff on Forums I've wondered. Do you suppose it's in NV's interest to drum up that the ATI chipset is immature? I only ask cause the same two names always post crap comments about ATI and the A8R-MVP every time a motherboard review goes up at AT.I also bought an A8R-MVP. I was disappointed it required 2T Command Rate above about 260 until I realized the 2T on Asus was just as fast as iT on other boards. At 2T i reached 320. I haven't had a problem other than that and it's the best $95 I ever spent on a board. I liked it so much I bought an A8R32-MVP which I like ever better.
Why don't you jerks that trash these ATI boards tell us SPECIFICALLY what is wrong and provide some evidence so others can take a look at your problems and fix them for you?