nForce4 launched & reviewed
JC 19.10.2004 - 13:41 6912 31
Viper780
ModeratorEr ist tot, Jim!
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pcie 8x sind dann 2gb und agp 8x 2.133 oder so...
natürlich reichts, so hab ichs auch ned gmeint.
das board is sowieso nur für leute, dies alle paar monate wechseln, ohne pci x1. ja hast recht nur das AGP nur einen 266MB/s upstream hat während bei PCIe 8x eben auch 2GB/s vorhanden sind
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JC
AdministratorDisruptor
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[...]
All of the early Nforce 4 motherboards that you will get from now till A03 silicon will be limited to 4X HT. For the record, Nforce 3 250 has 5X HT that is working without any problems. You sort of need that to unleash the full power of Athlon 64 939 CPUs that can use 5X and 1000 MHz HT.
Nvidia discovered that its Hypertransport RX input receiver pads have sensitivity that's higher than acceptable to inbound inter symbol interference. Nvidia continued: "This can cause degradation of signal integrity which prevents achieving 5X speed."
A workaround is very simple. You just limit your board to 4X or should we say 800 MHz and not the 1000 MHz that 5X should give.
Nvidia also has some PCIe problems that will be fixed in A03 silicon, whenever it arrives. http://www.theinquirer.net/?article=19313
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