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[Posted by: PnP 
| Date: 05/08/03 11:15:06 PM]
| Date: 05/08/03 11:15:06 PM]While the whole world waits till mighty NVIDIA announces its new chipset with official support of 400MHz EV-6 bus for AMD Athlon XP processors, a German web-site found out that the current nForce2 revision C1 is already detected as the nForce2 Ultra 400 when a beta driver is used.
The testers over Planet3DNow.de got a new beta driver for NVIDIA nForce2 core-logic and their ASUS A7N8X Deluxe 2.00 mainboard based on the nForce2 C1 stepping was detected as the nForce2 Ultra 400!
The report over here claims that the following is located in the INF file of the drivers:
PCI\VEN_10DE&DEV_01AA.DeviceDesc="NVIDIA nForce 220/230 Memory Controller (DDR)"
PCI\VEN_10DE&DEV_01AB.DeviceDesc="NVIDIA nForce 415/420/430 Memory Controller (DDR)"
PCI\VEN_10DE&DEV_01AC.DeviceDesc="NVIDIA nForce 220/230/415/420/430 Memory Controller"
PCI\VEN_10DE&DEV_01AD.DeviceDesc="NVIDIA nForce 220/230/415/420/430 Memory Controller"
PCI\VEN_10DE&DEV_01EA.DeviceDesc="NVIDIA nForce2 Memory Controller"
PCI\VEN_10DE&DEV_01EA&REV_C1.DeviceDesc="NVIDIA nForce2 400 Memory Controller"
PCI\VEN_10DE&DEV_01EB.DeviceDesc="NVIDIA nForce2 Memory Controller"
PCI\VEN_10DE&DEV_01EB&REV_C1.DeviceDesc="NVIDIA nForce2 Ultra 400 Memory Controller"
PCI\VEN_10DE&DEV_01EC.DeviceDesc="NVIDIA nForce2 Memory Controller"
PCI\VEN_10DE&DEV_01ED.DeviceDesc="NVIDIA nForce2 Memory Controller"
PCI\VEN_10DE&DEV_01EE.DeviceDesc="NVIDIA nForce2 Memory Controller"
PCI\VEN_10DE&DEV_01EF.DeviceDesc="NVIDIA nForce2 Memory Controller"
As you see, NVIDIA nForce2 C1 may be detected either as NVIDIA nForce2 400 Memory Controller (that is a single-channel memory controller, see more information here) or as NVIDIA nForce2 Ultra 400 Memory Controller (dual-channel memory controller).
Basically speaking, C1 itself represents only the new revision of the chipset and if you are lucky enough to get a mainboard powered by the newer core-stepping, it means that you also may be lucky enough to “upgrade” your mainboard to the nForce2 400 Ultra sometimes later. Keep in mind that NVIDIA’s forthcoming nForce2 400 single-channel solution also utilises the new revision of the core, but unfortunately I do not know whether you will be able to change your single-channel product into a dual-channel solution using certain manipulations with drivers and IGP ID or not :)
