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NVIDIA's quick reference guide differentiating nForce 5xx chipsets

"Tritium" makes an appearance again
Welcome the new king of high end motherboard chipsets

Today marks the launch of NVIDIA's newest core logic chipsets, the nForce 590, nForce 570 and nForce 550nForce 590 made an appearance via internal NVIDIA roadmaps several weeks ago,  which we serendipidously published on DailyTech.  nForce 5xx was previously known as MCP55 on NVIDIA roadmaps.

nForce 590 SLI is a two chipset configuration using an nForce 590 SPP and MCP.  The MCP and SPP are connected by via a 1GHz, 16-bit HyperTransport link, to which the SPP is connected to the AM2 processor.  One x16 PCIe interface is linked to the SPP, and another to the MCP. The total setup allows for 10Gbps transfers from one graphics adaptor to the other, with the ability to overclock the bus on the fly.

nForce 590 features all of the goodies we already reported on: LinkBoost, MetaSheild, FirstPacket and dual Gigabit Ethernet controllers. Interestingly enough, however, ActiveArmor has actually been removed.  The core logic still features a TCP/IP offload engine but it is not compatible with third party firewalls. 

One feature we did not touch on in previous nForce 590 articles is "DualNet."  NVIDIA was slated to launch an "Ethernet teaming" protocol, and it looks like DualNet is the actual code name for that protocol.  Both Gigabit Ethernet PHYs can be used together to "virtually" appear as a single device -- though we haven't exactly seen this in action yet.  And yes, audio is back on nForce 5xx.

Tritium, as it was previously dubbed, is completely absent from NVIDIA's press material.  NVIDIA's Platform PR Manager, Bryan Del Rizzo, had previously made a statement to DailyTech claiming Tritium does not exist.  Another NVIDIA document has surfaced (right) claiming that Tritium will appear as a Foxconn reference motherboard design. 

nForce 570 and nForce 550 are also making an appearance today.  nForce 550 is virtually identical to nForce 4, but with the addition of SATA 3.0Gbps controllers.  nForce 570, on the other hand, is more similar to nForce 590 but only uses a single core logic.  Thus, LinkBoost does not exist on nForce 570. 

ATI previously launched its Xpress 3200 chipset, which currently is the closest thing to a competitor for nForce 590.  Xpress 3200, unlike nForce 590/570, will make an appearance for AM2 and Socket 939. 

NVIDIA's MCP61 core logic, a next generation controller, is still slated for a late Summer 2006 launch.


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Links
By peternelson on 5/23/2006 7:28:59 AM , Rating: 2
"The MCP and SPP are connected by five HyperTransport links, to which the SPP is connected to the AM2 processor"

NOT 5 HYPERTRANSPORT links.

These are PCI EXPRESS links.

550 = (20 lanes over) 5 links
570U = (20 lanes over) 5 links
570SLI=(28 lanes over) 6 links
590SLI=(46 lanes over) 9 links

Please amend because "five HT links" is wrong.




Moderated
By shadowzz on 5/23/06, Rating: -1
RE: Links
By KristopherKubicki (blog) on 5/23/2006 7:49:34 AM , Rating: 2
Hmm.. it is actually only a single HyperTransport link (I don't know why I wrote 5).

But it is definitely HT and not PCIe.


RE: Links
By peternelson on 5/23/2006 7:54:07 AM , Rating: 2
Yes I know the link between processor and chipset is a SINGLE Hypertransport link.

I'm interested if the 590 chipset involves two chips linked by more HT interconnect (as was the case in previous generation x16/x16 nforce4) or whether all those pci express links are broken out of a single chip?

There is nothing on the nvidia site yet about the chipset, in particular what I was looking for was a system block diagram.


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