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Print 19 comment(s) - last by KristopherKubi.. on Jul 12 at 10:40 AM


Short-term AMD IGP chipset roadmap
ATI RX690, RS690T/DC and NVIDIA MCP61

DailyTech has received an AMD roadmap that highlights upcoming Socket AM2 chipsets from ATI and NVIDIA. According to AMD’s June 2006 roadmap ATI has a new discrete graphics solution that should arrive in Q3’06. Currently known as RX690, the new chipset will have one PCI Express x16 graphics slot. RX690 lacks the capability to divide the 16 PCI Express lanes to two PCI Express x8 slots. There’s no mention if CrossFire will be supported with RX690 but it seems very unlikely. Nevertheless the RX690 supports six PCI Express lanes instead of the four lanes supported by current Radeon Xpress 1100/1200, CrossFire Xpress 1600 and CrossFire Xpress 3200 chipsets. RX690 based motherboards will have access to a variety of PCI Express based south bridges including ATI’s SB460 and SB600.

There has been plenty of news regarding ATI’s next generation RS600 integrated graphics core-logic for Intel processors but not much has been published on the AMD variant—RS690. Roadmaps show ATI will offer two RS690 variants to motherboard manufacturers. The plain RS690 will use shared memory architecture and support DirectX9 and SM 2.0 with its Radeon X700 derived graphics core. Other notable features include one PCI Express x16 slot, six additional PCI Express lanes and integrated HDMI with HDCP compatibility. Although AMD K8-based processors have integrated memory controllers that drastically reduce memory access latency, it reduces integrated graphics performance. ATI will have a second RS690 variant that addressed shared video memory latency issues. The RS690T/DC will support a local-frame buffer which is essentially dedicated video memory attached directly to the integrated graphics core, removing shared memory latency issues.

Last on the AMD roadmap is the upcoming NVIDIA MCP61 integrated graphics chipset. The single-chip core-logic will have a GeForce 7 series graphics processor with support for PureVideo. PureVideo acceleration will be limited to standard definition video playback which leads us to believe the MCP61 is the GeForce 6100 successor. The integrated graphics core will also support VGA and HDMI video outputs, though there’s no mention of HDCP compliancy. MCP61 will not have an integrated TV encoder for S-Video, composite and component video outputs. Additional supported features include 10 USB 2.0, four SATA II ports, one Gigabit and high definition audio.


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By kenyee on 7/12/2006 9:42:27 AM , Rating: 2
the MCP61 seems to be just a cost reduced version of the 6150/430 (C51)...no speed increase, no H.264 decoding support, no HDMI/HDCP, and not faster than the 6150. If anything, I'd expect it to be slower because it all on one chip and they'll have to keep heat down :-P

Nice idea for ATI to separate the memory for the IGP...hope nVidia copies it...




By Gallius on 7/12/2006 10:09:11 AM , Rating: 2
While I agree on the not much faster, the MCP61 does include HDMI but no word on HDCP (which is delayed anyway).

I think it's about time the IGP's became comparable to 2 generation old mid range GPU's like ATI is doing with it's X700/X1300 Hybrid IGP. I don't mind if it's a 2 chip solution or a 1 chip solution but they should start to pick it up (Intel & ATI seem to be doing so).


By KristopherKubicki (blog) on 7/12/2006 10:40:37 AM , Rating: 2
Silicon Image, one of the companies that handles the licensing for HDMI, was very clear that although HDCP is not required fro HDMI, no one has adopted HDMI without HDCP yet. I suspect they will pick it up.


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