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  1. Evolving the PC PlatformChipset Directions for 2005 and Beyond Mark Overby Platform ArchitectNVIDIA Corporation

  2. Caveats • Client PC Focused • Some server platform applicability though • These are ideas and directions to investigate • Not an NVIDIA roadmap • Not a Microsoft roadmap • Not anyone else’s roadmap

  3. Agenda • Today’s chipset technology • What is driving change in chipsets • Addressing the demand for change • Moving the platform forward

  4. The Platform Chipset Today • Chipset integration often affirms the arrival of a technology as an accepted baseline component ofthe PC platform • Chipsets are no longer just a discrete I/O interconnect, they have become media and communications processors (MCP) • Continued advances in high-speed bus interconnect along with Moore's Law have helped to drive consolidation of the PC subsystem into a few major silicon components - CPU, GPU, and MCP, all sharinga large common heap of memory • The emergence of "media processing" as a primary function of the PC will lead to a new era of Media Communications Processors that will replace today’s Platform Chipsets

  5. What Is Driving Change In Chipsets? • Consumer expectations • Processor advances • Networking & broadband connectivity • Increasing storage size, capability, and demand • High speed interconnects • Security/content protection

  6. Consumer Expectations • The PC needs to be appliance like (small, quiet) • Never off: Exception (maybe) is a power outage • Never idle • Connects to all devices ubiquitously • Autonomous Self Maintenance & interactive troubleshooting

  7. Processor Advances • Power / performance improvements • Dual Core • Hyper-threading • Memory technology • Power State Management • Virtual processing • Security improvements

  8. Networking & Broadband • Home LAN with Broadband connection • Mobile devices with internet and network connectivity • PANs - Transient multiple external device connections • More and more demand for Broadband resources • High bandwidth multimedia (e.g. HD video) creates a huge demand for more bandwidth • The megahertz debate is replaced by theMbps debate • Wireless often replacing wired networksin some scenarios

  9. Storage • All that content needs somewhere to go • Capacities increasing quickly(e.g. 400 – 500 GB disks available today) • PC capable of Massive Storage • Needs to be Secure • Needs to be Safe/Robust • Needs to be Manageable

  10. High Speed Interconnects • PCI Express • Ushers in a new era of high performance add in boards with advanced processing capabilities • Serial ATA • Internal and External hot pluggable storage • Wireless USB • New era of wireless plug and play device interacting with the PC • USB 2.0 • For anything that is not wireless (e.g. portable storage)

  11. Security & Content Protection Needs • Platform and peripheral Security • Vital data stored on the PC and PCs across the network needs to be protected • Premium content owners demand protection

  12. Addressing the Demand for Change • A new Thermal (Power) Management paradigm • The PC is never off • Performance scales to demand • Enables a 24/7 processing model • Task specific processing offload • Safe, reliable, expandable, andmanageable storage • Leveraging Multi-core Processors • Securing the PC, LAN, & Content • Actively managing the platform

  13. Power Management • Power button puts the PC in reduced capability mode but does not shut it down • Expand on Always Ready – demonstratedat WinHEC 2004 • To appear off, it must run in a state that reduces noise to below ambient level • An efficient solution requires managing the entire PC HW suite, not just slowing down the CPU and putting devices in D3 state • Applications must be more aware of power state • OS management of PC resources is required • Different activities have different resource requirements • System performance & thermal management shouldadjust accordingly

  14. Adopting a 24/7 Processing Model • Distributing software work to hardware offload devices in system, where it makes sense • Safe, reliable, expandable, and manageable Storage • No down time • No back up required • Simple – can be done by user • Use Multi-core CPUs for efficiency • Optimizing SW for I/O

  15. Take Advantage of Offload Technologies • GPU – massive processing capability • PCI Express opens access to powerful processing capabilities • Media Encode/Decode/Transcode • Post-processing of photo and video content • Networking Offload • Firewall Offload • Storage Offload • Cryptography Offload • Protect massive amounts of data & media content moving to/from storage across internal PC bus

  16. Safe, Reliable, Expandable & Manageable Storage • RAID 5 should be the standard for at leastone PC in the home network • Redundancy/fault tolerance • Performance • Expandable • Easy expansion of storage • External SATA, Hot Plug capabilities of SATA • Network • Backup needs to take place automatically • Need to completely isolate the user from the complexity of storage

  17. Making Storage Easier to Manage

  18. NVIDIA nForce MediaShieldDemo

  19. Leveraging Multi-Core Processors • Multi-core processors will be ubiquitous • Multi-core processor is more power efficient compared to 2 single core processors • Provides opportunity to do more processing at a lower power/thermal cost (performance / watt)

  20. Securing the Platform & Network • Platform & Peripheral Protection • Cryptography Offload • Firewall Offload • TCP Offload

  21. Platform & Peripheral Protection • TPM • Processor Security Extensions • Cryptography • Virtualization

  22. Cryptography Offload • Using the distributed resources of the PC while in a low power state will necessitate being able to offload the cryptography task for I/O to a dedicated engine in the chipset • Example: using the GPU to transcode premium content on demand for downloading to a portable media center • Not just networking – storage, audio, and others

  23. Hardware Firewall Offload • Hardware firewall provides additional layer of protection to each PC on the Home LANand/or connected to the PC • As bandwidth increases demand on the firewall will strip CPU capacity to keep up

  24. Managing the Platform • Numerous vital tasks running in the background • Virus, anti-spyware scanning • Search engine indexing • SW updates • System maintenance tasks running inthe background • Disk optimization • System optimization • Media & secure content consolidation and protection • Diagnostic and troubleshooting support • Hardware automation for common tasks orcomplex tasks • Failure prediction and analysis

  25. MCP Opportunities MCP Core Networking PCI Express MCP Controller Logic Storage Legacy Interfaces

  26. MCP Opportunities Wireless USB Firewall Offload TCP Offload MCP Core Networking PCI Express MCP Controller Logic Storage Legacy Interfaces

  27. MCP Opportunities MCP Core PCI Express Gen2 PCI Express Hotplug Multiple GPU Networking PCI Express MCP Controller Logic Storage Legacy Interfaces

  28. MCP Opportunities MCP Core Networking PCI Express MCP Controller Logic Storage Legacy Interfaces RAID 5 SATA Gen2 SAS Storage Offload

  29. MCP Opportunities MCP Core Networking PCI Express MCP Controller Logic Storage Legacy Interfaces Management Intelligence Cryptography Offload TPM Processor Security Extensions HW Virtualization

  30. MCP Opportunities MCP Core Networking PCI Express Power Management MCP Controller Logic Storage Legacy Interfaces

  31. Operating System Opportunities • Support processing and offload capabilities in the MCP and attached peripheral devices • Schedule tasks based on power state and availability of resources • Provide application awareness for reducedpower modes • Incorporate management infrastructure to support intelligent device management, diagnostic, and troubleshooting capabilities • Support advanced capabilities of high-speed interconnects

  32. Call to Action • Design for thermal (power) management flexibility • Always on, always working • Implement intelligence to offload user tasks • Use existing Industry Standards – don’t reinvent the wheel, just improve it • Write applications to utilize offload capability provided by Windows • Work with Microsoft and industry partners to standardize support for advanced scenarios

  33. Standards and Specification Bodies • PCI • http://pcisig.com • Serial ATA • http://www.t13.org • http://www.sata-io.org • SCSI • http://www.t10.org • Networking • http://standards.ieee.org/getieee802 • Platform Security • http://trustedcomputinggroup.org • ACPI • http://www.acpi.info • USB • http://www.usb.org

  34. Community Resources • Windows Hardware & Driver Central (WHDC) • www.microsoft.com/whdc/default.mspx • Technical Communities • www.microsoft.com/communities/products/default.mspx • Non-Microsoft Community Sites • www.microsoft.com/communities/related/default.mspx • Microsoft Public Newsgroups • www.microsoft.com/communities/newsgroups • Technical Chats and Webcasts • www.microsoft.com/communities/chats/default.mspx • www.microsoft.com/webcasts • Microsoft Blogs • www.microsoft.com/communities/blogs

  35. Additional Resources • Microsoft Hardware Developer Central • http://www.microsoft.com/whdc • AMD • http://www.amd.com • Intel • http://www.intel.com

  36. NVIDIA Resources • NVIDIA nForce MCPs: • http://www.nvidia.com/page/mobo.html (example) • Related NVIDIA Technologies • http://www.nvidia.com/page/technologies.html • NVIDIA Homepage • http://www.nvidia.com