AI驱动的大容量存储接口.pdf

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1、AI Driven Mass Storage AI Driven Mass Storage Interface UpgradeInterface UpgradeSeagateAI Driven Mass Storage Interface UpgradeMohamad El-BatalTechnologist/Seagate OCTOSTORAGEOCP NVMe HDD Specification V1.0 Contributed in 2022 with 129 Active MembersSATA cost replacement with Single-Port/Single-Lane

2、 customer demandValue propositions of NVMe-HDDs very clear to key CSPs&OEMsAn opportunity to modernize and consolidate all mass storage with NVMe protocolMost Consumers,Providers and Partners are ready to enable this transitionNVMe Storage Interface ConsolidationConsumersMSFT(Co-Chair)Other CSPsOEMs

3、 othersDrive VendorsSeagate(Co-Chair)WDC(Co-Chair)Toshiba(Participated)Systems ProvidersSeagateWiwynnSuper MicroQuantaetc.EcosystemBroadcomMicrochipAmphenol TEMolexMarvellARMetc.Using SAS and SATA Connectors EDU Initially used SFF8639 conn to validate all possible connectionsValidating SRIS Clockles

4、s PCIe-Gen3 capable DesignNo PCIe-Clocks,No PERST,No I2C/I3C/SMBus,No Dual-Port-Enable.etc.EDU2 to use the SATA connector:SATA Connector for Single-Port(Same HW SKU as SATA HDD)SAS Connector for Dual-Port(Same HW SKU as SAS HDD)-TBD pending volume justificationU.3SASSATASystem Connector ReceptacleDe

5、vice Connector PlugMax PCIe link speed(8/16GT)6Gb SATA6Gb SATASFF8482-12Gb SAS6Gb SATA8Gb/sSFF8482-24Gb SAS6Gb SATASFF8482-12Gb SAS12Gb SAS8Gb/sSFF8482-24Gb SAS24Gb SAS8Gb/s&16Gb/sSFF8482-24Gb SAS12Gb SASSFF8639-Gen46Gb SATASFF8639-Gen412Gb SAS8Gb/sSFF8639-Gen424Gb SAS8Gb/s&16Gb/sU.2Connector Pinout

6、 Industry AlignmentSystem SideDevice Sidep1Reservedp1connect p2p2Reservedp2connect p1p3PWDIS-Power Disablep3PWDIS-Power Disablep4Groundp4Groundp5Groundp5Groundp6Groundp6Groundp75vp75vp85vp85vp95vp95vp10Groundp10Groundp11Activity Inputp11Activity Driverp12Groundp12Groundp1312vp1312vp1412vp1412vp1512v