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USBComplianceandLogoProgram
May 8, 2001 USB 2.0 Core Team May 8, 2001 USB Compliance and Logo Program Doug Gemmill USB-IF Compliance Committee Chairman Agenda Compliance Program Revised Testing Guidelines Integrator’s List versus Product Search List Compliance Review Board Logo Program Compliance Testing Low Speed Full Speed products USB-IF sponsored compliance workshops (“Plugfests”) Certified independent test labs High Speed products USB-IF sponsored compliance workshops Intel Peripheral Integration Lab is the High Speed test lab for now Will not be available in other test labs until mid-to-late 2001 Why Do Compliance Testing Significant number of devices tested at Compliance Workshops fail Third party device drivers Power supply/consumption Signal integrity Cables are of varying quality today 7 out of 20 cables failed compliance testing 2 out of 11 failed Gigatest compliance testing Test Procedure Doc The document has been written Describes test procedure for both plugfests labs Lists procedure for all types of products: devices, hubs,and systems Consistent testing procedures, no matter whereyou test Always check the USB-IF website for latest information URL: www.USB.org/developers/complian.html New Electricals Test Backvoltage test Checks that D+ and D- are not being driven when VBUS is not being driven Has been a “FYI” test for the past two plugfests One lab reports 50% failure of this test Thanks to Cypress Semiconductor for thetest jigs! This will be a required test soon – be sure your design is correct! Test Procedure Hosts Systems Motherboards Add-in Cards Silicon Cores Hubs Silicon Devices Silicon Integrators List Confidential list of products that pass USB-IF compliance program on the USB-IF website. Two lists: low/full speed and high speed Pass compliance testing, demonstrated interoperability submitted a checklist New additions made for vendors by USB-IF,based upon test results List is viewable by licensees only –password controlled Product Search List Public list of p
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