"No Host Controllers Found" error message Relaxation of the hi-speed rise and fall time parametersĦ4-bit HSET is Unable to Initialize and Execute Tests. New Rise and Fall Time Parameters for High-speed Signaling
#Video002 usb 2.0 dvr software fails to initialize update
Relaxation of compliance requirements for hi-speed EL_9 testĪnnouncement of update to the USB Electrical Analysis Tool, USBET Maximum allowed voltage on non-driven lines of Test_J and Test_K are relaxed Publication of the low- and full-speed eye templates used for certification Low-speed and Full-speed Eye Template Definition Rise and fall time measurements for USB complianceĮCN: Increase to the Maximum Voltage on VBusĪlign the USB 2.0 Specification with the USB 3.1 and Type C Specifications (DEPRECATED)Enables Attach Detection without VBus present (DEPRECATED) ECN: Minimum Capacitance Required on Vbus LFPS Tx Low Power/LFPS Rx Detect Threshold Receiver Sensitivity (EL_17) and Squelch (EL_16)Ĭlarify squelch and receiver sensitivity parameters Undefined measurement window for the histogram method Receiver Sensitivity (EL_17) and Squelch (EL_16) Histogram measurement areas defined
Standardization on a single electrical test fixture USB-IF Compliance Updates USB-IF Compliance UpdatesĬlarification of the USB 2.0 Monotonicity RequirementĮdits to this update highlighted in yellow.