对于微软来说，如果外设没有实现即插即用，就无法获得WHQL 认证。而对于

USB IF（USB 实现者论坛）来说，如果外设没有实现即插即用，就无法获得USB

的认证，不能使用USB 的标识。这个标识可以在USB 的官方网站www.usb.org

看到（本文的下面也有），由于在USB2.0 规范发布之后，USB IF 改变了原先的

标识，有些制造商仍使用原先的标识，这其实也是在欺骗用户。-for Microsoft, if not plug-and-play peripherals, it is unable to obtain WHQL. For USB IF (USB Implementers Forum), if not plug-and-play peripherals. USB it is unable to obtain the certification, can not use USB logo. The logo in the official website USB www.usb.org see (This article is below). due to the USB 2.0 standard was released, USB IF change the original logo, some manufacturers still use the original logo, which is actually deceiving the user.