Comments on: USB Specification and Windows limitation on Serial Numbers http://rtshiva.com/2009/05/19/usb-specification-and-windows-limitation-on-serial-numbers/ Everything but pi :), musings on things ranging from debugging,windows drivers, neural nets to calculus if need be ;) Wed, 17 Aug 2011 16:45:00 +0000 hourly 1 http://wordpress.com/ By: David Clark http://rtshiva.com/2009/05/19/usb-specification-and-windows-limitation-on-serial-numbers/#comment-2097 Fri, 29 Jan 2010 15:48:31 +0000 http://rtshiva.wordpress.com/2009/05/19/usb-specification-and-windows-limitation-on-serial-numbers/#comment-2097 I just read a Microsoft article stating that there are restrictions on the serial number of a device:
The following byte values are not valid for USB serial numbers:
•
0x2C.
•
Values less than 0×20.
•
Values greater than 0x7F.

Available here:

http://www.microsoft.com/whdc/connect/usb/usbfaq_intermed.mspx

]]> By: Shyam http://rtshiva.com/2009/05/19/usb-specification-and-windows-limitation-on-serial-numbers/#comment-2047 Wed, 28 Oct 2009 00:00:57 +0000 http://rtshiva.wordpress.com/2009/05/19/usb-specification-and-windows-limitation-on-serial-numbers/#comment-2047 thanks for taking interest and putting the details. it is very useful. I still don’t understand if this still applicable with win7?

- If two devices of same serial numbers crashes the system?
- is IgnoreHWSerialNumVVVVPPPP still works?

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