> For comparison reasons I did some surfing under Windose
> to see whether there were really no errors there, me thinking
> it ran flawless.
> To my surprise the Win-drivers stumbled into errors too,
> but NOT the expected CRC-errors. The program dragdiag.exe
> (was on the Win-CD) mentioned some SDU-length errors!!
> I think I overlooked that previously, being fixed on CRC....
>
> Now I donot know what SDU stands for (send-unit????), but
> I think, that Bill G. found a way to handle these errors in
> a quick way, maybe requesting a retransmission....... I don't
> know, as I got no tool to spy on the USB-traffic.

Hi Ok, good work.  SDU means Service Data Unit, and is just the
payload (= data in the packet).   It should be 48 bytes long.
It is possible to imagine various schemes for dealing with wrongly
size packets, but best to first understand why they have the
wrong length sometimes.

Ciao,

Duncan.


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