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Posted by Martin Slaney on November 11, 2004, 1:18 pm
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losttoy2000@yahoo.co.uk wrote:
> Hi,
>
> I got a NEC PCMCIA USB 4-port adapter. The card is unbranded but the
> drivers shipped with it on the CD are written by some OrangeWare corp.
> Under Linux, "lspci" shows:
> NEC USB Controller Rev 43
>
> The CD has the drivers under the folder, "uPD720100", so I am assuming
> thats the chipset.
>
> Here's the strange part. I tested the card with two laptops, Dell
> Inspiron 3800 and Dell Latitude C600. The devices I tested were:
> - BenQ 64MB drive - USB 1.1
> - Adcom Ethernet to USB adapter - 2.0
> - Sony 256MB Memory stick - 2.0
> - Scientific Atlanta cable modem - 1.1
> - D-Link 560M USB modem - 1.1
>
> Only one device works - the Adcom Ethernet to USB adapter. I checked
> all devices under three OSs - Linux (2.4.26 and 2.4.20), Windows XP Pro
> SP2 (fully patched) and Windows 2000 Pro SP4 (fully patched).
>
> If I do a tail of the log messages on Linux:
> - the D-Link USB modem is improperly allocated resources and fails to
> come up. - the cable modem is recognised but packets are only able to
> leave the interface not come back. So TX works but no RX. Very weird.
> - No *reaction* is evoked when I plugin the two mass storage devices.
> The LED on the Sony lights up when plugged in but the LED on the BenQ
> does not light up!!
>
> All these devices work fine when I plug them into the in-built USB 1.1
> port on both the laptops.
>
> Am I looking at buggy drivers, buggy chip or a faulty chip?
> Thanks,
Is there a DC power-in connector on the card ? If there is, try giving
the card 5V DC (up to 1A or so) - and see if things things change ...
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