Tip & How-To about NEC USB 2.0 ( ) Laptop PCMCIA CardBus PC Card Adapter (USBP2D20) Serial Adapter
Background. I have a few older laptops with USB 1.1 built in and I wanted the faster speed of USB 2.
This was my 3rd PCCARD USB adapter, the prior 2 did not work either. Again, the PCCARD USB adapter did not work in 3 different laptops. I could not even read a flash memory stick. grrr
Turned out the problem was the laptops were not able to supply enough power to the card. When I plugged in a 5v wall wart into the card...it worked...I could read the flash memory stick. So, it appears that some of the older laptops just can't supply enough juice to the card.
This seems odd as on one of the laptops, I use an external CD drive with an attached PCCARD adapter, and it gets its power from the PCCARD.
Posted by ac12 on
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