PCMCIA voltage key.

Smith, Todd Todd.Smith@camc.org
Sun Mar 21 20:21:18 CET 2004

Hello Oleg,

It is probably a CardBus card instead of a PC Card since the CardBus cards
were keyed to keep from blowing them in older PC Card 5V bus

Todd Smith <todd.smith@camc.org>

-----Original Message-----
From: Oleg Gusev
To: jornada820@lists.linux.it
Sent: 3/20/2004 12:37 PM
Subject: PCMCIA voltage key.

I have just realized that it is impossible to insert the low 
voltage keyed PCMCIA card in j820. What does that mean ? 
AFAIK, the CF doesn't care if it is fed with 3.3V or 5V. Can we
simply assume that everything insertable in j820 must
work with 5V, and later lower the voltage if the card is 
capable of 3.3V? I don't (yet) know what wince is 
doing, but the hardware is functional there, while
in linux some things are broken.


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