I have the same problem with both feisty and the gutsy beta.
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Thinkpad X31 PCMCIA CF adaptor doesn't work on Feisty, did on Dapper
https://bugs.launchpad.net/bugs/139859
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This has been such a huge annoyance for me in feisty. Can't use my sd
cards in a PCMCIA adapter.
I have now tried the latest gutsy (tribe 5 alpha) and the problem is
*still* unresolved. .
% pccardctl info
PRODID_1=
PRODID_2=
PRODID_3=
PRODID_4=
MANFID=,
FUNCID=255
PRODID_1=SanDisk