Questions about ioport-assignments
komurojun-mbn at nifty.com
Thu Jan 14 06:39:17 EST 2010
>- Is it just a buggy card if it works at 0x300 but not 0xc300
> (or is it maybe a problem with Linux assigning the io area)?
>- Why is IOAddrLines forced to 16 (and thus alignment to 0x10000), but only
> if BasePort1 is 0?
Some pcmcia-card decodes only lower 10bits (0x0000-0x03FF).
Such card does not work on higher ports (0x0400-0xFFFF)
So your card is not a buggy card.
More information about the linux-pcmcia