Hi,
I have a C860 and Buffalo WLI2-CF-S11 WLAN-card. Wih the stock ROM the card is detected and works with no problem. No success in getting it to work on other ROMs I've tried (pdaXrom, OZ). Both say it's an unsupported card.
pdaXrom 1.0.5 is supposed to support this card. This incompatibility with C860 has been listed as a bug on their site.
Is there anything I can do to work around this except wait for half a year for a fix or buy another card?