1) New kernel (I am used 2.2.18 - work OK). Compile it without support any NIC drivers and !!! without any pcmcia/cardbus support. Attention!!! Enable only "Network support" !!!ONLY!!! 2) Download and install latest PCMCIA-CS from source. It's all. I am used Toshiba Satellite Pro 445 CDX with PCMCIA modem Motorola Montana and NIC Kingsmax 10/100. It's excellent worked now . Linux Black Cat 6.2. (RH6.2)