Upgrade your Linksys PCMLM56 - EtherFast 10/100 + 56K Modem PC Card. Main download the driver. Secondary mirror is the firmware.
Download Linksys PCMLM56 - EtherFast 10/100 + 56K Modem PC Card 2.0 / Drivers
Download Linksys PCMLM56 - EtherFast 10/100 + 56K Modem PC Card 2.0 / Drivers