The STP 4020 PCMCIA Adapter provides for two PCMCIA PC Card sockets. The stp4020 adapter driver provides an interface between the PCMCIA sockets and the PCMCIA nexus. The driver supports the Sun PCMCIA Interface/Sbus card.
Direct access to the PCMCIA hardware is not supported. The driver exists solely to support the PCMCIA nexus.
/kernel/drv/stp4020 stp4020 driver.