ssio(4)

NAME

ssio – National Semiconductor PC87560 Legacy IO

SYNOPSIS

ssio* at pci?

DESCRIPTION

The ssio driver provides support for the National Semiconductor PC87560 Legacy IO chip on systems with PA-8500 and later 64-bit CPUs. It configures the Programmable Interrupt Controllers integrated on the chip to route interrupts for the integrated ohci(4) USB controller (which appears as a separate PCI device).

OpenBSD provides support for the following devices:

com(4)

serial communications interface

lpt(4)

parallel port driver

SEE ALSO

intro(4), pci(4)

HISTORY

The ssio driver first appeared in OpenBSD 4.2.