UTURN(4) - Device Drivers Manual (hppa) #

UTURN(4) - Device Drivers Manual (hppa)

NAME #

uturn - U2/Uturn, Runway to GSC Bus bridge & IOA

SYNOPSIS #

uturn* at mainbus? astro* at uturn? dino* at uturn? lasi* at uturn? gecko* at uturn? sti* at uturn?

DESCRIPTION #

uturn provides the functionality of IOA (not currently supported) as a bridge from the Runway bus (see runway(4) for more information) to GSC. Modern systems, based on the PA-8000 and later 64-bit CPUs, use the U-Turn version, whilst earlier systems, based on the PA-7200 CPU, used a different version of the chip called U2.

SEE ALSO #

astro(4), cpu(4), dino(4), gecko(4), gsc(4), intro(4), pci(4), runway(4), sti(4)

HISTORY #

The uturn driver appeared in OpenBSD 3.7.

OpenBSD 7.5 - April 27, 2008