UTURN(4) | Device Drivers Manual (hppa) | UTURN(4) |
uturn
— U2/Uturn,
Runway to GSC Bus I/O Adapter
uturn* at mainbus?
astro* at uturn?
dino* at uturn?
lasi* at uturn?
sti* at uturn?
uturn
provides the functionality of an I/O
Adapter (IOA) from the Runway CPU and memory bus to two GSC busses. 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
.
hppa/astro(4), hppa/cpu(4), hppa/dino(4), hppa/gsc(4), hppa/intro(4), pci(4), sti(4)
The uturn
driver appeared in
OpenBSD 3.7. It was ported to
NetBSD 6.0 by Nick Hudson.
February 17, 2017 | NetBSD 10.99 |