XY(4) Device Drivers Manual (sparc) XY(4)

xy
Xylogics 450 or 451 VME SMD disk controller driver

xyc0 at vmes0 addr 0xffffee40 level 3 vect 0x48 (sun4)
xyc1 at vmes0 addr 0xffffee48 level 3 vect 0x49 (sun4)
xy* at xyc? drive ? (sun4)

The xy is a Xylogics 450/451 SMD disk controller found on sun4 systems with the VME bus.

sparc/intro(4), sparc/xd(4)

Xylogics manuals (scanned)

The xy driver first appeared in NetBSD 1.1 and was written by Charles D. Cranor.
February 17, 2017 NetBSD 9.4