- NetBSD Manual Pages
XD(4) NetBSD/sparc Kernel Interfaces Manual XD(4)
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by Kimmo Suominen.
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xd -- Xylogics 753 or 7053 VME SMD disk controller driver
xdc0 at vmel0 addr 0xffffee80 level 3 vect 0x44 (sun4)
xdc1 at vmel0 addr 0xffffee90 level 3 vect 0x45 (sun4)
xdc2 at vmel0 addr 0xffffeea0 level 3 vect 0x46 (sun4)
xdc3 at vmel0 addr 0xffffeeb0 level 3 vect 0x47 (sun4)
xd* at xdc? drive ? (sun4)
The xd is a Xylogics 753 or 7053 SMD disk controller found on sun4 sys-
tems with the VME bus. The Xylogics 753 and 7053 are programmed the same
way, but are different sizes. The 753 is a 6U VME card, while the 7053
is a 9U VME card.
Xylogics manuals (scanned):
The xd driver first appeared in NetBSD 1.1 and was written by Charles D.
NetBSD 10.99 February 17, 2017 NetBSD 10.99