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BMD(4) NetBSD/x68k Kernel Interfaces Manual BMD(4)
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by Kimmo Suominen.
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bmd -- Nereid bank memory disk driver
bmd* at intio0 addr 0xece3f0
bmd* at intio0 addr 0xecebf0
The bmd driver provides a memory disk for the Nereid bank memory space.
There is no special command to configure it, because bmd is not a logical
disk as md(4).
/dev/bmd?? block mode bank memory disk
/dev/rbmd?? raw mode bank memory disk
In order to use it, do as follows:
mount /dev/bmd0c /mnt
bmd appeared in NetBSD 2.0.
NetBSD 9.1 February 17, 2017 NetBSD 9.1