BWTWO(4) Device Drivers Manual (sun2) BWTWO(4)

bwtwo
Sun monochromatic frame buffer

bwtwo0 at obmem0 addr 0x700000
bwtwo0 at obio addr 0x0

The bwtwo is a memory based black and white frame buffer. It supports the minimal ioctl's needed to run X.
June 10, 2016 NetBSD 9.4