BWTWO(4) NetBSD/sun2 Kernel Interfaces Manual BWTWO(4)Powered by man-cgi (2021-06-01). Maintained for NetBSD by Kimmo Suominen. Based on man-cgi by Panagiotis Christias.
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. NetBSD 9.1 June 10, 2016 NetBSD 9.1