BW(4S) — System Manager’s Manual — Special Files
NAME
bw − Sun black and white frame buffer
SYNOPSIS
TBD.
DESCRIPTION
The bw interface provides access to the Sun Workstation black-and-white graphics controller boards. It supports the FBIOGTYPE ioctl which a program can use to inquire as to the characteristics of the display device; see fbio(4S)
Reading or writing to the frame buffer is not allowed − you must use the mmap(2) system call to map the board into your address space.
FILES
/dev/bw[0-9]
SEE ALSO
mmap(2), cg(4S), fbio(4S)
Sun 1024 Video Board − User Manual (Sun 800-0420)
DIAGNOSTICS
None.
BUGS
Use of vertical-retrace interrupts is not supported.
Sun System Release 1.0 — 11 August 1983