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GRFET(4) Device Drivers Manual (amiga) GRFET(4)

grfet — 8/16/24/32-bit color graphics driver

grfet* at zbus0
grf6 at grfet?
ite6 at grf6

The grfet device driver supports graphics boards with the Tseng ET4000 or ET4000W32 chipset and a Sierra 11483 or Brooktree BT482 DAC. It supports the minimal ioctl's needed to run X11.

The grfet interface supports the following ZorroII/III expansion cards:

A Zorro II only card with the Tseng ET4000 chipset and a Sierra 11483 DAC. From Village Tronic, manufacturer 2167, product 1 for the memory base and 2 for the register base.
A Zorro II/III card with the Tseng ET4000W32 chipset and a Brooktree BT482 DAC. From Expert, manufacturer 2117, with the product 3 for the memory base and 4 for the register base.
A Zorro II only Zorro/AT bridge board with a separate VGA card usually with a Tseng ET4000 chipset and a Sierra 11483 DAC, but a few others are also supported. Once made by Oliver Bausch and sold by Armax, manufacturer 2181, product 0 for the memory base and also 0 for the register base.

/dev/grf6
graphics interface special file
/dev/ttye6
console interface special file for the internal terminal emulator

amiga/console(4), amiga/ite(4), amiga/grfconfig(8)

The grfet interface first appeared in NetBSD 1.2.

grfet does not support the sync-on-green flag from amiga/grfconfig(8).

February 17, 2017 NetBSD-9.2