October 20, 1997 GRFET 4 amiga

### NAME

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

### SYNOPSIS

grfet* at zbus0 grf6 at grfet? ite6 at grf6

### DESCRIPTION

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.

### HARDWARE

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

Domino
  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.

Merlin
  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.

oMnibus
  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.

### FILES

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

### SEE ALSO

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

### HISTORY

The grfet interface first appeared in NetBSD1.2.

### BUGS

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