October 20, 1997 GRFRT 4 amiga

### NAME

grfrt - 8-bit color graphics driver

### SYNOPSIS

grfrt0 at zbus0 grf1 at grfrt0 ite1 at grf1

### DESCRIPTION

The grfrt device driver supports graphics boards with the NCR 77C22E+ chipset. It supports the minimal ioctl's needed to run X11.

### HARDWARE

The grfrt interface supports the following ZorroII expansion card:

Retina Z2
  A Zorro II only card. From Macro System, manufacturer 18260, product 6.

### FILES

```/dev/grf1`
  graphics interface special file
```/dev/ttye1`
  console interface special file for the internal terminal emulator

### SEE ALSO

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

### HISTORY

The grfrt interface first appeared in NetBSD1.0.

### BUGS

grfrt does not allow setting graphics modes with grfconfig(8).