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## 7. Using framebuffer devices on Amiga m68k platforms

This section describes the options for Amigas, which are quite similiar to that for the Atari m68k platforms.

## 7.1 What modes are available for Amiga m68k platforms?

This depends on the chipset used in the Amiga. There are three main ones; `OCS, ECS and AGA` which all uses the colour frame buffer device.

- NTSC modes
  - `ntsc` - 640x200
  - `ntsc-lace` - 640x400
- PAL modes
  - `pal` - 640x256
  - `pal-lace` - 640x512
- ECS modes - 2 bit colours on ECS, 8 bit colours on AGA chipsets only.
  - `multiscan` - 640x480
  - `multiscan-lace` - 640x960
  - `euro36` - 640x200
  - `euro36-lace` - 640x400
  - `euro72` - 640x400
  - `euro72-lace` - 640x800
  - `super72` - 800x300
  - `super72-lace` - 800x600
  - `dblntsc` - 640x200
  - `dblpal` - 640x256
  - `dblntsc-ff` - 640x400
  - `dblntsc-lace` - 640x800
  - `dblpal-ff` - 640x512
  - `dblpal-lace` - 640x1024
- VGA modes - 2 bit colours on ECS, 8 bit colours on AGA chipsets only.
  - `vga` - 640x480
  - `vga70` - 640x400

## 7.2 Additional suboptions on Amiga m68k platforms

These are similar to the Atari m68k suboptions. They are:

- `depth` - specifies the pixel bit depth.
- `inverse` - does the same thing as the Atari suboption.
- `font` - does the same thing as the Atari suboption, although the `PEARL8x8` font is used instead of `VGA8x8` font, if the display size is less than 400 pixel wide.
- `monitorcap` - specifies the capabilities of the multisync monitor. Do not use with fixed sync monitors.

## 7.3 Supported Amiga graphic expansion boards

- `Phase5 CyberVision 64` (S3 Trio64 chipset)
- `Phase5 CyverVision 64-3D` (S3 ViRGE chipset)
- `MacroSystems RetinaZ3` (NCR 77C32BLT chipset)
- `Helfrich Piccolo, SD64, GVP ECS Spectrum, Village Tronic Picasso II`II+ and IV/ (Cirrus Logic GD542x/543x)

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