Fixed-frequency monitors

The following tables list the resolutions supported on fixed-frequency (non-multiscan) monitors. The color depths for 1 MB and 2 MB of DRAM are also listed. You cannot change refresh rate and other timing items for fixed-frequency monitors.

Macintosh 21-Inch Color Display

Refresh rate: 68.7 kHz (horizontal), 75.08 Hz (vertical)

Color depth (bpp)

Resolution

1 MB

2 MB

640 x 400

16

16

640 x 480

16

16

800 x 600

8

8

1024 x 768

not supported

8

 

 

 

 

 

 

Macintosh 21-Inch Monochrome Display

Refresh rate: 68.7 kHz (horizontal), 75.08 Hz (vertical)

Color depth (bpp)

Resolution

1 MB

2 MB

640 x 400

16

16

640 x 480

16

16

800 x 600

8

8

1024 x 768

not supported

8

 

 

 

 

 

 

158 Appendix E

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Image 158
Apple 7300, 4400 Fixed-frequency monitors, Refresh rate 68.7 kHz horizontal, 75.08 Hz vertical, Color depth bpp Resolution