Apple lc 580.performa 580cd Service Manual

Specifications

Sound and Video - 9

Video Timings

640 x 480 Resolution @ 66.67 Hz

Horizontal Timing

Back Porch: 96 dots

H SYNC: 64 dots

Front Porch: 64 dots

1 dot: 33.06878 ns

1 H: 28.5714 µs

1/dot: 30.24 MHz

Vertical Timing

Back Porch: 39 H

V SYNC: 3 H

Front Porch: 3 H

1 H: 28.5714 µs

1/H: 35.000 kHz

1 V: 15.000 ms