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External Video Port

The 15-inch PowerBook G4 has a video port that provides S-video output to a PAL or NTSC video monitor or VCR. The video output connector is a 7-pin S-video connector. Figure 3-10 shows the arrangement of the pins and Table 3-18 shows the pin assignments on the S-video connector.


Figure 3-10  S-video connector

S-video connector

Table 3-18  Pin assignments for the S-video output connector

Pin number

S-video output connector

1

Analog GND

2

Analog GND

3

Video Y (luminance)

4

Video C (chroma)

5

composite video

6

Unused

7

Unused

An adapter (included) can be plugged into the S-video connector and accepts an RCA plug for connecting a composite video monitor.

The 15-inch PowerBook G4 provides video output at picture sizes and frame rates compatible with the NTSC and PAL standards; the picture sizes are listed in Table 3-19. Those picture sizes produce underscanned displays on standard monitors.

Table 3-19  Picture sizes for S-video output

Picture size

Pixel depth

512 by 384

24 bpp

640 by 480

24 bpp

720 by 480 (NTSC only)

24 bpp

720 by 576 (PAL only)

24 bpp

800 by 600

24 bpp

832 by 624

24 bpp

1024 by 768

24 bpp



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Last updated: 2005-10-27




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