# CDTV Video Slot

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(At the computer)

30 PIN ??? CONNECTOR at the computer.

Pin | Name | Description
--- | --- | ---
1 | GND | Video Ground
2 | GND | Video Ground
3 | XCLK | External Genlock Clock (in)
4 | R | Red (in to video card)
5 | /XCLKEN | Enables External Clock on XCLK.
6 | BR | Buffered Red (out from video card)
7 | GND | Video Ground
8 | G | Green (in to video card)
9 | GMS0 | Genlock mode 0 (from computer, genlock button)
10 | BG | Buffered Green (out from video card)
11 | GMS1 | Genlock mode 1 (from computer, genlock button)
12 | B | Blue (in to video card)
13 | /PIXELSW | Genlock signal
14 | BB | Buffered Blue (out from video card)
15 | VSYNC | Vertical Sync (in to video card)
16 | CSYNC | Horizontal Sync (in to video card)
17 | HSYNC | Composite Sync (in to video card)
18 | BCSYNC | Buffered Composite Sync (out from video card)
19 | GND | Video Ground
20 | AUDR | Audio Right Output (from computer to RF modulator)
21 | DGND | Digital Ground
22 | AUDL | Audio Left Output (from computer to RF modulator)
23 | -12V | -12 VDC (can be -5 VDC instead)
24 | DGND | Digital Ground
25 | +12V | +12 VDC
26 | /CD/TV | CD/TV button. (Low=CDTV video on RF, High=Antenna)
27 | VCC | +5 VDC
28 | /CCK | 3.58 MHz color clock (C1 clock)
29 | GND | Video Ground
30 | VCC | +5 VDC