Dual Display Graphics Adapter  (250-3045)   Pinouts     Faxback Doc. # 2085

DB-9 Female Connector:

Color/Emulation Modes                   Monochrome Mode
 
 Pin       Signal                      Pin       Signal

  1        Ground                       1        Ground
  2        Ground                       2        Ground
  3        Red                          3        Not Used
  4        Green                        4        Not Used
  5        Blue                         5        Not Used
  6        Intensity                    6        Intensity
  7        Composite Video*             7        Video
  8        Hori. Sync                   8        Hori. Sync.
  9        Vert. Sync.                  9        Vert. Sync.

* Pin 7 is:

  + monochrome video when switch 3 is on and switch 4 is off.

  + color composite when switches 4 and 5 are on and switch 3 is off.

  + monochrome composite video when switch 4 is on and switches 3 and 5 are     
    off.

  + open when switches 3 and 4 are off.

Composite Video can be disabled to allow for connection with IBM Enhanced 
Color Monitor.