4016 DX  (250-5001)               Pinouts               Faxback Doc. # 1546

The following tables indicate the pin functions of the VGA adapter
connectors.

Video Port Connector Pinout

  Pin     Function

   1      Red Video
   2      Green Video
   3      Blue Video
   4      Monitor ID Bit 2 (not used)
   5      Ground
   6      Red Return (ground)
   7      Green Return (ground)
   8      Blue Return (ground)
   9      Key (no pin)
   10     Sync Return (ground)
   11     Monitor ID Bit 0 (not used)
   12     Monitor ID Bit 1 (not used)
   13     Horizontal Sync
   14     Vertical Sync
   15     Not Used

Monochrome-type monitors use Green Video for all video input and
ignore Red Video and Blue Video.

Monitor ID Bits are not used. The monitor type is determined when your
system is turned on.

Video Feature Edge Connector Pinout

  Pin     Function              Front (Component) Side of the Adapter
 
   Y1     C0 (Color Bit 0)
   Y2     C1 (Color Bit 1)
   Y3     C2 (Color Bit 2)
   Y4     C3 (Color Bit 3
   Y5     C4 (Color Bit 4)
   Y6     C5 (Color Bit 5)
   Y7     C6 (Color Bit 6)
   Y8     C7 (Color Bit 7)
   Y9     DAC Clock
   Y10    DAC Blanking
   Y11    Ext. Horizontal Sync
   Y12    Ext. Vertical Sync
   Y13    Ground

  Pin     Function  Back Side of the Adapter

   Z1     Ground
   Z2     Ground
   Z3     Ground
   Z4     Select Internal Video
   Z5     Select Internal Syncs
   Z6     Select Internal DAC
   Z7     Not Used
   Z8     Ground
   Z9     Ground
  Z10     Ground
  Z11     Ground
  Z12     Not Used
  Z13     Not Used
RS-232C serial port

     Pin Assignments:

   1      Carrier Detect
   2      Receive Data
   3      Transmit Data
   4      Data Terminal Ready
   5      Signal Ground
   6      Data Set Ready
   7      Request To Send
   8      Clear To Send
   9      Ring Indicator

                      ADDITIONAL PINOUTS ON NEXT PAGE

Parallel I/O printer port (25-pin connector)

     Pin Assignments:

   1      Strobe
   2      Data Bit 0
   3      Data Bit 1
   4      Data Bit 2
   5      Data Bit 3
   6      Data Bit 4
   7      Data Bit 5
   8      Data Bit 6
   9      Data Bit 7
   10     ACKNOWLEDGE
   11     BUSY
   12     PAPER  END
   13     SELECT
   14     AUTO FEED
   15     ERROR
   16     INITIALIZE
   17     SELECT IN
 18-25    Ground

Keyboard, mouse, and auxiliary device connectors

     Pin Assignments:

   1      Data
   2      Reserved
   3      Ground
   4      +5 Vdc
   5      Clock
   6      Reserved