4833 LX/T  (250-5145)             Pinouts               Faxback Doc. # 1706

The following tables indicate the pin functions of the VGA 1024 NI Adapter
connectors:

Video Port Connector Pin Assignments:

Pin   Function                         Pin    Function

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

Video Feature Edge Connector Pin Assignments:

Front (Component) Side of the Adapter

Pin   Function                    Pin   Function

 Y1   Pixel Data 0                 Y8   Pixel Data 7
 Y2   Pixel Data 1                 Y9   DAC CLOCK
 Y3   Pixel Data 2                 Y10  DAC Blanking
 Y4   Pixel Data 3                 Y11  Ext. Horizontal Sync
 Y5   Pixel Data 4                 Y12  Ext. Vertical Sync
 Y6   Pixel Data 5                 Y13  Ground
 Y7   Pixel Data 6

Back Side of the Adapter

Pin   Function                    Pin   Function

 Z1   Ground                       Z8   Ground
 Z2   Ground                       Z9   Ground
 Z3   Ground                       Z10  Ground
 Z4   Select Internal Video        Z11  Ground
 Z5   Select Internal Syncs        Z12  Not Used
 Z6   Select Internal DAC Clock    Z13  Not Used
 Z7   Not Used

Serial Ports:

Note: Both ports use DB9 pin assignments conforming to RS-232C protocol.

Serial Port Pin Assignments:       Keyboard and Mouse Connectors:

Pin     Function                   Pin     Function

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

Parallel I/O Printer Port:
(DB25 connector)

The port can be programmed as LPT1 for IRQ7, or LPT2 for IRQ5.

Pin     Function                  Pin     Function

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