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       # INDUSTRIAL COMPUTER SOURCE
       
          AOB2-P
       
          Card Type           Analog to digital converter                
          I/O Options         parallel port                              
          Data Bus            8-bit ISA                                  
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |           Function            |           Label            |
          |-------------------------------+----------------------------|
          |       25-pin connector        |             J1             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   OUTPUT RANGE SELECTION                   |
          |------------------------------------------------------------|
          |      Function      |         S2         |        S3        |
          |--------------------+--------------------+------------------|
          | 0V - +5V           | Pins 1 & 2 closed  |    Pins 1 & 2    |
          |                    |                    |      closed      |
          |--------------------+--------------------+------------------|
          | 0V - +10V          | Pins 2 & 3 closed  |    Pins 2 & 3    |
          |                    |                    |      closed      |
          |--------------------+--------------------+------------------|
          | -5V - +5V          | Pins 1 & 2 closed  |    Pins 1 & 2    |
          |                    |                    |      closed      |
          |--------------------+--------------------+------------------|
          | -10V - +10V        | Pins 2 & 3 closed  |    Pins 2 & 3    |
          |                    |                    |      closed      |
          |--------------------+--------------------+------------------|
          | +mA - 20mA         | Pins 1 & 2 closed  |    Pins 1 & 2    |
          |                    |                    |      closed      |
          |------------------------------------------------------------|
          | Note: Output range may be alternatively be selected using  |
          | the I/O connector whose location is unidentified.          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 BASE I/O ADDRESS SELECTION                 |
          |------------------------------------------------------------|
          |  Setting  | S2/1 | S2/2 | S2/3 | S2/4 | S2/5 | S2/6 | S2/7 |
          |-----------+------+------+------+------+------+------+------|
          |    | 000h |  On  |  On  |  On  |  On  |  On  |  On  |  On  |
          |----+------+------+------+------+------+------+------+------|
          |    | 018h | Off  | Off  |  On  |  On  |  On  |  On  |  On  |
          |----+------+------+------+------+------+------+------+------|
          |    | 038h | Off  | Off  | Off  |  On  |  On  |  On  | Off  |
          |----+------+------+------+------+------+------+------+------|
          |    | 100h |  On  |  On  |  On  |  On  |  On  | Off  |  On  |
          |----+------+------+------+------+------+------+------+------|
          |    | 200h |  On  |  On  |  On  |  On  |  On  |  On  | Off  |
          |----+------+------+------+------+------+------+------+------|
          | ยป  | 300h |  On  |  On  |  On  |  On  |  On  | Off  | Off  |
          |----+------+------+------+------+------+------+------+------|
          |    | 380h |  On  |  On  |  On  |  On  | Off  | Off  | Off  |
          |----+------+------+------+------+------+------+------+------|
          |    | 3C0h |  On  |  On  |  On  | Off  | Off  | Off  | Off  |
          |----+------+------+------+------+------+------+------+------|
          |    | 3E0h |  On  |  On  | Off  | Off  | Off  | Off  | Off  |
          |----+------+------+------+------+------+------+------+------|
          |    | 3F0h |  On  | Off  | Off  | Off  | Off  | Off  | Off  |
          |----+------+------+------+------+------+------+------+------|
          |    | 3F8h | Off  | Off  | Off  | Off  | Off  | Off  | Off  |
          |------------------------------------------------------------|
          |                           Note:                            |
          |                                                            |
          | A total of 128 base address settings are available. The    |
          | switches are a binary representation of the decimal memory |
          | addresses. S2/7 is the Most Significant Bit and switch     |
          | S2/1 is the Least Significant Bit. The switches have the   |
          | following decimal values: S2/7=512, S2/6=256, S2/5=128,    |
          | S2/4=64, S2/3=32, S2/2=16, S2/1=8. Turn off the switches   |
          | and add the values of the switches to obtain the correct   |
          | memory address. (Off=1, On=0)                              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               MISCELLANEOUS TECHNICAL NOTES                |
          |------------------------------------------------------------|
          |      Pin 1 placements for S2 and S3 may vary on your card, |
          |      but the orientation remains the same.                 |
          +------------------------------------------------------------+