(TXT) View Source
       
       # STB SYSTEMS, INC.
       
          CHANNEL 4G
       
          Category                   Video                               
          Video Types Supported      XVGA                                
          Video Processor            Unidentified                        
          Highest Resolution         1280 x 1024                         
          Supported                  
          Data Bus Type              16-bit ISA                          
          Memory Type                DRAM                                
          Maximum Onboard Memory     4MB (1MB of on-board DRAM per port) 
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |    Purpose     | Location |       Purpose       | Location |
          |----------------+----------+---------------------+----------|
          | VGA feature    |   CN1    | Coax connector      |    P2    |
          | connector      |          | (Port 1)            |          |
          |----------------+----------+---------------------+----------|
          | VGA feature    |   CN2    | Coax connector      |    P3    |
          | connector      |          | (Port 2)            |          |
          |----------------+----------+---------------------+----------|
          | VGA feature    |   CN3    | Coax connector      |    P4    |
          | connector      |          | (Port 3)            |          |
          |----------------+----------+---------------------+----------|
          | VGA feature    |   CN4    | Coax connector      |    P5    |
          | connector      |          | (Port 4)            |          |
          |----------------+----------+---------------------+----------|
          | VGA connector  |    P1    | Refresh signal      |    P6    |
          |                |          | synchronization     |          |
          |                |          | connector           |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    COLOR TYPE SELECTION                    |
          |------------------------------------------------------------|
          | Type  |     J8      |     J9     |    J10     |    J11     |
          |-------+-------------+------------+------------+------------|
          | Color | Pins 1 & 2  | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 |
          |       |   closed    |   closed   |   closed   |   closed   |
          |-------+-------------+------------+------------+------------|
          | Mono  | Pins 2 & 3  | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 |
          |       |   closed    |   closed   |   closed   |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               NTSC/PAL OUTPUT CONFIGURATION                |
          |------------------------------------------------------------|
          |     Setting      |        J13         |        J14         |
          |------------------+--------------------+--------------------|
          |       NTSC       | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |       PAL        | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                CRYSTAL FREQUENCY SELECTION                 |
          |------------------------------------------------------------|
          |          Setting           |              J12              |
          |----------------------------+-------------------------------|
          |           Master           |       Pins 1 & 2 closed       |
          |----------------------------+-------------------------------|
          |           Slave            |       Pins 2 & 3 closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               BOARD IDENTIFICATION SELECTION               |
          |------------------------------------------------------------|
          |     Board     |    SW1/1     |    SW1/2     |    SW1/3     |
          |---------------+--------------+--------------+--------------|
          |       0       |     Off      |     Off      |     Off      |
          |---------------+--------------+--------------+--------------|
          |       1       |     Off      |     Off      |      On      |
          |---------------+--------------+--------------+--------------|
          |       2       |     Off      |      On      |     Off      |
          |---------------+--------------+--------------+--------------|
          |       3       |     Off      |      On      |      On      |
          |---------------+--------------+--------------+--------------|
          |       4       |      On      |     Off      |     Off      |
          |---------------+--------------+--------------+--------------|
          |       5       |      On      |     Off      |      On      |
          |---------------+--------------+--------------+--------------|
          |       6       |      On      |      On      |     Off      |
          |---------------+--------------+--------------+--------------|
          |       7       |      On      |      On      |      On      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             FACTORY CONFIGURED - DO NOT ALTER              |
          |------------------------------------------------------------|
          |           Switch            |           Position           |
          |-----------------------------+------------------------------|
          |            SW1/4            |             Off              |
          +------------------------------------------------------------+