(TXT) View Source
       
       # IMAGRAPH CORPORATION
       
          ITX SERIES
       
          Category                     Video                             
          Video Types Supported        MGA/CGA/XVGA                      
          Video Processor              Texas Instruments TMS34020        
          Highest Resolution Supported 1280 x 1024                       
          Data Bus Type                16-bit ISA                        
          Memory Type                  DRAM/VRAM (factory installed)     
          Maximum Onboard Memory       2MB VRAM/16MB DRAM                
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |     Purpose      | Location |      Purpose      | Location |
          |------------------+----------+-------------------+----------|
          | 15-pin analog    |   CN1    | Diagnostic header |   J13    |
          | video port       |          |                   |          |
          |------------------+----------+-------------------+----------|
          | VGA pass-through |   CN2    | Daughterboard     |  P8-P10  |
          |                  |          | headers           |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                SYNC ON GREEN CONFIGURATION                 |
          |------------------------------------------------------------|
          |             Mode              |           SW4/1            |
          |-------------------------------+----------------------------|
          |            Enabled            |             On             |
          |-------------------------------+----------------------------|
          |           Disabled            |            Off             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 VIDEO EMULATION SELECTION                  |
          |------------------------------------------------------------|
          |        » Mode          |      SW4/5      |      SW4/6      |
          |------------------------+-----------------+-----------------|
          | » |      Disabled      |       Off       |       Off       |
          |---+--------------------+-----------------+-----------------|
          | » |        MDA         |       On        |       Off       |
          |---+--------------------+-----------------+-----------------|
          | » |        CGA         |       Off       |       On        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               EMULATION EPROM CONFIGURATION                |
          |------------------------------------------------------------|
          |          » Setting           |             J4              |
          |------------------------------+-----------------------------|
          | » |        Installed         |      Pins 1 & 2 closed      |
          |---+--------------------------+-----------------------------|
          | » |      Not installed       |      Pins 2 & 3 closed      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              OUTPUT SYNC SIGNAL CONFIGURATION              |
          |------------------------------------------------------------|
          |            » Mode             |             J1             |
          |-------------------------------+----------------------------|
          | » |      Composite sync       |     Pins 1 & 2 closed      |
          |---+---------------------------+----------------------------|
          | » |      Horizontal sync      |     Pins 2 & 3 closed      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |           PASS-THROUGH SYNC SIGNAL CONFIGURATION           |
          |------------------------------------------------------------|
          |            » Mode             |             J5             |
          |-------------------------------+----------------------------|
          | » |      Composite sync       |     Pins 1 & 2 closed      |
          |---+---------------------------+----------------------------|
          | » |      Horizontal sync      |     Pins 2 & 3 closed      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    INTERRUPT SELECTION                     |
          |------------------------------------------------------------|
          |  » IRQ   |  J6   |  J7  |  J8  |  J9  | J10  | J11  | J12  |
          |----------+-------+------+------+------+------+------+------|
          |»|Disabled| Open  | Open | Open | Open | Open | Open | Open |
          |-+--------+-------+------+------+------+------+------+------|
          |»|  2/9   | Open  | Open | Open |Pins 2| Open | Open | Open |
          | |        |       |      |      | & 3  |      |      |      |
          |-+--------+-------+------+------+------+------+------+------|
          |»|   3    | Open  | Open | Open | Open | Open | Open |Pins 2|
          | |        |       |      |      |      |      |      | & 3  |
          |-+--------+-------+------+------+------+------+------+------|
          |»|   4    | Open  | Open | Open | Open | Open | Open |Pins 1|
          | |        |       |      |      |      |      |      | & 2  |
          |-+--------+-------+------+------+------+------+------+------|
          |»|   5    | Open  | Open | Open | Open | Open |Pins 2| Open |
          | |        |       |      |      |      |      | & 3  |      |
          |-+--------+-------+------+------+------+------+------+------|
          |»|   6    | Open  | Open | Open | Open | Open |Pins 1| Open |
          | |        |       |      |      |      |      | & 2  |      |
          |-+--------+-------+------+------+------+------+------+------|
          |»|   7    | Open  | Open | Open | Open |Pins 2| Open | Open |
          | |        |       |      |      |      | & 3  |      |      |
          |-+--------+-------+------+------+------+------+------+------|
          |»|   10   | Open  | Open | Open |Pins 1| Open | Open | Open |
          | |        |       |      |      | & 2  |      |      |      |
          |-+--------+-------+------+------+------+------+------+------|
          |»|   11   | Open  | Open |Pins 2| Open | Open | Open | Open |
          | |        |       |      | & 3  |      |      |      |      |
          |-+--------+-------+------+------+------+------+------+------|
          |»|   12   | Open  | Open |Pins 1| Open | Open | Open | Open |
          | |        |       |      | & 2  |      |      |      |      |
          |-+--------+-------+------+------+------+------+------+------|
          |»|   14   | Open  |Pins 2| Open | Open | Open | Open | Open |
          | |        |       | & 3  |      |      |      |      |      |
          |-+--------+-------+------+------+------+------+------+------|
          |»|   15   |Pins 1 | Open | Open | Open | Open | Open | Open |
          | |        |  & 2  |      |      |      |      |      |      |
          |------------------------------------------------------------|
          |Note: Pins designated are in the closed position.           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 BASE I/O ADDRESS SELECTION                 |
          |------------------------------------------------------------|
          |   A total of 4096 memory address settings are available.   |
          |   The address is selected by setting the hexadecimal       |
          |   numerals on switches SW1-SW3. SW1 is the Most            |
          |   Significant Numeral, and SW3 is the Least Significant    |
          |   Numeral. For example, if SW1 = 2, SW2 = B, and SW3 = 0,  |
          |   the address would be 2B0h.                               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |       Bank 0       |       Bank 1       |
          |------------------+--------------------+--------------------|
          |       1MB        |   (1) 256K x 36    |        NONE        |
          |------------------+--------------------+--------------------|
          |       2MB        |   (1) 256K x 36    |   (1) 256K x 36    |
          |------------------+--------------------+--------------------|
          |       2MB        |   (1) 512K x 36    |        NONE        |
          |------------------+--------------------+--------------------|
          |       3MB        |   (1) 512K x 36    |   (1) 256K x 36    |
          |------------------+--------------------+--------------------|
          |       4MB        |   (1) 512K x 36    |   (1) 512K x 36    |
          |------------------+--------------------+--------------------|
          |       4MB        |    (1) 1M x 36     |        NONE        |
          |------------------+--------------------+--------------------|
          |       5MB        |    (1) 1M x 36     |   (1) 256K x 36    |
          |------------------+--------------------+--------------------|
          |       6MB        |    (1) 1M x 36     |   (1) 512K x 36    |
          |------------------+--------------------+--------------------|
          |       8MB        |    (1) 1M x 36     |    (1) 1M x 36     |
          |------------------+--------------------+--------------------|
          |       8MB        |    (1) 2M x 36     |        NONE        |
          |------------------+--------------------+--------------------|
          |       9MB        |    (1) 2M x 36     |   (1) 256K x 36    |
          |------------------+--------------------+--------------------|
          |       10MB       |    (1) 2M x 36     |   (1) 512K x 36    |
          |------------------+--------------------+--------------------|
          |       12MB       |    (1) 2M x 36     |    (1) 1M x 36     |
          |------------------+--------------------+--------------------|
          |       16MB       |    (1) 2M x 36     |    (1) 2M x 36     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             FACTORY CONFIGURED - DO NOT ALTER              |
          |------------------------------------------------------------|
          |         Jumper/Switch         |          Position          |
          |-------------------------------+----------------------------|
          |              J2               |        Unidentified        |
          |-------------------------------+----------------------------|
          |              J3               |        Unidentified        |
          |-------------------------------+----------------------------|
          |             SW4/2             |            N/A             |
          |-------------------------------+----------------------------|
          |             SW4/3             |            N/A             |
          |-------------------------------+----------------------------|
          |             SW4/4             |            N/A             |
          +------------------------------------------------------------+