(TXT) View Source
       
       # COMPUDYNE
       
          UTD 4800AIO EISA VESA ZIF
       
          Processor        80486DX/80486DX2                              
          Processor Speed  25/33/40/50(internal)/50/66(internal)MHz      
          Chip Set         OPTI                                          
          Video Chip Set   None                                          
          Maximum Onboard  Unidentified                                  
          Memory           
          Maximum Video    None                                          
          Memory           
          Cache            64/128/256/512/1024KB                         
          BIOS             Unidentified                                  
          Dimensions       330mm x 218mm                                 
          I/O Options      32-bit VESA local bus slot, floppy drive      
                           interface, IDE interface, parallel port,      
                           serial ports (2)                              
          NPU Options      None                                          
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose        | Location | Purpose             | Location |
          |----------------+----------+---------------------+----------|
          | Serial port 1  |    P4    | Reset switch        |    P9    |
          |----------------+----------+---------------------+----------|
          | Serial port 2  |    P5    | IDE interface LED   |   P10    |
          |----------------+----------+---------------------+----------|
          | Parallel port  |    P6    | Speaker             |   P11    |
          |----------------+----------+---------------------+----------|
          | IDE interface  |    P7    | Power LED & keylock |   P12    |
          |----------------+----------+---------------------+----------|
          | Floppy drive   |    P8    | 32-bit VESA local   |   SL1    |
          | interface      |          | bus slot            |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function               | Label |   Position   |
          |-------------------------------------+-------+--------------|
          | » | IDE I/O channel RDY signal      |  J1   |     Open     |
          |   | select none                     |       |              |
          |---+---------------------------------+-------+--------------|
          |   | IDE I/O channel RDY signal      |  J1   |    Closed    |
          |   | select drive                    |       |              |
          |---+---------------------------------+-------+--------------|
          | » | Flash BIOS programming disabled |  J2   |     Open     |
          |---+---------------------------------+-------+--------------|
          |   | Flash BIOS programming enabled  |  J2   |    Closed    |
          |---+---------------------------------+-------+--------------|
          | » | Factory configured - do not     |  J3   | Unidentified |
          |   | alter                           |       |              |
          |---+---------------------------------+-------+--------------|
          | » | Factory configured - do not     |  J4   | Unidentified |
          |   | alter                           |       |              |
          |---+---------------------------------+-------+--------------|
          | » | ISA BUS ready timing ISA RDY    |  J26  |     Open     |
          |---+---------------------------------+-------+--------------|
          |   | ISA BUS ready timing EISA RDY   |  J26  |    Closed    |
          |---+---------------------------------+-------+--------------|
          | » | READY RTN generation select     |  J28  |  Pins 1 & 2  |
          |   | local bus                       |       |    closed    |
          |---+---------------------------------+-------+--------------|
          |   | READY RTN generation select     |  J28  |  Pins 2 & 3  |
          |   | system                          |       |    closed    |
          |---+---------------------------------+-------+--------------|
          | » | VL BUS not delayed              |  J29  |    Closed    |
          |---+---------------------------------+-------+--------------|
          |   | VL BUS delayed                  |  J29  |     Open     |
          |---+---------------------------------+-------+--------------|
          | » | Monitor type select color       |  J31  |    Closed    |
          |---+---------------------------------+-------+--------------|
          |   | Monitor type select monochrome  |  J31  |     Open     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Note: The maximum amount of memory is unidentified.        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size  |   Bank 0   |  Bank 1   | TAG (U61)  |     TAG      |
          |-------+------------+-----------+------------+--------------|
          | 64KB  | (4) 8K x 8 | (4) 8K x  | (1) 64K x  | Unidentified |
          |       |            |     8     |     1      |              |
          |-------+------------+-----------+------------+--------------|
          | 128KB | (4) 32K x  |   None    | (1) 64K x  | Unidentified |
          |       |     8      |           |     1      |              |
          |-------+------------+-----------+------------+--------------|
          | 256KB | (4) 32K x  | (4) 32K x | (1) 64K x  | Unidentified |
          |       |     8      |     8     |     1      |              |
          |-------+------------+-----------+------------+--------------|
          | 512KB | (4) 64K x  | (4) 64K x | (1) 64K x  | Unidentified |
          |       |     8      |     8     |     1      |              |
          |-------+------------+-----------+------------+--------------|
          |  1MB  | (4) 128K x | (4) 128K  | (1) 64K x  | Unidentified |
          |       |     8      |    x 8    |     1      |              |
          |------------------------------------------------------------|
          | Note: The location of banks 0 & 1 is unidentified.         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          |  Size   |   J19    |   J20   |   J21   |   J22   |   J23   |
          |---------+----------+---------+---------+---------+---------|
          |  64KB   |   Open   |  Open   |  Open   |  Open   |  Open   |
          |---------+----------+---------+---------+---------+---------|
          |  128KB  |   Open   | Closed  |  Open   |  Open   |  Open   |
          |---------+----------+---------+---------+---------+---------|
          |  256KB  |  Closed  | Closed  |  Open   |  Open   |  Open   |
          |---------+----------+---------+---------+---------+---------|
          |  512KB  |  Closed  | Closed  | Closed  |  Open   | Closed  |
          |---------+----------+---------+---------+---------+---------|
          |   1MB   |  Closed  | Closed  | Closed  | Closed  | Closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             CACHE JUMPER CONFIGURATION(CON’T)              |
          |------------------------------------------------------------|
          | Size  |  J24   |  J25   |       J27       |      J30       |
          |-------+--------+--------+-----------------+----------------|
          | 64KB  |  Open  |  Open  |   Pins 2 & 3    |   Pins 2 & 3   |
          |       |        |        |     closed      |     closed     |
          |-------+--------+--------+-----------------+----------------|
          | 128KB |  Open  | Closed |   Pins 1 & 2    |   Pins 1 & 2   |
          |       |        |        |     closed      |     closed     |
          |-------+--------+--------+-----------------+----------------|
          | 256KB | Closed | Closed |   Pins 2 & 3    |   Pins 2 & 3   |
          |       |        |        |     closed      |     closed     |
          |-------+--------+--------+-----------------+----------------|
          | 512KB | Closed | Closed |   Pins 1 & 2    |   Pins 1 & 2   |
          |       |        |        |     closed      |     closed     |
          |-------+--------+--------+-----------------+----------------|
          |  1MB  | Closed | Closed |   Pins 2 & 3    |   Pins 2 & 3   |
          |       |        |        |     closed      |     closed     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CPU SPEED SELECTION                     |
          |------------------------------------------------------------|
          | Speed  |  J11  |  J12  |  J13  |  J15  | J16 | J17 |  J18  |
          |--------+-------+-------+-------+-------+-----+-----+-------|
          | 25MHz  | 2 & 3 | Open  | Open  |Closed |Open |Open |Closed |
          |--------+-------+-------+-------+-------+-----+-----+-------|
          | 33MHz  | 2 & 3 |Closed | Open  |Closed |Open |Open | Open  |
          |--------+-------+-------+-------+-------+-----+-----+-------|
          | 40MHz  | 2 & 3 | Open  |Closed | Open  |Open |Open |Closed |
          |--------+-------+-------+-------+-------+-----+-----+-------|
          | 50iMHz | 2 & 3 | Open  | Open  |Closed |Open |Open |Closed |
          |--------+-------+-------+-------+-------+-----+-----+-------|
          | 50MHz  | 1 & 2 |Closed |Closed |Closed |Open |Open |Closed |
          |--------+-------+-------+-------+-------+-----+-----+-------|
          | 66iMHz | 2 & 3 |Closed | Open  |Closed |Open |Open | Open  |
          |------------------------------------------------------------|
          |Note: Pins designated should be in the closed position.     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   DMA CHANNEL SELECTION                    |
          |------------------------------------------------------------|
          |Channel |   J5   |   J6   |   J7   |   J8   |  J9   |  J10  |
          |--------+--------+--------+--------+--------+-------+-------|
          |   5    |  Open  |  Open  | Closed | Closed | Open  | Open  |
          |--------+--------+--------+--------+--------+-------+-------|
          |   6    |  Open  | Closed |  Open  |  Open  |Closed | Open  |
          |--------+--------+--------+--------+--------+-------+-------|
          |   7    | Closed |  Open  |  Open  |  Open  | Open  |Closed |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                VL BUS WAIT STATE SELECTION                 |
          |------------------------------------------------------------|
          |             Setting             |           J14            |
          |---------------------------------+--------------------------|
          | »      |           0            |           Open           |
          |--------+------------------------+--------------------------|
          |        |           1            |          Closed          |
          +------------------------------------------------------------+