
JAMECO ELECTRONIC COMPONENTS

JE1078

Card Type          Multi I/O card
Chipset/Controller Unidentified
I/O Options        Game port, memory, parallel port, serial port
Maximum DRAM       384KB

[Image]

                            CONNECTIONS

        Purpose          Location         Purpose          Location

  Serial port              J1       Game port                J3

  Parallel port            J2

                         SERIAL PORT CONFIGURATION

             Port 1 (J1)                               JP2

                  COM1                         Pins 2 & 3 closed

                   COM2                         Pins 1 & 2 closed

               SERIAL PORT NORMAL/FORCED TRUE CONFIGURATION

                Port 1                                 JP4

                  Normal                Pins 1 & 4, 2 & 5, 3 & 6 closed

                Forced True              Pins 4 & 7, 5 & 8, 6 & 9 closed

                      SERIAL PORT INTERRUPT SELECTION

                Port 1                                 JP1

                  IRQ4                         Pins 3 & 4 closed

                   IRQ3                         Pins 2 & 4 closed

                        PARALLEL PORT CONFIGURATION

       LPT              IRQ7          JP1/Pins 13 & 14         JP2

         1            Enabled             Closed           Pins 5 & 6
                                                              closed

          2           Disabled              Open            Pins 4 & 5
                                                              closed

                       CLOCK/CALENDAR CONFIGURATION

           Select               I/O Port Address             JP2

            Clock 2              2C0h - 2DFh         Pins 7 & 8 closed

             Clock 1              340h - 35Fh         Pins 8 & 9 closed

            Disabled                  N/A                    Open

     CLOCK/CALENDAR INTERRUPT SELECTION

         IRQ                   JP1

          4             Pins 5 & 6 closed

          5             Pins 7 & 8 closed

          7             Pins 9 & 10 closed

          2             Pins 11 & 12 closed

                              DRAM CONFIGURATION

  Size    Bank    Bank    Bank    Bank    Bank   Bank    SW1/4   SW1/5   SW1/6
           0       1       2       3       4      5

  64KB     (9)   None    None    None    None    None    Off     Off     Off
          4164

  128KB    (9)    (9)    None    None    None    None    Off     Off      On
          4164   4164

  192KB    (9)    (9)     (9)    None    None    None    Off      On     Off
          4164   4164    4164

  256KB    (9)    (9)     (9)     (9)    None    None     On     Off     Off
          4164   4164    4164    4164

  320KB    (9)    (9)     (9)     (9)     (9)    None     On     Off      On
          4164   4164    4164    4164    4164

  384KB    (9)    (9)     (9)     (9)     (9)     (9)     On      On     Off
          4164   4164    4164    4164    4164    4164

                   STARTING MEMORY ADDRESS CONFIGURATION

  Starting Address     Max. RAM on       SW1/1       SW1/2        SW1/3
                         JE1078

    0KB (:00000)          384KB           Off         Off          Off

   64KB (:10000)          384KB           Off         Off          On

   128KB (:20000)         384KB           Off          On          Off

   192KB (:30000)         384KB           Off          On          On

   256KB (:40000)         384KB           On          Off          Off

   320KB (:50000)         320KB           On          Off          On

   384KB (:60000)         256KB           On           On          Off

   448KB (:70000)         192KB           On           On          On

                           PARITY CONFIGURATION

                Setting                                 JP3

                  Enabled                            Closed

                  Disabled                             Open

  FACTORY CONFIGURED - DO NOT ALTER

      Jumper            Position

        JP5                N/A

