AMS, INC.

422/485PC-10-X

Card Type               Serial card
Chip Set                Unidentified
Maximum Onboard Memory  Unidentified
I/O Options             Serial port
Hard Drives supported   None
Floppy drives supported None
Data Bus                8-bit ISA
Card Size               Half-length, half-height card

[Image]

                                CONNECTIONS

          Function             Label           Function             Label

  DB-25 connector              CN1     26-pin serial connector       J4

  38-pin serial connector       J3

                       SERIAL PORT ADDRESS SELECTION

    Serial        Serial       J5/A       J5/B        J5/C        J5/D
    Port 1       Port 2

     COM1       Disabled      Closed      Open        Open        Open
    (3F8h)

     COM2       Disabled       Open      Closed       Open        Open
    (2F8h)

     COM3       Disabled       Open       Open       Closed       Open
    (3E8h)

     COM4       Disabled       Open       Open        Open       Closed
    (2E8h)

     COM1          COM2       Closed     Closed       Open        Open
    (3F8h)       (2F8h)

     COM2          COM3        Open      Closed      Closed       Open
    (2F8h)       (3E8h)

     COM3          COM4        Open       Open       Closed      Closed
    (3E8h)       (2E8h)

   Disabled     Disabled       Open       Open        Open        Open

  SERIAL PORT 1 INTERRUPT TERMINATION

        IRQ                 SP1

        IRQ2          Jumper A closed

        IRQ3          Jumper B closed

        IRQ4          Jumper C closed

        IRQ5          Jumper D closed

        IRQ6          Jumper E closed

        IRQ7          Jumper F closed

       IRQ10          Jumper G closed

       IRQ11          Jumper H closed

       IRQ12          Jumper I closed

       IRQ14          Jumper K closed

       IRQ15          Jumper J closed

  SERIAL PORT 1 RESISTOR TERMINATION

     Location           Signal(s)

        R3                 TxD

        R4                 RxD

        R5                 RTS

        R8                 DSR

        R9                  CD

        R10                DTR

        R11                CTS

                       MISCELLANEOUS TECHNICAL NOTES

  Note: Terminating resistors are usually only needed if the card is
  installed in systems using high baud rates. If terminating resistors
  are required, insert them into the listed locations. Size and type of
  resistor are unidentified.