AMS, INC.

422/485PC-20-X, CLIO

Card Type               Serial card
Chip Set                Unidentified
Maximum Onboard Memory  Unidentified
I/O Options             Serial ports (2)
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     38-pin serial connector       J3

  DB-9 connector               CN2     26-pin serial connector       J4

                       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 SELECTION

        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 2 INTERRUPT SELECTION

        IRQ                SP2

       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 SELECTION

     Location          Signal(s)

        R3                TxD

        R4                RxD

        R5                RTS

        R8                DSR

        R9                CD

       R10                DTR

       R11                CTS

  SERIAL PORT 2 TERMINATION

   Location       Signal(s)

      R12            CTS

      R13            DSR

      R14            DTR

      R15            CD

      R19            RTS

      R20            RxD

      R21            TxD

                       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.