UNIDENTIFIED

CI-91 (SMD)

Card Type               Hard drive controller
Hard Drives supported   Two IDE (AT/XT) drives
Floppy drives supported Two 360KB, 720KB, 1.2MB, or 1.44MB drives
Data Bus                16-bit ISA
Card Size               Half-length, full-height


[Image]

                                CONNECTIONS

         Function            Label            Function            Label

  9-pin serial port 1 -       J1       10-pin serial port 2 -      JP4
  external                             internal

  25-pin parallel port -      J2       4-pin connector -           JP5
  external                             drive active LED

  40-pin IDE(AT)              JP1      16-pin game port            JP6
  connector

  34-pin cable connector      JP3
  - floppy drive

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

  Single hard drive connected to              JP2             Closed
  controller

  Two hard drives connected to                JP2              Open
  controller

  PC/XT mode enabled                          JP13          Pins 1 & 2
                                                              closed

  PC/AT mode enabled                          JP13          Pins 2 & 3
                                                              closed

  Floppy drive interface enabled              JP14          Pins 2 & 3
                                                              closed

  Floppy drive interface disabled             JP14          Pins 1 & 2
                                                              closed

  IDE(AT) interface address is 316h,          JP15          Pins 1 & 2
  317h, 110h                                                  closed

  IDE(AT) interface address is 376h,          JP15          Pins 2 & 3
  377h, 170h                                                  closed

  IDE(AT) interface enabled                   JP16          Pins 2 & 3
                                                              closed

  IDE(AT) interface disabled                  JP16          Pins 1 & 2
                                                              closed

  Floppy drive order is normal (A:, B:)       JP17          Pins 2 & 3
                                                              closed

  Floppy drive order is reversed (B:,         JP17          Pins 1 & 2
  A:)                                                         closed

  Floppy drive address is 3F0h                JP18          Pins 1 & 2
                                                              closed

  Floppy drive address is 370h                JP18          Pins 2 & 3
                                                              closed

  Parallel port is uni-directional            JP20            Closed

  Parallel port is bi-directional             JP20             Open

               PARALLEL PORT ADDRESS SELECTION

       Setting               JP11                 JP12

     LPT1 (378h)       Pins 2 & 3 closed   Pins 1 & 2 closed

     LPT2 (278h)       Pins 1 & 2 closed   Pins 2 & 3 closed

     LPT3 (3BCh)       Pins 2 & 3 closed   Pins 2 & 3 closed

      Disabled         Pins 1 & 2 closed   Pins 1 & 2 closed

               SERIAL PORT 1 ADDRESS SELECTION

       Setting               JP7                  JP8

     COM1 (3F8h)       Pins 2 & 3 closed   Pins 1 & 2 closed

     COM3 (3E8h)       Pins 1 & 2 closed   Pins 2 & 3 closed

     COM4 (2E8h)       Pins 2 & 3 closed   Pins 2 & 3 closed

      Disabled         Pins 1 & 2 closed   Pins 1 & 2 closed

               SERIAL PORT 2 ADDRESS SELECTION

       Setting               JP9                  JP10

     COM2 (2F8h)       Pins 2 & 3 closed   Pins 1 & 2 closed

     COM3 (3E8h)       Pins 2 & 3 closed   Pins 2 & 3 closed

     COM4 (2E8h)       Pins 1 & 2 closed   Pins 2 & 3 closed

      Disabled         Pins 1 & 2 closed   Pins 1 & 2 closed

   SERIAL PORT 1 INTERRUPT SELECTION

   IRQ     JP19/1    JP19/2    JP19/3

   IRQ3     Open     Closed     Open

   IRQ4    Closed     Open      Open

   IRQ5     Open      Open     Closed

   SERIAL PORT 2 INTERRUPT SELECTION

   IRQ     JP19/4    JP19/5    JP19/6

   IRQ3    Closed     Open      Open

   IRQ4     Open     Closed     Open

   IRQ5     Open      Open     Closed

  PARALLEL PORT INTERRUPT SELECTION

     IRQ        JP19/7      JP19/8

    IRQ5         Open       Closed

    IRQ7        Closed       Open