UNIDENTIFIED

ML-863

  Data bus:                  32-bit VL-bus

  Size:                      Three-quarter length, half-height card

  Hard drive supported:      Two IDE(AT) drives

  Floppy drives supported:   Two 360KB, 720KB, 1.2MB, or 1.44MB drives

[Image]

                                CONNECTIONS

                    Function                             Location

  25-pin parallel port - external                          CN1

  10-pin serial port 2 - internal                          CN2

  9-pin serial port 1 - external, 10-pin                   CN3
  serial port 1 - internal

  16-pin game port                                         CN4

  34-pin cable connector - floppy drive                    CN5

  40-pin primary IDE(AT) connector                         CN6

  4-pin connector - drive active LED                       CN7

                        USER CONFIGURABLE SETTINGS

              Function                   Location            Setting

  »   IOCHRDY signal disabled               JP1             pins 1 & 2
                                                              closed

      IOCHRDY signal enabled                JP1             pins 2 & 3
                                                              closed

  »   CPU speed is 40,50 MHz                JP2             pins 1 & 2
                                                              closed

      CPU speed is <=33MHz                  JP2             pins 2 & 3
                                                              closed

  »   IDE(AT) interface enabled             JP3             pins 1 & 2
                                                              closed

      IDE(AT) interface disabled            JP3             pins 2 & 3
                                                              closed

  »   Floppy drive interface                JP4             pins 1 & 2
      enabled                                                 closed

      Floppy drive interface                JP4             pins 2 & 3
      disabled                                                closed

                  USER CONFIGURABLE SETTINGS (CONTINUED)

              Function                   Location            Setting

  »   Game port enabled                     JP5             pins 1 & 2
                                                              closed

      Game port disabled                    JP5             pins 2 & 3
                                                              closed

  »   Floppy drive select primary           JP7             pins 1 & 2
                                                              closed

      Floppy drive select                   JP7             pins 2 & 3
      secondary                                               closed

                      PARALLEL PORT ADDRESS SELECTION

              LPT                       JP6                  JP12

  »         LPT2(378h)           pins 1 & 2 closed     pins 1 & 2 closed

            LPT3 (278h)          pins 2 & 3 closed     pins 1 & 2 closed

             Disabled                   N/A            pins 2 & 3 closed

                      SERIAL PORT 1 ADDRESS SELECTION

             COM                      JP10                   JP11

  »        COM1 (3F8h)          pins 1 & 2 closed      pins 1 & 2 closed

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

             Disabled                  N/A             pins 2 & 3 closed

                      SERIAL PORT 2 ADDRESS SELECTION

             COM                       JP8                    JP9

  »        COM2 (2F8h)          pins 1 & 2 closed      pins 1 & 2 closed

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

             Disabled                  N/A             pins 2 & 3 closed

                    IDE HARD DISK DRIVE SPEED SELECTION

           Device Speed                   JP13                JP14

  »   Low - 600ns                      pins 1 & 2      pins 1 & 2 closed
                                         closed

      Normal - 500ns                   pins 1 & 2      pins 2 & 3 closed
                                         closed

      Fast speed - 383ns               pins 2 & 3      pins 1 & 2 closed
                                         closed

      Turbo speed - 240ns              pins 2 & 3      pins 2 & 3 closed
                                         closed

                 MISCELLANEOUS TECHNICAL NOTES

  The location of pin 1 is unidentified on jumpers JP1-JP12.