DATA TECHNOLOGY CORPORATION

DTC 2278E (400516-89A)

  Data bus:                32-bit VL-Bus

  Size:                    Three/quarter-length, half-height card

  Hard drive supported:    Two IDE(AT) or EIDE interface drives

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

[Image]

                              CONNECTIONS

                     Function                            Location

  10-pin serial port 2 - internal                           J2

  9-pin serial port 1 - external                            J3

  16-pin game port                                          J4

  34-pin cable connector - floppy drive                     J5

  40-pin connector - secondary IDE(AT) interface            J6

  40-pin connector - primary IDE(AT) interface              J7

  4-pin connector - drive active LED                        J8

  25-pin parallel port - external                           J9

                        USER CONFIGURABLE SETTINGS

             Function                    Location            Setting

  »   Game port enabled                    W14                closed

      Game port disabled                   W14                 open

                          PARALLEL PORT INTERRUPT

            IRQ                      W12                     W13

  »           IRQ7                   open                   closed

              IRQ5                  closed                   open

                      PARALLEL PORT ADDRESS SELECTION

             LPT                       W1                     W2

  »        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

             COM                       W5                     W6

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

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

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

             Disabled           pins 1 & 2 closed      pins 1 & 2 closed

  Note: COM1 & COM3 are automatically configured to IRQ4.

  COM2 & COM4 are automatically configured to IRQ3.

                      SERIAL PORT 2 ADDRESS SELECTION

             COM                       W3                     W4

  »        COM2 (2F8h)          pins 1 & 2 closed      pins 2 & 3 closed

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

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

             Disabled           pins 1 & 2 closed      pins 1 & 2 closed

  Note: COM1 & COM3 are automatically configured to IRQ4.

  COM2 & COM4 are automatically configured to IRQ3.

                     PARALLEL PORT MODE CONFIGURATION

           Mode                       W7                     W22

  »         Printer           pins 2 & 3 closed       pins 2 & 3 closed

              ECP             pins 2 & 3 closed       pins 1 & 2 closed

              EPP             pins 1 & 2 closed       pins 2 & 3 closed

  Note: You must select a DMA channel when using ECP mode.

                    DMA SELECTION

  Channel      W8         W9        W10        W11

     1       closed      open     closed      open

     3        open      closed     open      closed

                       MISCELLANEOUS TECHNICAL NOTES

     The floppy controller in automatically configured: When a cable is
    attached, it is enabled, when no cable is attached it is disabled.