
DATA TECHNOLOGY CORPORATION

DTC2270 (90010-89B)

  Data bus:                32-bit, VL-bus

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

  Hard drive supported:    Two IDE (AT) Interface drives

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

[Image]

                            CONNECTIONS

                   Function                          Location

  25-pin parallel port (LPT1/2/3) - external            J1

  10-pin serial port 1 (COM1/3/4) - external            J2

  10-pin serial port 2 (COM1/2/4) - internal            J3

  15-pin game port - internal                           J4

  34-pin control cable connector-floppy drive           J5

  40-pin AT Interface (IDE) connector                   J6

  4-pin connector-Drive active LED                      J7

                        USER CONFIGURABLE SETTINGS

              Function                    Location            Setting

     Parallel Port (J1) uses IRQ7           W1              pins 1 & 2
                                                              closed

      Parallel Port (J1) uses IRQ5           W1              pins 2 & 3
                                                              closed

     Floppy drive enabled               W3/jumper 7           open

      Floppy drive disabled              W3/jumper 7          closed

             SERIAL PORTS INTERRUPT REQUEST CONFIGURATION - W2

  [Image]

                   IRQ                    Location            Setting

     Serial Port 1 (J2) uses IRQ4           W2              pins 1 & 3
                                                              closed

      Serial Port 2 (J3) uses IRQ3                           pins 2 & 4
                                                              closed

      Serial Port 1 (J2) uses IRQ3           W2              pins 1 & 2
                                                              closed

      Serial Port 2 (J3) uses IRQ4                           pins 3 & 4
                                                              closed

                     SERIAL PORT 2 (J3) CONFIGURATION

            COM                  W3/jumper 1             W3/jumper 2

          COM1 (3F8h)                open                  closed

         COM2 (2F8h)                open                   open

          COM4 (238h)               closed                  open

            Disabled                closed                 closed

                     PARALLEL PORT (J1) CONFIGURATION

            LPT                  W3/jumper 3             W3/jumper 4

         LPT1 (378h)                open                  closed

          LPT2 (278h)                open                   open

          LPT3 (3BCh)               closed                  open

            Disabled                closed                 closed

                     SERIAL PORT 1 (J2) CONFIGURATION

            COM                  W3/jumper 5             W3/jumper 6

         COM1 (3F8h)                open                   open

          COM2 (2F8h)               closed                  open

          COM3 (338h)                open                  closed

            Disabled                closed                 closed

      DRIVE TRANSFER RATE CONFIGURATION - 33MHZ/66I MHZ MOTHERBOARDS

       Rate          W4/1       W4/2       W4/3        W4/4       W4/5

       8.3Mb/sec     open       open       open        open       open

       7.3Mb/sec     open       open       open       closed     closed

       6.6Mb/sec     open       open      closed       open       open

       6.1Mb/sec     open       open      closed       open      closed

       5.5Mb/sec     open       open      closed      closed      open

       5.1Mb/sec     open       open      closed      closed     closed

       4.8Mb/sec     open      closed      open        open       open

       4.4Mb/sec     open      closed      open        open      closed

       4.1Mb/sec     open      closed      open       closed      open

      3.9Mb/sec     open      closed      open       closed     closed

       3.7Mb/sec     open      closed     closed       open       open

       3.5Mb/sec     open      closed     closed       open      closed

       3.3Mb/sec     open      closed     closed      closed      open

  DRIVE TRANSFER RATE CONFIGURATION - 20, 25, 40 AND 50MHZ MOTHERBOARDS

    Rate         W4/1        W4/2         W4/3         W4/4        W4/5

  7.1Mb/sec     closed       open         open         open        open

  6.3Mb/sec     closed       open         open        closed      closed

  5.6Mb/sec     closed       open        closed        open        open

  5.0Mb/sec     closed       open        closed        open       closed

  4.5Mb/sec     closed       open        closed       closed       open

  4.2Mb/sec     closed       open        closed       closed      closed

  3.8Mb/sec     closed      closed        open         open        open

  3.6Mb/sec     closed      closed        open         open       closed

  3.3Mb/sec     closed      closed        open        closed       open

