CHAINTECH COMPUTER COMPANY, LTD.

ML-757

  Data bus:                  32-bit VL-bus

  Size:                      Three-quarter length, half-height card

  Hard drive supported:      Four IDE(AT) drives

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

[Image]

                                CONNECTIONS

                    Function                             Location

  40-pin primary IDE(AT) connector                          J1

  40-pin secondary IDE(AT) connector                        J2

  34-pin cable connector - floppy drive                     J3

  10-pin serial port 1 internal, 9-pin serial               J4
  port 1 - external

  10-pin serial port 2 - internal                           J5

  16-pin game port                                          J6

  25-pin parallel port - external                           J7

  4-pin connector - drive active LED                        J8

                      PARALLEL PORT ADDRESS SELECTION

             LPT                      JP13                   JP14

  »        LPT1 (378h)          pins 1 & 2 closed      pins 1 & 2 closed

           LPT2 (278h)          pins 2 & 3 closed      pins 2 & 3 closed

           LPT3 (3BCh)          pins 2 & 3 closed      pins 1 & 2 closed

             Disabled           pins 1 & 2 closed      pins 2 & 3 closed

                        USER CONFIGURABLE SETTINGS

               Function                    Location           Setting

  »   IDE(AT) interface enabled         JP1/pins 1 & 2        closed

      IDE(AT) interface disabled        JP1/pins 2 & 3        closed

  »   Primary & secondary IDE           JP2/pins 1 & 2        closed
      enabled

      Primary IDE enabled, secondary    JP2/pins 2 & 3        closed
      disabled

  »   CPU clock is 40 or 50MHz          JP3/pins 1 & 2        closed

      CPU clock <=33MHz                 JP3/pins 2 & 3        closed

  »   Factory configured - do not            JP4                N/A
      alter

  »   Factory configured - do not            JP5                N/A
      alter

  »   Floppy drive order is normal      JP6/pins 1 & 2        closed
      (A:, B:)

      Floppy drive order is reversed    JP6/pins 2 & 3        closed
      (B:, A:)

  »   Floppy controller primary         JP7/pins 1 & 2        closed
      address is 3F0h

      Floppy controller secondary       JP7/pins 2 & 3        closed
      address is 370h

  »   Floppy drive interface enabled    JP8/pins 1 & 2        closed

      Floppy drive interface            JP8/pins 2 & 3        closed
      disabled

  »   Parallel port is                       JP15             closed
      unidirectional

      Parallel port is                       JP15              open
      bi-directional

  »   Parallel port IRQ 7 select           JP16/ 1            closed

      Parallel port IRQ 5 select           JP16/ 2            closed

  »   Game port enabled                      JP17             closed

      Game port disabled                     JP17              open

                      SERIAL PORT 1 ADDRESS SELECTION

             COM                       JP9                   JP10

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

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

             Disabled           pins 2 & 3 closed      pins 1 & 2 closed

                      SERIAL PORT 2 ADDRESS SELECTION

             COM                      JP11                   JP12

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

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

             Disabled           pins 2 & 3 closed      pins 1 & 2 closed

       MISCELLANEOUS TECHNICAL NOTES

  Pin 1 in jumper blocks is unidentified.