JC INFORMATION SYSTEMS CORPORATION

IDE FLOPPY/HARD DISK CONTROLLER (MODEL 1120)

  Data bus:                  16-bit ISA

  Size:                      Half-length, full-hieght card

  Hard drive supported:      Two IDE (AT) interface drives

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

[Image]

                               CONNECTIONS

                    Function                             Location

  40-pin IDE (AT) interface connector                      CN1

  34-pin control cable connector - floppy drive            CN2

  25-pin parallel port - external                          JP1

  9-pin serial port 1 - external                           JS1

  10-pin serial port 2 - internal                          JS2

  4pin connector - drive active LED                        LED1

                    USER CONFIGURABLE SETTINGS

            Function                 Location          Setting

  Parallel port is LPT2            J1/pins 1 & 2       closed

  Parallel port is LPT1            J1/pins 2 & 3       closed

  Serial port 1 is COM2            J1/pins 4 & 5       closed

  Serial port 1 is COM1            J1/pins 5 & 6       closed

  Serial port 2 is COM2            J1/pins 7 & 8       closed

  Serial port 2 is COM1            J1/pins 8 & 9       closed

  Parallel port IRQ5 select        J2/pins 1 & 2       closed

  Parallel port IRQ7 select        J2/pins 2 & 3       closed

  Serial port 1 IRQ3 select        J2/pins 4 & 5       closed

  Serial port 1 IRQ4 select        J2/pins 5 & 6       closed

  Serial port 2 IRQ3 select        J2/pins 7 & 8       closed

  Serial port 2 IRQ4 select        J2/pins 8 & 9       closed