RANCHO TECHNOLOGY, INC.

RT1000C-6/RT1000C-8

  Data bus:                  8-bit, ISA

  Size:                      Half-length, full-height card

  Hard drive supported:      Up to seven SCSI devices

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

[Image]

                    CONNECTIONS

              Function                 Location

  50-pin SCSI connector - internal        J15

  50-pin SCSI connector - external        J18

                        USER CONFIGURABLE SETTINGS

                 Function                     Location        Setting

      I/O mapped data transfer enabled           J8            closed
      (BIOS-installed version)

      Memory mapped data transfer enabled        J8             open
      (BIOS not installed)

  »   Other drive is Drive A:                    J9             open

      Floptical drive is Drive A:                J9            closed

      Factory configured - do not alter         J10             open

  »   Zero Wait State disabled                  J14          pins 1 & 2
                                                               closed

      Zero Wait State enabled                   J14          pins 2 & 3
                                                               closed

  »   Terminator power disabled                 J16          pins 1 & 2
                                                               closed

      Terminator power enabled                  J16          pins 2 & 3
                                                               closed

                    MEMORY ADDRESS (MEMORY-MAPPED MODE)

     Base Address             J1               J2               J3

  »        DC00h            closed            open             open

           C800h             open             open            closed

           CC00h            closed            open            closed

           D000h             open            closed           closed

           D400h            closed           closed           closed

           D800h             open             open             open

           E000h             open            closed            open

           E400h            closed           closed            open

  Note:This table applies to versions that do not have a BIOS installed
  (J8 is open).

                       I/O ADDRESS (I/O MAPPED MODE)

     Base Address            J1                J2               J3

  »        348h            closed             open             open

           280h            closed            closed           closed

           290h             open             closed           closed

           300h            closed             open            closed

           310h             open              open            closed

           330h            closed            closed            open

           340h             open             closed            open

           350h             open              open             open

  Note:This table applies to versions that have a BIOS installed (J8 is
  closed).

                 INTERRUPT SELECT

    IRQ        J4        J5        J6        J7

   IRQ3       open      open      open     closed

   IRQ4       open      open     closed     open

   IRQ5       open     closed     open      open

   IRQ7      closed     open      open      open