RANCHO TECHNOLOGY, INC.

RT1600

  Data bus:                  16-bit, ISA

  Size:                      Half-length, full-height card

  Hard drive supported:      Up to seven SCSI devices

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

[Image]

                               CONNECTIONS

                     Function                             Location

  34-pin control cable connector - floppy drive 0            J2

  34-pin control cable connector - floppy drive 1            J3

  50-pin SCSI connector-internal                             J4

  50-pin SCSI connector-external                             P1

  2-pin connector - chassis ground                           J7

  2-pin connector - drive active LED                    J5/jumper O

  2-pin connector - drive active LED                    J5/jumper P

                        USER CONFIGURABLE SETTINGS

                Function                    Location          Setting

  »   Factory configured - do not         J1/jumper B          open
      alter

  »   Factory configured - do not         J1/jumper E          open
      alter

  »   Factory configured - do not         J1/jumper G          open
      alter

  »   Factory configured - do not         J1/jumper H          open
      alter

  »   Factory configured - do not         J1/jumper I          open
      alter

  »   Factory configured - do not         J1/jumper J          open
      alter

  »   Factory configured - do not         J1/jumper K          open
      alter

  »   Factory configured - do not         J1/jumper E          open
      alter

                        USER CONFIGURABLE SETTINGS

                Function                    Location          Setting

  »   Factory configured - do not         J1/jumper O          open
      alter

  »   Factory configured - do not         J1/jumper Q          open
      alter

      BIOS installed                      J5/jumper A         closed

      BIOS not installed                  J5/jumper A          open

  »   Floppy drive enabled                J5/jumper B         closed

      Floppy drive disabled               J5/jumper B          open

  »   ATA disabled                        J5/jumper C         closed

      ATA enabled                         J5/jumper C          open

  »   I/O address = 330h                  J5/jumper D          open

      I/O address = 230h                  J5/jumper D         closed

  »   Factory configured - do not         J5/jumper G         closed
      alter

  »   Factory configured - do not         J5/jumper H         closed
      alter

  »   SCSI active termination enabled     J5/jumper I         closed

      SCSI active termination disabled    J5/jumper I          open

  »   Factory configured - do not         J5/jumper J          open
      alter

  »   PIO data transfer mode enabled      J5/jumper K         closed

      DMA data transfer mode enabled      J5/jumper K          open

      Zero wait state enabled             J5/jumper Q         closed

      Zero wait state disabled            J5/jumper Q          open

  »   Remote terminator power disabled         J6              open

      Remote terminator power enabled          J6             closed

  »   Current back-flow diode CR1              J8              open
      enabled

      Current back-flow diode CR1              J8             closed
      disabled

                                DMA CHANNEL

      DMA       J1/jumper   J1/jumper   J1/jumper   J1/jumper   J5/jumper
                    A           C           D           F           L

  »    DMA5      closed       open       closed       open       closed

       DMA7       open       closed       open       closed       open

      Disabled    open        open        open        open         n/a

                             INTERRUPT REQUEST

     IRQ        J1/L      J1/M      J1/N      J1/P      J5/M       J5/N

  »   IRQ10    closed     open      open      open      open       open

      IRQ11     open     closed     open      open     closed     closed

      IRQ12     open      open     closed     open      open      closed

      IRQ15     open      open      open     closed    closed      open

        MEMORY ADDRESS - J5

  Address     Jumper E   Jumper F

   C800h       open        open

   D800h      closed       open