RANCHO TECHNOLOGY, INC.

RT1000A

Data bus: 8-bit, ISA

Size: Half-length, full-height card

Hard drives supported: Up to seven SCSI devices

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

[Image]

                          CONNECTIONS

                  Function                       Location

  50-pin SCSI connector-external                    J1

  50-pin SCSI connector-internal                    J2

  34-pin data cable connector-floppy drive          J3

               BIOS ADDRESS

  Address      X4         X5        X6

  D4000h     closed     closed     open

  CC000h      open      closed     open

  D0000h     closed      open      open

  C8000h      open       open      open

  E4000h     closed     closed    closed

  DC000h      open      closed    closed

  E0000h     closed      open     closed

  D8000h      open       open     closed

                        USER CONFIGURABLE SETTINGS

                Function                     Location         Setting

  »   Floppy drive write                        X1              open
      precompensation is 187ns

      Floppy drive write                        X1             closed
      precompensation is 125ns

  »   Single-speed floppy drive                 X2              open
      supported

      Dual speed floppy drive supported         X2             closed

  »   Floppy drive port address is 377h         X3              open

      Floppy drive port address is 3F7h         X3             closed

  »   Remote terminal power not                 X7              open
      supported

      Supports remote terminal power            X7             closed

  »   Zero wait state enabled                   X12            closed

      Zero wait state disabled                  X12             open

  »   Floppy drive enabled                      X13            closed

      Floppy drive disabled                     X13             open

  »   Non applicable to this card. For          X14             open
      MCA card only

  »   Supports drives other than                X15             open
      Syquest

      Supports Syquest and some                 X15            closed
      removable media drives

  »   SCSI DOS hard drive boot enabled.         X16             open

      SCSI DOS hard drive boot                  X16            closed
      disabled.

  »   Factory configured - do not alter         X17             open

  »   Bus reset delay is 30 seconds             X18            closed

      Bus reset delay is 5 seconds              X18             open

                INTERRUPT REQUEST

   IRQ       X8        X9       X10       X11

   IRQ7    closed     open      open      open

   IRQ5     open     closed     open      open

   IRQ4     open      open     closed     open

   IRQ3     open      open      open     closed