ULTRASTOR CORPORATION

ULTRA 14N

  Data bus:                16-bit, ISA

  Size:                    Three/quarter-length, full-height card

  Hard drive supported:    Up to seven SCSI devices

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

[Image]

                              CONNECTIONS

                    Function                           Location

  34-pin control cable connector - floppy drive           J1

  50-pin SCSI connector - internal                        J2

  50-pin SCSI connector - external                        J3

  4-pin connector - drive active LED                      JP2

                        USER CONFIGURABLE SETTINGS

                Function                    Location          Setting

  »   128KB EPROM enabled                      JP1           pins 2 & 3
                                                               closed

      256KB EPROM enabled                      JP1           pins 1 & 2
                                                               closed

  »   Card is ground to chassis                JP3             closed

      Not grounded                             JP3              open

  »   BIOS supports up to 2 SCSI hard     JP5/jumper E          open
      drives

      BIOS supports up to 7 SCSI hard     JP5/jumper E         closed
      drives

  »   Ultra 14N synchronous               JP5/jumper F          open
      negotiation enabled

      Target initiated synchronous        JP5/jumper F         closed
      negotiation enabled

  »   Floppy controller enabled                JP7             closed

      Floppy controller disabled               JP7              open

                        USER CONFIGURABLE SETTINGS

                Function                       Location         Setting

  »   Double twisted cable selected for     JP11/jumper A        open
      floppy connector

      Single twisted cable selected for     JP11/jumper A       closed
      floppy connector

  »   Floppy drive base address = 3F0h      JP11/jumper B        open

      Floppy drive base address = 370h      JP11/jumper B       closed

  »   AT type floppy drive selected         JP11/jumper C        open

      PS/2 type floppy drive selected       JP11/jumper C       closed

  »   Floppy drive precompensation is       JP11/jumper D        open
      always 125ns

      Floppy drive precompensation          JP11/jumper D       closed
      adjusts to data rates.

  »   BIOS supports removable drive         JP21/jumper A        open

      External drive supports removable     JP21/jumper A       closed
      drive

  »   Synchronous negotiation for           JP21/jumper B        open
      removable drives starts at 10MB/s

      Synchronous negotiation for           JP21/jumper B       closed
      removable drives starts at 5MB/s

  »   Factory configured - do not alter     JP21/jumper C        open

                          HARD DRIVE HEAD MAPPING

          Setting                JP5/Jumper A           JP5/Jumper B

  »    64 heads/32 sectors          closed                  open

       16 heads/63 sectors           open                   open

       64 heads/63 sectors           open                  closed

       64 heads/32 sectors          closed                 closed

                             INTERRUPT SELECT

           IRQ                 JP5/Jumper C             JP5/Jumper D

  »         IRQ14                  open                    closed

            IRQ10                  open                     open

            IRQ11                 closed                    open

            IRQ15                 closed                   closed

                               BIOS ADDRESS

      Address         JP10/Jumper A     JP10/Jumper B      JP10/Jumper C

  »      C8000h           open              closed             open

         CC000h          closed             closed             open

         D0000h           open               open             closed

         D4000h          closed              open             closed

         D8000h           open              closed            closed

         DC000h          closed             closed            closed

        Disabled          open               open              open

                                I/O ADDRESS

        Address              JP20/Jumper A             JP20/Jumper B

  »         240h                 closed                    open

            140h                  open                     open

            220h                  open                    closed

            340h                 closed                   closed