UltraStor 14n Jumper Definition

                   ULTRA 14N DEFAULT JUMPER DEFINITION
                   -----------------------------------
                         
                         * = Default Setting

          
         
        JP1  EPROM Type Selection (Factory Use)

         1-2            : 256K Type 
        *2-3            : 128K Type

        JP2  LED (Default OPEN)
         
         Pin 1          : VCC
         Pin 2          : Signal
         Pin 3          : Signal
         Pin 4          : VCC

        JP3  Chassis Ground

         OUT            : Not Ground
        *INT            : Grounded

        JP5 

         1-2   3-4      : Head mapping selection

         OUT   OUT      : 16 head, 63 sector mapping
        *IN    OUT      : 64 head, 32 sector mapping
         OUT   IN       : 64 head, 63 sector mapping
         IN    IN       : 64 head, 32 sector mapping

         5-6   7-8      : Interrupt Channel

         IN    IN       : IRQ15
        *OUT   IN       : IRQ14
         IN    OUT      : IRQ11 
         OUT   OUT      : IRQ10

         9-10           : BIOS support for more than 2 SCSI hard drives 
         
        *OUT            : Maximum 2 SCSI hard drives per system     
         IN             : Maximum 16 SCSI hard drives per system
                                
         11-12          : Synchronous Negotiation

        *OUT            : ULTRA 14N Initiated Negotiation
         IN             : Target Initiated Negotiation


        JP7  Floppy Controller

         1-2            : Floppy Enable/Disable

         OUT            : Disable 
        *IN             : Enable


        JP10 BIOS Address 

         1-2  3-4  5-6  : BIOS Address

         OUT  OUT  OUT  : Disable
         IN   OUT  OUT  : Reserved
        *OUT  IN   OUT  : C8000
         IN   IN   OUT  : CC000
         OUT  OUT  IN   : D0000
         IN   OUT  IN   : D4000
         OUT  IN   IN   : D8000
         IN   IN   IN   : DC000


        JP11  Floppy Controller

         1-2            : 3rd Floppy Cable Seletion

        *OUT            : Double Twisted Cable
         IN             : Single Twisted Cable

         3-4            : Floppy Port Control

        *OUT            : Primary  Port (3F0-3F7)
         IN             : Secondary Port (370-377)

         5-6            : Floppy Drive Type

        *OUT            : Drive configured for AT or equivalent floppy Drive
         IN             : Drive configured for PS/2 or equivalent floppy Drive

         7-8            : Precompensation Settings

        *OUT            : Precompensation is fixed at 125ns for all data rates
         IN             : Precompensation varies according to floppy data rate.
                          250,300 and 500 Khz rate have 250ns, 208ns and 125ns
                          precompensation each.

        
        JP21

         1-2            : Removable Drive Support

        *OUT            : BIOS Supported
         IN             : External Drive Supported

         3-4            : Sync. Negotiation Start Rate

        *OUT            : Begin from 10MB/S
         IN             : Begin from 5MB/S

         5-6            : Reserved (Out)


        JP20

         1-2   3-4      : IO Port Address

         OUT   OUT      : 140h
         OUT   IN       : 220h
        *IN    OUT      : 240h
         IN    IN       : 340h