
LOMAS DATA PRODUCTS, INC.

LDP CACHE IV

  Data bus:                  16-bit, ISA

  Size:                      Full-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                          J1

  25-pin SCSI II connector - external (optional             J2
  feature)

  34-pin control cable connector - floppy drive             J3

  2-pin connector - Error LED                               J4

  20-pin factory test connector - internal                  J5

  2-pin connector - Drive active LED                        J6

                        USER CONFIGURABLE SETTINGS

              Function                    Location            Setting

     Floppy drive enabled                   JP1              closed

      Floppy drive disabled                  JP1               open

     BIOS enabled                           JP8              closed

      BIOS disabled                          JP8               open

                        USER CONFIGURABLE SETTINGS

               Function                     Location          Setting

     I/O port address is 320h                JP9              closed
      (primary)

      I/O port address is 324h                JP9               open
      (secondary)

     Controller supplies TERMPWR to          JP10             closed
      SCSI interface 26

      TERMPWR not supplied to SCSI            JP10              open
      Interface 26

     1x9 SIMM module configuration           JP11           pins 1 & 2
      enabled                                                  closed

      4x9 SIMM module configuration           JP11           pins 2 & 3
      enabled                                                  closed

     Error LED status software               JP12           pins 1 & 2
      interrogation enabled                                    closed

      Error LED status software               JP12           pins 2 & 3
      interrogation disabled                                   closed

     Interrupt Request is IRQ14              JP13           pins 1 & 2
                                                               closed

      Interrupt Request is IRQ15              JP13           pins 2 & 3
                                                               closed

                               BIOS ADDRESS

          Address                 Jumper JP6             Jumper JP7

            C800h                  closed                 closed

             CA00h                   open                  closed

             D000h                  closed                  open

             D800h                   open                   open

                       MISCELLANEOUS TECHNICAL NOTES

             Jumper JP2 is factory configured -- do not alter.

   If secondary I/O port address is enabled, configure JP13 to pins 2 & 3
                         closed -- IRQ15 enabled.

