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.