EMULEX CORPORATION

MD25A, MD26A

Data bus: None (SCSI to ESDI interface)

Size: Drive card

Hard drives supported: SCSI to four RLL ESDI drives

Floppy drives supported: None

[Image]

                            CONNECTIONS

                     Function                         Location

  34-pin control cable connector-hard drive              J1

  20-pin data cable connector-drive 0                    J2

  20-pin data cable connector-drive 1                    J3

  10-pin connector-user panel (factory use only)         J4

  14-pin connector-test (factory use only)               J5

  50-pin SCSI connector- to host adapter                 J6

  4-pin connector-DC power                               J7

  20-pin data cable connector-drive 2                    J8

  20-pin data cable connector-drive 3                    J9

  10-pin connector-user panel (factory use only)        J10

                        USER CONFIGURABLE SETTINGS

              Function                    Location            Setting

  »   Soft error reporting              SW1/switch 4             on
      disabled

      Soft error reporting enabled      SW1/switch 4            off

  »   Sector size set to 512 bytes      SW1/switch 5            off

      Sector size set to 256 bytes      SW1/switch 5             on

  »   Spindle motor starts on           SW1/switch 6            off
      power-up

      Spindle motor starts on           SW1/switch 6             on
      command

  »   SCSI parity check disabled        SW1/switch 7            off

      SCSI parity check enabled         SW1/switch 7             on

      Not used                          SW1/switch 8            N/A

                               SCSI ADDRESS

    SCSI ID        SW1/switch 1       SW1/switch 2        SW1/switch 3

         0             off                 off                 off

         1              on                 off                 off

         2             off                 on                  off

         3              on                 on                  off

         4             off                 off                 on

         5              on                 off                 on

         6             off                 on                  on

  »      7              on                 on                  on