LEGACY STORAGE SYSTEMS CORPORATION

UDSS DISKARRAY

Card Type               Hard drive controller card
Processor               80486 DX2
Processor Speed         66MHz
Maximum Onboard Memory  64MB DRAM
Hard Drives supported   Up to 35 SCSI devices
Floppy drives supported None
Form factor             5.25"
Bus type                External

[Image]

                                CONNECTIONS

        Function           Location          Function           Location

  Daughter board             CN1      SCSI channel 2              JP7
  connector                           connector

  Daughter board             CN2      Battery board               JP16
  connector                           connector

  SCSI channel 0             JP1      Battery board               JP18
  connector                           connector

  Fault bus connector        JP4      Serial port                  P1

  Fault bus connector        JP5      Fail over port               P2

  SCSI channel 1             JP6
  connector

                        USER CONFIGURABLE SETTINGS

                 Function                    Label         Position

  »   Factory configured - do not alter       JP8        Unidentified

  »   Factory configured - do not alter       JP9        Unidentified

  »   Factory configured - do not alter      JP10        Unidentified

               DRAM CONFIGURATION

      Size           BANK 0          BANK 1

      4MB         (1) 1MB X 36        None

      8MB         (1) 1MB X 36    (1) 1MB X 36

      8MB         (1) 2MB X 36        None

      16MB        (1) 2MB X 36    (1) 2MB X 36

      16MB        (1) 4MB X 36        None

      32MB        (1) 4MB X 36    (1) 4MB X 36

      32MB        (1) 8MB X 36        None

      64MB        (1) 8MB X 36    (1) 8MB X 36

      64MB        (1) 16MB X 36       None

               DIAGNOSTIC LED(S)

  Note: The function of LED4 is unidentified.

[Image]

                             SWITCH FUNCTIONS

               Function                              Switch

  Scroll through available functions                  SW1

  Scroll through available functions                  SW2

    Chooses or executes an option                     SW3

  Returns to preceding menu or cancel                 SW4
              selection

                             DIAGNOSTIC LED(S)

     LED          Color          Status               Condition

    LED1       Unidentified        On                Power is on

    LED1       Unidentified       Off                Power is off

    LED2       Unidentified        On           Unprocessed cached data
                                                   still in memory

    LED2       Unidentified     Blinking        Data is being accessed

    LED2       Unidentified       Off             No drive activity

    LED3       Unidentified        On           Lights when service is
                                                       required

    LED3       Unidentified       Off            No service required

[Image]

                                CONNECTIONS

        Function           Location          Function           Location

  Mother board connector     CN1      SCSI channel 4               J2
                                      connector

  Mother board connector     CN2      SCSI channel 5               J5
                                      connector

  SCSI channel 3              J1
  connector

[Image]

                                CONNECTIONS

        Function           Location          Function           Location

  Mother board connector     JP16     Mother board connector      JP18