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       # 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                               
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        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          |   JP4    | Serial port     |    P1    |
          | connector          |          |                 |          |
          |--------------------+----------+-----------------+----------|
          | Fault bus          |   JP5    | Fail over port  |    P2    |
          | connector          |          |                 |          |
          |--------------------+----------+-----------------+----------|
          | SCSI channel 1     |   JP6    |                 |          |
          | connector          |          |                 |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function               | Label |   Position   |
          |-------------------------------------+-------+--------------|
          | » | Factory configured - do not     |  JP8  | Unidentified |
          |   | alter                           |       |              |
          |---+---------------------------------+-------+--------------|
          | » | Factory configured - do not     |  JP9  | Unidentified |
          |   | alter                           |       |              |
          |---+---------------------------------+-------+--------------|
          | » | Factory configured - do not     | JP10  | Unidentified |
          |   | alter                           |       |              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     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.                |
          +------------------------------------------------------------+
       
 (IMG) IMG 2
          
       
          +------------------------------------------------------------+
          |                      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 selection |    SW4     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     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    |
          +------------------------------------------------------------+
       
 (IMG) IMG 3
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |      Function       | Location |    Function    | Location |
          |---------------------+----------+----------------+----------|
          | Mother board        |   CN1    | SCSI channel 4 |    J2    |
          | connector           |          | connector      |          |
          |---------------------+----------+----------------+----------|
          | Mother board        |   CN2    | SCSI channel 5 |    J5    |
          | connector           |          | connector      |          |
          |---------------------+----------+----------------+----------|
          | SCSI channel 3      |    J1    |                |          |
          | connector           |          |                |          |
          +------------------------------------------------------------+
       
 (IMG) IMG 4
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |       Function        | Location |   Function   | Location |
          |-----------------------+----------+--------------+----------|
          | Mother board          |   JP16   | Mother board |   JP18   |
          | connector             |          | connector    |          |
          +------------------------------------------------------------+