HEWLETT-PACKARD COMPANY
=======================

   HP C1557A

   Device Type             Internal Tape Drive                    
   Interface               SCSI-2                                 
   Format                  DDS, DDS-2, DDS-3, DDS-DC              
   Sustained Transfer Rate 1 MBPS (native), 2 MBPS (compressed)   
   Size                    5.25 in. full height                   
   View                    Bottom                                 

<gopher://bitreich.org/I/th99/p/E-H/70232-1.png>
   

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Setting               | Label |   Position   |
   |-------------------------------------+-------+--------------|
   |>> Factory configured - do not alter | SW1/1 |      On      |
   |-------------------------------------+-------+--------------|
   |>> Factory configured - do not alter | SW1/2 |      On      |
   |-------------------------------------+-------+--------------|
   |>> Factory configured - do not alter | SW1/3 |      On      |
   |-------------------------------------+-------+--------------|
   |>> Factory configured - do not alter | SW1/4 |     Off      |
   |-------------------------------------+-------+--------------|
   |>> Media Recognition System enabled  | SW2/3 |     Off      |
   |-------------------------------------+-------+--------------|
   | Media Recognition System disabled   | SW2/3 |      On      |
   |-------------------------------------+-------+--------------|
   |>> Factory configured - do not alter | SW2/4 |      On      |
   |-------------------------------------+-------+--------------|
   |>> Factory configured - do not alter | SW2/5 |      On      |
   |-------------------------------------+-------+--------------|
   |>> Factory configured - do not alter | SW2/6 |      On      |
   |-------------------------------------+-------+--------------|
   |>> Factory configured - do not alter | SW2/7 |      On      |
   |-------------------------------------+-------+--------------|
   |>> Factory configured - do not alter | SW2/8 |      On      |
   |-------------------------------------+-------+--------------|
   |>> Factory configured - do not alter | JP1/9 | Unidentified |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      DRIVE SELECT ID                       |
   |------------------------------------------------------------|
   | Drive ID | JP1/Pins 3 & 4 | JP1/Pins 5 & 6 | JP1/Pins 7 &  |
   |          |                |                |       8       |
   |----------+----------------+----------------+---------------|
   |    0     |      Open      |      Open      |     Open      |
   |----------+----------------+----------------+---------------|
   |    1     |      Open      |      Open      |    Closed     |
   |----------+----------------+----------------+---------------|
   |    2     |      Open      |     Closed     |     Open      |
   |----------+----------------+----------------+---------------|
   |    3     |      Open      |     Closed     |    Closed     |
   |----------+----------------+----------------+---------------|
   |    4     |     Closed     |      Open      |     Open      |
   |----------+----------------+----------------+---------------|
   |    5     |     Closed     |      Open      |    Closed     |
   |----------+----------------+----------------+---------------|
   |    6     |     Closed     |     Closed     |     Open      |
   |----------+----------------+----------------+---------------|
   |    7     |     Closed     |     Closed     |    Closed     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    COMPRESSION SETTINGS                    |
   |------------------------------------------------------------|
   |                  Function                  | SW2/1 | SW2/2 |
   |--------------------------------------------+-------+-------|
   |>> Compression with software control        |  On   |  On   |
   | enabled                                    |       |       |
   |--------------------------------------------+-------+-------|
   | Compression without software control       |  On   |  Off  |
   | enabled                                    |       |       |
   |--------------------------------------------+-------+-------|
   | Compression with software control disabled |  Off  |  On   |
   |--------------------------------------------+-------+-------|
   | Compression without software control       |  Off  |  Off  |
   | enabled                                    |       |       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                TERMINATION POWER SELECTION                 |
   |------------------------------------------------------------|
   |                  Setting                  | JP1/Pins 1 & 2 |
   |-------------------------------------------+----------------|
   | TERMPWR supplied by drive                 |     Closed     |
   |-------------------------------------------+----------------|
   | TERMPWR supplied by SCSI interface to     |      Open      |
   | drive                                     |                |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              MANUFACTURERS RECOMMENDED MEDIA               |
   |------------------------------------------------------------|
   |    Tape    |    Capacity Without    |    Capacity With     |
   |            |      Compression       |     Compression      |
   |------------+------------------------+----------------------|
   |  60m DDS   |         1.3GB          |        2.6GB         |
   |------------+------------------------+----------------------|
   |  90m DDS   |          2GB           |         4GB          |
   |------------+------------------------+----------------------|
   | 120m DDS-2 |          4GB           |         8GB          |
   |------------+------------------------+----------------------|
   | 125m DDS-3 |          12GB          |         24GB         |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/p/E-H/70232-2.png>
   

   +------------------------------------------------------------+
   |                     DIAGNOSTIC LED(S)                      |
   |------------------------------------------------------------|
   | LED  | Color |  Status  |            Condition             |
   |------+-------+----------+----------------------------------|
   | LED1 | Green |    On    | A tape magazine is loaded in the |
   |      |       |          |              drive               |
   |------+-------+----------+----------------------------------|
   | LED1 | Green | Blinking | A tape magazine is being loaded  |
   |      |       |          |           in the drive           |
   |------+-------+----------+----------------------------------|
   | LED1 | Green |   Off    | A tape magazine is not loaded in |
   |      |       |          |              drive               |
   |------+-------+----------+----------------------------------|
   | LED2 | Green |    On    |   A cartridge is loaded in the   |
   |      |       |          |              drive               |
   |------+-------+----------+----------------------------------|
   | LED2 | Green | Blinking | The drive is reading/writing or  |
   |      |       |   fast   |  is in a power diagnostic mode   |
   |------+-------+----------+----------------------------------|
   | LED2 | Green | Blinking |  A cartridge is being loaded in  |
   |      |       |   slow   |              drive               |
   |------+-------+----------+----------------------------------|
   | LED2 | Green |   Off    |         No tape activity         |
   |------+-------+----------+----------------------------------|
   | LED3 | Amber |    On    |    A fatal hardware error has    |
   |      |       |          |             occurred             |
   |------+-------+----------+----------------------------------|
   | LED3 | Amber | Blinking |  A non-fatal error has occurred  |
   |------+-------+----------+----------------------------------|
   | LED3 | Amber |   Off    |     Drive operation is good      |
   +------------------------------------------------------------+