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# 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
IMG IMG 1
+------------------------------------------------------------+
| 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 |
+------------------------------------------------------------+
IMG IMG 2
+------------------------------------------------------------+
| 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 |
+------------------------------------------------------------+