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

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 enabled

On

On

Compression without software control enabled

On

Off

Compression with software control disabled

Off

On

Compression without software control enabled

Off

Off

TERMINATION POWER SELECTION

Setting

JP1/Pins 1 & 2

TERMPWR supplied by drive

Closed

TERMPWR supplied by SCSI interface to drive

Open

MANUFACTURERS RECOMMENDED MEDIA

Tape

Capacity Without Compression

Capacity With Compression

60m DDS

1.3GB

2.6GB

90m DDS

2GB

4GB

120m DDS-2

4GB

8GB

125m DDS-3

12GB

24GB

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 fast

The drive is reading/writing or is in a power diagnostic mode

LED2

Green

Blinking slow

A cartridge is being loaded in 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

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