This article provides the specifications on the HP 1533A DAT drive in Apple's Workgroup Server 8150.

The Digital Audio Tape (DAT) drive used in the Workgroup Servers 8150 and 9150 is from Hewlett-Packard, model HP C1533A DDS-2. It supports 60m and 90m DDS Media Recognition System cartridges in addition to the new 120m Digital Data Storage-2 cartridges.

The specifications given below are based on the following general assumptions:

• Media must conform to the DDS Media specifications and not be damaged or faulty.
• The drive and media must remain within their respective operating and non-operating environmental specifications.
• The drive is in good operating condition.
• Read-after-write rewrites are used as necessary on writing.

Capacity:

60 meter tape (DDS-1) 2.6 GB (typical)

90 meter tape (DDS-1) 4.0 GB (typical)

120 meter tape (DDS-2) 8.0 GB (typical)

NOTE: Tape capacity is dependent upon compressibility of data. For example, text files compress better that applications.

Transfer Rate

Sustained:

510 KB per second (native)

1.0 MB per second (typical)

1.5 MB per second (maximum)

Burst:

Asynchronous 3.0 MB per second (maximum)

Synchronous 7.5 MB per second (maximum)