Overview - 20/40GB DDS/4 4-mm Tape Drive

Content

Tape support reference

Publications Files	Installation/Usage

General Information
The IBM 20/40GB DDS/4 Internal Tape Drive provides the right combination of capacity and performance demanded by today's entry to mid-range server and high-end desktop customers. Features include:

• Wide Ultra-2 LVD interface, with standard 68-pin high density connector
• Improved reliability
• Downward read/write compatible to 4/10 GB DDS/2 and 12/24 GB DDS/3 tape drives
• Sealed tape path for improved dust resistance
• LVDS interface
• 20GB (1) native capacity per cartridge
• Fast 2.75 MB/s native transfer rate
• Efficient hardware data compression (2)
• Trim 3.5-inch or 5.25-inch HH form factor
• Black bezel to match Netfinity and IntelliStation

(1) When referring to HDD capacity, GB = 1000 million bytes. Actual capacities may vary based on different operating environments.
(2) Most customers will see a 2X improvement in capacity and transfer rate when this feature is enabled, but since data compression is affected by many factors, degree of actual improvements may vary.

Warranty: 3 year limited Customer Carry-In Exchange

This product replaces:
None

This product was replaced by:
Not Applicable

Packaging:
One box containing...

• Tape drive
• Multilingual manual
• Trial version application software CD(s)
• Data cartridge
• Cleaning cartridge
• Four M3 x 0.5 x 6-mm screws

Marketing and FRU Part Numbers
World Wide...

• Marketing part number -> 00N7991
• FRU part number -> 59P6670 replaces 09N0731

Product Dates
World Wide...

• Announce Date-> 6/22/1999
• Planned Availability Date-> 9/24/1999
• Withdrawal Date-> Not Applicable
• Effective Withdrawal Date-> Not Applicable

Technical Specifications
Performance Specifications as known at time of announcement:

• Up to 20GB native capacity; up to 40GB with hardware data compression (actual storage capacity will vary based on many factors and may actually be smaller than 40GB)
• Can be configured as either 3.5-inch or 5.25-inch HH form factor
• Wide Ultra-2 LVD interface, with a standard 68-pin high density connector
• Read while write data reliability
• Downward read/write compatible to DDS/2 and DDS/3
• Includes a black bezel to match Netfinity and IntelliStation products
• Data Rates: 2.75 MB/sec native and up to 5.5 MB/sec with data compression (actual speeds will vary based on many factors, and are often slower than the maximum possible).

Physical, Environmental, and Compatibility Specifications as known at time of announcement:
Mounted as 3.5-in HH drive

• Weight: * lbs (* kg)
• Height: 1.6 inches (41.3 mm)
• Width: 4.0 inches (101.6 mm)
• Depth: 5.75 inches (146 mm)

Mounted as 5.5-in HH drive

• Weight: * lbs (* kg)
• Height: 1.6 inches (41.3 mm)
• Width: 5.75 inches (146 mm)
• Depth: 6.87 inches (174.6 mm)

Operating Temperature:

• low of 5 degrees celsius to a high of 45 degrees celsius
• low of 41 degrees fahrenheit to a high of 113 degrees fahrenheit

Relative Humidity:

• Operating: low of 20% to a high of 80% (non-condensing)

Agency Approvals:

• UL
• CSA
• TUV
• CE
• FCC - Class B
• C-Tick

ENERGY STAR-Compliant: No. The ENERGY STAR emblem does not represent EPA endorsement of any product or service.

Hardware Requirements for IBM systems:
The IBM 20/40GB DDS/4 4-mm Internal Tape Drive (00N7991) is supported on all models of the following IBM platforms:

• Netfinity 3000 (8476)
• Netfinity 3500 (8644)
• Netfinity 4500R (8656)
• Netfinity 5000 (8659)
• Netfinity 5100 (8658)
• Netfinity 5500 (8660)
• Netfinity 5500 M10 (8661)
• Netfinity 5500 M20 (8662)
• Netfinity 5600 (8664)
• IBM xSeries 230 (8658)
• IBM xSeries 240 (8664)
• IBM xSeries 330 (8654)
• IBM xSeries 340 (8656)
• NetMEDIA Storage Expansion Unit (3551-001)
• External Half-High SCSI Enclosure (3510-020)
• IntelliStation ZPRO (6865)
• IntelliStation MPRO (6889, 6898)

Hardware Requirements for Non-IBM systems:
No information available

Compatibility:
The IBM 20/40GB is compatible with the onboard Ultra Wide SCSI host adapter in all of the supported systems.

Limitations: Some configurations may not be supported.

Supported Software: Not Applicable

Other:
Evaluation version(s) of the following backup application(s) are provided in the option:

• Veritas Backup Exec
• CA ArcServeIT

Document Note(s):

1. The symbol * is used to denote that the information is currently unavailable for this product.
2. All dates are represented in the US English format of mm/dd/yyyy (where mm=month, dd=day, yyyy=year).
3. FRU stands for Field Replacement Unit. It is the part number used for ordering service/replacement parts.
4. Effective Withdrawal means that on the given date IBM will have withdrawn the products from marketing. After that date, the product can not be obtained directly from IBM.