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Chapter 1 System Overview 1-31
1.3.9.3 Tape Drive Unit
The tape drive unit in both midrange servers is an optional component. TABLE 1-12
lists the features, location, and specifications of the optional tape drive unit.
Contact your sales representative for tape drive unit options on M4000/M5000
servers.
1.4 I/O Options
1.4.1 External I/O Expansion Unit
You can purchase an optional External I/O Expansion Unit to add I/O capacity to
the server. For more information, refer to the External I/O Expansion Unit Installation
and Service Manual.
1.4.2 PCI Cards
Each PCI card in the server must be mounted to a PCI cassette before the card can be
inserted into the I/O unit slot. For more information, see Section 1.3.8, “I/O Unit” on
page 1-26.
TABLE 1-12 Tape Drive Unit Features and Specifications for Both Midrange Servers
Feature Quantity, Location, and Specifications
Number of tape drive units 1 (optional)
Location Front of server
Cold FRU replacement capability Yes
Tape drive unit type Digital audio tape (DAT) drive
Data transfer rate About 6 MB/s
Capacity 36 Gbytes of data (non compressed format)
72 Gbytes of data (double-compressed format)
Media type Sequential access
Transfer rate 150 MB/s or faster