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CHAPTER 11 Input-Output Units
7 Use the attached small brush to remove dust from the special cleaning brush of the CD-ROM
cleaning disk. Then, store the brush in the case.
If the CD-ROM disk is dirty, clean it from the center to the circumference using a soft cloth. Do not
clean using a circular motion.
11.4 Tape Unit
Overview One of the following tape units shown below can be installed into the main cabinet as an option.
DAT (DDS-3) unit: up to 24 Gigabytes/cartridge (compressed)
8-mm tape unit: up to 14 Gigabytes/cartridge (compressed)
1/4-inch cartridge (QIC) tape unit: up to 2.5 Gigabytes/cartridge
Data can also be read from and written to a 150-megabyte QIC tape.
IMPORTANT
The SCSI ID of these tape units is set to 5 for 1st expansion, or 3 for 2nd expansion (only
applied for Expansion File Unit Type-2)
Hot replacement feature
Hot replacement can be performed for the tape drive in the main cabinet. The tape unit is used as a
simple backup device. If tape unit failures occur, such as tape snagging, the hot replacement feature
can be used to replace the unit without shutdown the system.
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