Exabyte EXB-8205 Instruções de Operação descarregar pdf (Página 35)

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Search Fields

Each track of data contains search fields used for high-speed search.

High-speed search occurs when the initiator issues a LOCATE

(2Bh) or SPACE (11h) command. The search fields are the only

areas of the tape that are read during a high-speed search. They

consist of small data areas interspersed with clock sync areas. The

search field data contains information for locating files and blocks

and detecting the end-of-data (EOD) mark during high-speed

searches.

Note: Tapes written in 8200 format are SCSI-1 compatible and do

not contain search fields. For this reason, 8200 format tapes

do not support high-speed search. In addition, the CTS does

not support the EXB-8200SX high-speed search feature.

1.3 Controls and Indicators

Figure 1-4 shows the unload button and LEDs on the front panel of

the EXB-8505. (The front panel of the EXB-8205 is the same except

that the LEDs are vertical instead of horizontal.)

Note: The EXB-8505 and EXB-8205 have a smooth unload button

with an oval-shaped indentation. The EXB-8505XL and

EXB-8205XL have a diamond pattern on the unload button.

May 1994 EXB-8205 and EXB-8505

(Standard and XL)

1-13

1 CTS Features

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Exabyte EXB-8205 Instruções de Operação Página 35

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