Tape speed, Reposition time -4, Table 6-4 – Exabyte EXB-8505 8mm User Manual

Page 95: Drum rotation periods -5, File-search tape speed

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Tape Speed

Table 6-2 lists the nominal tape speed at which data can be written
and read by the tape drives.

Format

Speed

EXB-8205 and EXB-8205XL

EXB-8505 and EXB-8505XL

8500c

11.079 mm/sec (0.436
inch/sec)

8500

8200c

11.079 mm/sec (0.436 inch/sec)

8200

11.633 mm/sec (0.458 inch/sec)

File-Search Tape Speed

Table 6-3 lists forward and backward file-search tape speeds for the
tape drives. These high-speed search times occur when the initiator
issues a LOCATE command (for tapes written in 8200c, 8500, or 8500c
formats) or a SPACE command (for all formats).

Format

Forward Speed

Backward Speed

EXB-8205 and

EXB-8205XL

EXB-8505 and

EXB-8505XL

EXB-8205 and

EXB-8205XL

EXB-8505 and

EXB-8505XL

8500c

831 mm/sec max
(32.7 inch/sec)

831 mm/sec max
(32.7 inch/sec)

8500

8200c

831 mm/sec max (32.7 inch/sec)

831 mm/sec max (32.7 inch/sec)

8200

116 mm/sec (4.58 inch/sec)

87.25 mm/sec (3.45 inch/sec)

8500, 8500c, and 8200c Formats

If the tape is written in 8500, 8500c, or 8200c formats, the tape drive
can perform forward and backward file-search operations at up to 75
times the nominal tape speed.

Table 6-2 Nominal tape speed

Table 6-3 File-search tape speeds

May 1994

EXB-8205 and EXB-8505

6-3

(Standard and XL)

6 Functional Specifications

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