Exabyte EXB-8505 8mm manual Data format features

									1 Features
Table 1-2Read/write compatibility of Exabyte 8mm tape drives
A tape			Can be read and written by an ...
written in
	EXB-8205		EXB-8205 XL					EXB-8505	EXB-8505 XL
this format...
8200		✔		✔				✔	✔
8200c		✔		✔				✔	✔
8500								✔	✔
8500c								✔	✔
Table 1-3Data format features
		8200		8200c				8500 format	8500c format*
								(EXB-8505 and	(EXB-8505 and
		format		format*
								EXB-8505XL)	EXB-8505XL)
Maximum sustained		262				500			1.0
data transfer rate		KBytes/sec		KBytes/sec					MByte/sec
Maximum capacity on		2.5				5.0			10.0
112m tape		GBytes			GBytes				GBytes
Maximum capacity		3.5				7.0			14.0
on 160m XL tape (XL
		GBytes			GBytes				GBytes
configurations only)
		Helical scan: One write head writes					Helical scan: Two write heads write
Track								two overlapping data tracks.
		a single data track
structure								Track 1 = +20° azimuth.
		with a –10°azimuth.
								Track 2 = –10°azimuth.
Supports partitions				no					yes
Supports setmarks				no					yes
Long filemarks		270 tracks (2,160 KBytes)						6 tracks (48 KBytes)
Short filemarks		23 tracks		one 1-KByte physical block
		(184 KBytes)
Setmarks				no					yes–6 tracks
									(48 KBytes)
EOD mark		no		yes–849 tracks				yes–602 tracks
Search fields		no						yes
Logical		no						yes
block packing

*Assumes a data compression ratio of 2:1.

May 1994	EXB-8205 and EXB-8505	1-5
	(Standard and XL)