Date: Mon, 3 Mar 1997 16:47:00 -0800 (PST) From: Tom Bartol <bartol@salk.edu> To: questions@freebsd.org Subject: Density codes for Exabyte 8505XL Message-ID: <Pine.BSF.3.95.970303162930.394D-100000@pauling.salk.edu>
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Hi, Does anyone know what density code I should use in the mt command to get max density on an Exabyte 8505XL 8mm tape drive? I'm using freebsd-current as of 2/9/97. An "mt status" gives the following: Present Mode: Density = 0x00 Blocksize variable ---------available modes--------- Mode 0: Density = 0x00 Blocksize variable Mode 1: Density = X3.136-1986 Blocksize = 512 bytes Mode 2: Density = X3.39-1986 Blocksize variable Mode 3: Density = X3.54-1986 Blocksize variable But the modes listed here don't really correspond what I'd expect to see for a helical scanning tape drive. I have been able to use density mode X3.202-1991 (hex code 0x14) but I don't whether is the the max density code for my drive and I don't know what other codes might be available. Codes 0x13 and 0x15 (which are listed at helical scan density codes in the mt manpage) don't work on my drive. Thanks, Tom
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