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author | joerg <joerg@FreeBSD.org> | 2002-10-15 12:53:29 +0000 |
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committer | joerg <joerg@FreeBSD.org> | 2002-10-15 12:53:29 +0000 |
commit | 00d15800f1559a723e52ed176f834ad2b9846502 (patch) | |
tree | 4dcf7924b30ac5b2496c918dda9ff3bfbf94d683 /usr.bin/mt | |
parent | a3f9c69e038cbe454e9f7638bf9a66ea6da04e32 (diff) | |
download | FreeBSD-src-00d15800f1559a723e52ed176f834ad2b9846502.zip FreeBSD-src-00d15800f1559a723e52ed176f834ad2b9846502.tar.gz |
Add information about the SDLT density codes.
Submitted by: "Stewart MacLund" <sundie@lunaticfringe.org>
MFC after: 1 week
Diffstat (limited to 'usr.bin/mt')
-rw-r--r-- | usr.bin/mt/mt.1 | 5 | ||||
-rw-r--r-- | usr.bin/mt/mt.c | 2 |
2 files changed, 7 insertions, 0 deletions
diff --git a/usr.bin/mt/mt.1 b/usr.bin/mt/mt.1 index b48a853..10da38b 100644 --- a/usr.bin/mt/mt.1 +++ b/usr.bin/mt/mt.1 @@ -286,6 +286,8 @@ Value Width Tracks Density Code Type Reference Note 0x2A 0x2B 12.7 (0.5) 3 ? ? ? C X3.267 5 0x41 12.7 (0.5) 208 3,868 (98,250) RLL C DLTapeIV(40) 6,7 +0x48 12.7 (0.5) 448 5,236 (133,000) PRML C SDLTapeI(110) 6,8 +0x49 12.7 (0.5) 448 7,598 (193,000) PRML C SDLTapeI(160) 6,8 .Ed .Bd -literal -offset 3n Code Description Type Description @@ -297,6 +299,7 @@ IMFM Inverted modified frequency modulation MFM Modified frequency modulation DDS DAT data storage RLL Run length limited +PRML Partial Response Maximum Likelihood .Ed .Bd -literal -offset 3n NOTES @@ -308,6 +311,8 @@ NOTES an industry standard definition of the media format. 7. DLT recording: serially recorded track pairs (DLTapeIII and DLTapeIV(20)), or track quads (DLTapeIV(35) and DLTapeIV(40)). +8. Super DLT (SDLT) recording: 56 serially recorded logical tracks with + 8 physical tracks each. .Ed .Sh ENVIRONMENT If the following environment variable exists, it is utilized by diff --git a/usr.bin/mt/mt.c b/usr.bin/mt/mt.c index df2cc6b..a320e97 100644 --- a/usr.bin/mt/mt.c +++ b/usr.bin/mt/mt.c @@ -455,6 +455,8 @@ struct densities { { 0x27, 3056, 77611, "Mammoth" }, { 0x28, 1491, 37871, "X3.224" }, { 0x41, 3868, 98250, "DLTapeIV(40GB)" }, + { 0x48, 5236, 133000, "SDLTapeI(110)" }, + { 0x49, 7598, 193000, "SDLTapeI(160)" }, { 0, 0, 0, NULL } }; |