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By: a guest | Mar 15th, 2010 | Syntax: None | Size: 6.40 KB | Hits: 37 | Expires: Never
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  1. Informations from INQUIRY command:
  2. Manufacturer: TSSTcorp,   Product:  CD/DVDW SH-S182M,  Version: SB06
  3. Synchronous data transfer: Not supported
  4. Explanation:
  5. The INQUIRY command will give fundamental information on a device.
  6. First it determines the names of the manufacturer and the product and the product version number (in most cases the version of the
  7. firmware).
  8. It also determines some infomation on the abilities of the device; the most interesting being whether the device
  9. supports"synchronous data transfer". This transfer mode allows a faster transfer of the data through the SCSI-bus. This is also
  10. necessary when using "slow" CD-Roms, because the bus will be burdened less.
  11.  
  12.  
  13. Reading device capabilities:  OK
  14. Maximum speed: 4234 kByte / second (24.0 times)
  15. Cache size: 2048 kByte
  16. Read CD-RW:   Yes
  17. Read Bar code:  No
  18. Read UPC code:  Yes
  19. Read ISRC code:  Yes
  20. Return C2 error pointers:  Yes
  21. Read R-W subcodes:  Yes
  22. R-W subcode de-interleaved:  No
  23. Read CD-DA:  Yes
  24. Read CD-DA correctly:  Yes
  25.  
  26. Explanation:
  27. All "modern" CD-Roms support a additional command, which can be used by the computer, to determine the capabilities of the CD-Rom.
  28. The device supports the command. Feurio! has decoded the most interesting details and output them.
  29. It should be pointed out that these are statements by  the manufacturer! If a CD-Rom reports that it supports some functions, this
  30. doesn't mean that these functions are implemented correctly.
  31.  
  32. Maximum speed:
  33.    This is the maximum speed, with which the CD-Rom can read audio data.
  34.    (This has nothing to do with the transfer rate on the SCSI- or IDE-bus.)
  35.  
  36. Cache size:
  37.    The size of the cache memory of the device.
  38.    (Feurio! determines the real cache size that can be used by audio data later; in fact there are devices that cannot cache audio
  39.    data!)
  40.  
  41. Read CD-RW:
  42.    Here it tells you whether your device can read rewritable media.
  43.  
  44. Read Bar-code:
  45.    Reports whether your device can read the bar-code which is printed on most CDs/CDRs.
  46.  
  47. Read UPC-code:
  48.    Report whether the device can read the UPC-code (Universal Product Code) of the CD.
  49.  
  50. Read ISRC-code:
  51.    Reports whether the device can read the ISRC-code (International Standard Recording Code) of the tracks.
  52.  
  53. Return C2 error pointers:
  54.    A CD has several methods for error detection and correction.
  55.    In general, a CD-Rom corrects errors automatically (if possible).
  56.    There is also a mode, in which the CD-Rom returns, if (and where) there were correctable errors. So it is possible for example
  57.    to determine, how "good" a CD still is. Unfortunately this mode works only with data CDs!
  58.  
  59. Read R-W-subcodes:
  60.    Besides the normal audio data, on an audio CD there is some additional data in so-called "Subchannels" on the CD. The
  61.    individual channels are named with letters.
  62.    The P- and Q-channels contain e.g. the time-code and the index data.
  63.    The channels R and W are still not normed, they can be used e.g. for writing the artist and the title of the track to the CD.
  64.    This parameter reports, if your device can read the R- and W-channels.
  65.  
  66. R-W-subcode de-interleaved:
  67.    Reports, if the device can read the R-W-channels just in raw format ("No") or in a processed format ("Yes").
  68. Read CD-DA:
  69.    "Yes" -> The device claims that it can read audio data.
  70.  
  71. Read CD-DA correctly:
  72.    "Yes" -> The device claims that it can read audio data correctly (i.e. without jitter errors).
  73.  
  74. =====================================================================================================
  75.  
  76. +++++++++++++++++++++++++
  77. ++ Cache test
  78. +++++++++++++++++++++++++
  79.  
  80. Feurio! will now try to determine the size of the cache memory usable for audio data and the max. transfer rate.
  81. To do so, Feurio! will read a certain number of sectors repeatedly and measure the transfer rate.
  82.  
  83. First 1 sector will be read repeatedly, then 2 sectors, and so on.
  84. Normally the transfer rate will increase, because the more sectors are read, the fewer search operations will be needed.
  85.  
  86. Number of sectors: 1 (=2 kByte) -> 0.061 MBytes / second
  87. Number of sectors: 2 (=4 kByte) -> 0.127 MBytes / second
  88. Number of sectors: 3 (=7 kByte) -> 0.187 MBytes / second
  89. Number of sectors: 4 (=9 kByte) -> 0.186 MBytes / second
  90. Number of sectors: 5 (=11 kByte) -> 0.212 MBytes / second
  91. Number of sectors: 6 (=14 kByte) -> 0.254 MBytes / second
  92. Number of sectors: 7 (=16 kByte) -> 0.298 MBytes / second
  93. Number of sectors: 8 (=18 kByte) -> 0.338 MBytes / second
  94. Number of sectors: 9 (=21 kByte) -> 0.383 MBytes / second
  95. Number of sectors: 10 (=23 kByte) -> 0.414 MBytes / second
  96. Number of sectors: 15 (=35 kByte) -> 0.474 MBytes / second
  97. Number of sectors: 22 (=51 kByte) -> 0.677 MBytes / second
  98. Number of sectors: 15 (=35 kByte) -> 0.468 MBytes / second
  99. Number of sectors: 16 (=37 kByte) -> 0.491 MBytes / second
  100. Number of sectors: 17 (=39 kByte) -> 0.531 MBytes / second
  101. Number of sectors: 18 (=42 kByte) -> 0.550 MBytes / second
  102. Number of sectors: 19 (=44 kByte) -> 0.600 MBytes / second
  103. Number of sectors: 20 (=47 kByte) -> 0.630 MBytes / second
  104. Number of sectors: 21 (=49 kByte) -> 0.664 MBytes / second
  105. Number of sectors: 31 (=72 kByte) -> 0.774 MBytes / second
  106. Number of sectors: 46 (=108 kByte) -> 0.835 MBytes / second
  107. Number of sectors: 69 (=162 kByte) -> 0.937 MBytes / second
  108. Number of sectors: 103 (=242 kByte) -> 1.009 MBytes / second
  109. Number of sectors: 154 (=362 kByte) -> 1.092 MBytes / second
  110. Number of sectors: 231 (=543 kByte) -> 1.098 MBytes / second
  111. Number of sectors: 346 (=813 kByte) -> 1.140 MBytes / second
  112. Number of sectors: 519 (=1220 kByte) -> 1.179 MBytes / second
  113. Number of sectors: 778 (=1829 kByte) -> 1.194 MBytes / second
  114. Number of sectors: 1167 (=2744 kByte) -> 1.207 MBytes / second
  115. Number of sectors: 1750 (=4116 kByte) -> 1.225 MBytes / second
  116. Number of sectors: 2625 (=6174 kByte) -> 1.227 MBytes / second
  117. Number of sectors: 3937 (=9259 kByte) -> 1.239 MBytes / second
  118. Number of sectors: 5905 (=13888 kByte) -> 1.253 MBytes / second
  119. Number of sectors: 8857 (=20831 kByte) -> 1.266 MBytes / second
  120. Number of sectors: 13285 (=31246 kByte) -> 1.284 MBytes / second
  121. Number of sectors: 19927 (=46868 kByte) -> 1.309 MBytes / second
  122.  
  123. -------------------------------
  124. Result:
  125. Maximum transfer rate: 1309 kBytes/Second
  126. Cache size for audio data: 0 kByte
  127. It seems that your device isn't able to cache audio data!
  128.  
  129. ############################################
  130. ####           FINISHED
  131. ############################################
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