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optical_drive_speeds [2018/12/17 22:48] – beandogoptical_drive_speeds [2018/12/17 23:02] – beandog
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 ====== Optical Drive Speeds ===== ====== Optical Drive Speeds =====
 +
 +  * [[udevadm]]
  
 Doing math and converting kB to Mb and so on gives me a headache, and I can't be particularly certain that I'm doing it right. Therefore, these are the speeds in **binary bytes**, as in, this is what I use in [[dvd_info]] and [[bluray_info]] when deciding how much memory to allocate or drive speed to run at, as in an **char**. Doing math and converting kB to Mb and so on gives me a headache, and I can't be particularly certain that I'm doing it right. Therefore, these are the speeds in **binary bytes**, as in, this is what I use in [[dvd_info]] and [[bluray_info]] when deciding how much memory to allocate or drive speed to run at, as in an **char**.
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   Number of supported write speeds: 1   Number of supported write speeds: 1
   Write speed # 0: 11080 kB/s CLV/PCAV (CD  62x, DVD  8x, BD  2x)   Write speed # 0: 11080 kB/s CLV/PCAV (CD  62x, DVD  8x, BD  2x)
 +</code>
 +
 +If you have multiple drives, you will have to select it directly.
 +
 +Use cdercord to get all of them:
 +
 +<code>
 +cdrecord -scanbus
 +</code>
 +
 +<code>
 +scsibus0:
 + 0,0,0   0) 'ATA     ' 'WDC WD5000AAKS-0' '1D05' Disk
 + 0,1,0   1) *
 + 0,2,0   2) *
 + 0,3,0   3) *
 + 0,4,0   4) *
 + 0,5,0   5) *
 + 0,6,0   6) *
 + 0,7,0   7) *
 +scsibus1:
 + 1,0,0 100) 'TSSTcorp' 'CDRWDVD TS-H493B' 'D200' Removable CD-ROM
 + 1,1,0 101) *
 + 1,2,0 102) *
 + 1,3,0 103) *
 + 1,4,0 104) *
 + 1,5,0 105) *
 + 1,6,0 106) *
 + 1,7,0 107) *
 +scsibus2:
 + 2,0,0 200) 'TSSTcorp' 'DVD+-RW TS-H653B' 'D300' Removable CD-ROM
 + 2,1,0 201) *
 + 2,2,0 202) *
 + 2,3,0 203) *
 + 2,4,0 204) *
 + 2,5,0 205) *
 + 2,6,0 206) *
 + 2,7,0 207) *
 +scsibus3:
 + 3,0,0 300) 'ATAPI   ' 'DVD A  DH24ACSH ' 'LAA3' Removable CD-ROM
 + 3,1,0 301) *
 + 3,2,0 302) *
 + 3,3,0 303) *
 + 3,4,0 304) *
 + 3,5,0 305) *
 + 3,6,0 306) *
 + 3,7,0 307) *
 +</code>
 +
 +Next select the device using the indexing. Here, I've scanning the second drive:
 +
 +<code>
 +cdrecord -prcap dev=1,0,0
 </code> </code>
  

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