BDR-203/BDC-203 Command Reference Manual Version 0.90
4.19 REQUEST SENSE Command
The drive returns the 22 bytes of Sense Data.
When Sense Key, Additional Sense Code and Additional Sense Code Qualifier field is set to 2/3A/00 MEDIUM NOT PRESENT or 2/04/01 LOGICAL UNIT IS IN PROCESS OF BECOMING READY, the Loading information is set to Byte 21 in the Sense Data as following.
Table 36 – Loading Status
Byte 21 | Loading Status |
00h | Tray Open |
01h | Loading |
02h | Unloading |
03h | Tray Close and no media |
04h | Reserved |
05h | Tray Close and Setup |
4.20 SET CD SPEED Command
The drive can not specify the reading speed by any Packet command. The setting of Logical Unit Read Speed f eld s ignored. The reading speed is determined by the drive.
This command changes the writing speed for
The available writing speed may be restricted by the drive when the characteristic of m dia is ot sui able for he speed.
Table 37 – Parameters to set Writing speed for CD-R/RW
| Logical Unit |
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| Writing Speed |
| Speed |
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| Speed | Wr t ng Speed | Writing Speed |
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| 0000h – 06E2h |
| 4x CLV |
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| 4x CLV |
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| 06E3h – 0B05h |
| 10x CLV |
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| 10x CLV |
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| 0B06h – 1088h |
| 16x ZCLV |
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| 16x CLV | Remains previous setting | Remains previous setting |
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| ONFIDENTIAL |
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| 1089h – 160Bh |
| 24x ZCLV |
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| 24x Z | LV |
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| 160Ch – FFFFh |
| 32x ZCLV |
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| 32x Z | LV |
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| 4.21 SET STREAMING Command |
| C |
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| 4.21.1 Readi | g Sp | d |
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| The Drive can ot sp cify the reading speed by any Packet command. |
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| The readi | g speed may be automatically reduced by the drive in order to retry to read a block which has not been corrected | |||||||||||
| err rs. |
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| Table 38 – Available Reading speed for each media |
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| IONEER |
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P | Media |
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| Reading Speed |
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| 9.3x CAV - 4x CLV |
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| 9.3x CAV - 4x CLV |
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| 40x CAV – 4x CLV |
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| 32x CAV – 4x CLV |
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| 24x CAV – 4x CLV |
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| 16x CAV – 1x CLV |
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| 12x CAV - 1x CLV |
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| 16x CAV – 1x CLV |
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| 12x CAV – 1x CLV |
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| 12x CAV – 1x CLV |
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| 5x ZCLV – 2x CLV |
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| +R |
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| 16x CAV – 2.4x CLV |
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| +R DL |
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| 12x CAV – 2.4x CLV |
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| +RW |
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| 12x CAV – 2.4x CLV |
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| 8x CAV – 2x CLV |
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| 6x CAV - 2x CLV |
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After writing, the reading speed is change to same speed of writing speed.
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