Forumdetail information
| Posted by | Wendy Collins |
| Posted on | 18/02/07 13:00 |
Writing Data CD-R/RW discs:
The specifications state that the drive should be able to write CD-R’s at 48x and CD-RW’s at 32x.
CD-R:
|
Brand: |
Unbranded Printable. Thanks to SVP UK for sending us this media |
|
Manufacturer: |
Taiyo Yuden |
|
Code: |
97m24s01f |
|
Disc Type: |
CD-R |
|
Recording Layer: |
Dye Type 1: Long Strategy (Cyanine, AZO) |
|
Capacity: |
79:59.72 (703MB) |
|
Certified Speed: |
48x |
|
Write Speed: |
48x (CAV) |
|
Write Time: |
2m:55s |
|
C1 Average/Sec: |
0.10 |
|
C2 Average/Sec: |
0.0 |
An excellent result.
|
Brand: |
RICOH – Thanks to RICOH Europe (BV) for sending us this media. |
|
Manufacturer: |
Moser Baer India Limited |
|
Code: |
97m17s06f |
|
Disc Type: |
CD-R |
|
Recording Layer: |
Dye Type 6: Short Strategy (Phthalocyanine) |
|
Capacity: |
79:59.74 (703MB) |
|
Certified Speed: |
1x-52x |
|
Write Speed: |
40x (P-CAV) |
|
Write Time: |
2m:57s |
|
C1 Average/Sec: |
1.19 |
|
C2 Average/Sec: |
0.0 |
Another excellent result.
|
Brand: |
Verbatim Super AZO – Thanks to Verbatim UK for sending us this media |
|
Manufacturer: |
Mitsubishi Chemicals Corporation |
|
Code: |
97m34s23f |
|
Disc Type: |
CD-R |
|
Recording Layer: |
Dye Type 3: Long Strategy (Cyanine, AZO) |
|
Capacity: |
79:59.70 (703MB) |
|
Certified Speed: |
48x |
|
Write Speed: |
48x (CAV) |
|
Write Time: |
2m:52s |
|
C1 Average/Sec: |
0.45 |
|
C2 Average/Sec: |
0.0 |
C1 errors are rising at the end of the disc, but the result is still very good.
|
Brand: |
Infiniti Printable – Thanks to Medea |
|
Manufacturer: |
SKC |
|
Code: |
97m26s26f |
|
Disc Type: |
CD-R |
|
Recording Layer: |
Dye Type 6: Short Strategy (Phthalocyanine) |
|
Capacity: |
79:59.09 (703 MB) |
|
Certified Speed: |
52x |
|
Write Speed: |
48x (CAV) |
|
Write Time: |
2m:51s |
|
C1 Average/Sec: |
1.21 |
|
C2 Average/Sec: |
0.0 |
To round off our CD-R tests, we have another very good result.
CD-RW:
|
Brand: |
Verbatim Ultra speed 32x – Thanks to Verbatim UK for sending us this media. |
|
Manufacturer: |
Mitsubishi Chemicals Corporation |
|
Code: |
97m34s25f |
|
Disc Type: |
Ultra Speed CD-RW 32x |
|
Recording Layer: |
Phase Change |
|
Capacity: |
79:59.74 (703MB) |
|
Certified Speed: |
32x |
|
Write Speed: |
32x (Z-CLV) |
|
Write Time: |
3m:31s |
|
C1 Average/Sec: |
12.13 |
|
C2 Average/Sec: |
0.18 |
C1 errors are high at the start of the disc where the writing speed is lower than the disc’s rated speed. This is not unusual and the result is ok.
Summary:
CD-R media has burned with excellent/very good quality and CD-RW has burned with good quality.
On the next page we take a look at DVD+R/RW writing performance....
Reading performance
/Egon
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