Nero Cd-dvd Speed Free Download
Kody Chavva
Nero v7.2.7.0 can apparently also write under Win98 multi-session Blu-ray disks, which I eventually will have to try out. The Blu-ray test-disk I burnt and finalized has 10.3GB stuff on it (11000 files, 2000 folders, burn time at 4x [17,980 kB/s] was 11:26 minutes). 4x was the only writing speed offered by Nero with the firmware of the Memorex burner, I would have preferred 1x, maybe it was caused by the Kodak BD-R disks, which stated just 4x.
On the downside, the quality of the Blu-ray disk burnt with ImgBurn was just as bad as with Nero v7.2.7.0 under Win98. When I burnt under WinXP a Blu-ray disk with Nero v7.11.10.0c (last build of Nero 7, does not run under Win98), the quality of the burnt disk was 0/100, i.e. near-coaster. The low burn quality is apparently not caused by the software or the operating system used. Possible culprits are the Blu-ray burner, the BD-R media or the high writing speed (4x, 17,980 KB/s). ImgBurn indicates that the memorex burner/firmware has only a single 4x writing speed for Blu-Ray disks, maybe another burner with 1x, 2x and 4x writing speed can produce better results.
The last Win98-compatible build of Nero 7, which is v7.2.7.0, has an older installer file, digitally signed 23-Aug-2006, and the modification date of nero.exe in the install-to directory is 21-Aug-2006.
Have you ever use some tools like Nero CD Speed Test, Opti Drive Controller, or DvdInfo?In these applications you can get real RPM of a drive. I mean it is said that drives at the speed X have RPM Y but it's a nominal or maybe ideal RPM if you set your drive at a speed and get the RPM with these tools you will see it's a bit different and changes continuously.
For some calculation in my project I need to know the exact RPM at any time I want.I've tested a method: reading a sector twice - from medium (not cached reading) - many times and calculating elapsed time between two reading, finally get median value. But it's a far different value from values which standard testing tools report (like tools I mentioned). For example for 24X speed, RPM should be near 5100 but any method I tested reported a strange RPM.
If you are looking for a cheap yet fast and capable DVD-burner the LiteOn SOHW-812S will not dissapoint you. With a write speed at 8X for both DVD-R and DVD+R you will be burning your movies and data in no time.
Im actually a bit confused by CD-DVD Speed here. It says the drive uses P-CAV (Partial Constant Angular Velocity), but the graph clearly shows that the drive is using Z-CLV (Zoned Constant Linear Velocity) for this disc. The average write speed is 7.16X, which isnt far off the max 8X it supports.
Switching to DVD-R, the Verbatim media gets a strange dip in the speed in the end. This leads to a slightly lower average write speed of 6.8X. I did try out one more disc just to be sure it wasnt a fluke but got the same result.
The LiteOn 812S writes CDs with CAV (Constant Angular Velocity). This means that the rotation of the CD is constant on all parts of the disc. The average write-speed is 31.6X, which isnt far from the max 40X.
Conclusion
The average write speed is overall pretty close to the maximum rated speed of 8X both for DVD-R and DVD+R. I was surprised that the fastest speed was found on the cheap Platinum media and not the more expensive Verbatim media.
As you can see the disc is read with Constant Angular Velocity. Even though the drive is rated to be able to read up to 12X speed, it barely reaches 8X, which also was what Nero InfoTool reported as max speed. In the end of the disc, you can see that there are some dips indicating that the drive had some small issues reading the last part of the disc, slowing it down a notch a few times.
Conclusion:
I was a bit surprised here of the result. Not only did the drive never reach the maximum read speed of 12X, not even at the end of the disc, but it also seemed to have some issues reading the end of the disc on a few DVDs. Once again the Platinum DVD seemed to work well with this drive compared to the more expensive Verbatim media.
- Read formats.
- DVD: DVD-ROM, DVD-R (Ver 1.0, Ver 2.0), DVD-RW (Ver 1.1).
- CD: CD-DA, CD+(E) G, CD-MIDI, CD-TEXT, CD-ROM, CD-ROM XA, CD-I, CD-I Bridge (Photo-CD, Video-CD), Multi-session CD (Photo CD, CD-Extra, CD-R, CD-RW, Portfolio), CD-RW, CD-R (read)
- Write speeds.
- DVD-R: 4X CLV
- DVD-RW: 2X CLV
- CD-R: 16X Z-CLV
- CD-RW: 10X CLV
- Read speeds (max).
- DVD-ROM : 12X CAV
- DVD-RAM : 1X CAV
- CD-ROM/R: 40X CAV
- Access time
- DVD: 130 Msec
- DVD: 200 Msec
- CD: 110 Msec
- Interface: ATAPI/IDE
- Data buffer: 2 Mbytes
- Mounting: horizontal and vertical.
- MTBF: 100,000 hours
- Dimensions (W x D x H): 146 x 189.5 x 41.5 mm
- Weight: 1 kg.
The DVD-R media was recorded without problems, the drive detectedand burnt various models. Also, the drive records 1x DVD-R discs sellingunder the trademarks of Digitex, Memorex and Princo at 2x. Unfortunately,the current firmware version doesn't work correctly with 4x DVD-R media fromPrinco: it agrees to write such discs at 4x, but the actual speed is 1x.
The new DRX-S70U-W sports a sleek design and supports up to 8X DVD+/-R recording speeds, delivering a full 4.7 GB disc of video, data, music or images on standard 8X DVD+/-R media. In addition, the drive can record on 8.5GB DVD+/-R Double/Dual layer and 4.7GB DVD-RW discs at 6X speeds, DVD+RW at 8X, DVD-RAM at 5X and CD-R/RW at 24X.
The drive comes bundled with the Nero DVD/CD mastering software suite, and offers quick and easy connectivity with a high speed USB (USB 2.0) digital interface for simple setup and maximum flexibility.
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