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Home > Hardware Reviews > Optical Storage

Thursday, June 14, 2007
HP DVD1035i

2. CD - DVD Reading

In this page we look at the reading performance of the HP dvd1035i with various CD and DVD media. For reference, we present a comparison with the LITE-ON DVDRW SH-16A7S and LG GSA H55L drives.


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The following CD Speed graph shows the reading performance with US-RW media. For all the CDSpeed graphs, you can click on the image to see the full CDspeed snapshot.

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- AudioCD

In the CD Speed Advanced DAE quality test, the drive's average speed was 31.78X with a quality score of 100.

A typical DAE task with an 80min non-protected Audio CD produced a 31.3X average ripping speed.

- 90/99 mins Audio disc

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Both 90min and 99min audio CD readings returned unrecovered read errors, as seen in the screenshots above.

- DVD Format

Now let's have a look at how the drive performs with DVD media. This time, a set of SL and DL DVD media was used. The drive is capable of reading at 20X maximum speed for single layer and at 8X for dual layer media.

DVD-ROM SL media -

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The two layers of a PTP DVD-ROM disc are read sequentially with the drive starting reading from the inner part of the disc, which is the beginning of each layer, progressing towards its outer range.

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The first layer of an OTP dual layer DVD-ROM is read exactly the same way as the first layer of the PTP disc we tested previously. The difference here is the reading strategy of the second layer of the disc. The beginning of the second layer is located in the outer part of the disc, so the drive starts reading from the outer tracks and progresses towards the inner part of the disc.

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Reading problems were reported with the DVD-RW disc. The CDSpeed transfer rate graph indicates that the drive could not follow the usual CAV reading path and lowered the reading speeds down to 2x in some areas of the disc. This behavior was reproduced with different DVD-RW discs.


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As seen in the series of charts above, the HP DVD 1035i drive achieved the similar reading speeds as the LITE-ON DVDRW SH-16A7S drive in most of the reading tests we performed.


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The HP DVD1035i drive wasn't capable of reading either the 4X or 8X DVD-R DL discs we tried. The drive could not recognize the discs, no matter which brand we tried. This issue should be addressed with a new firmware release.


-DVD-RAM (12X)

- DVD Ripping speed

Average - 12.008 KB/S (8.7x)
Maximum - 17,091 KB/s (12.3x)

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