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Home > Hardware Reviews > Optical Storage > DVD Recorders 1-4x

Monday, October 27, 2003
LiteOn LDW-401S DVD+R/+RW

1. Retail package - Installation

LiteOn DVD+RW LDW401S- Page 1


LiteOn, the well known as manufacturer of CD-RW/combo recorders, introduced its first DVD+R/RW writer, the LiteOn LDW-401S. The Taiwanese manufacturer has chose the "plus" format for its debut in the DVD recording market, without however, following the same policy for the future products. The ATAPI/IDE half-height DVD+RW writer supports 4x writing for both DVD+R/+RW formats.


Smart-Burn technology is engaged by LITE-ON due to succeed buffer- under-run-free function and great media compatibility for high-speed writing DVD+R, DVD+DW, CD-R, CD-RW media.

With the Smart-X technology LiteOn gives you the opportunity for constant Audio CD/VCD/DVD playback and excellent data extraction. The buffer memory of 2MB helps on DVD recording procedure.

  • VAS® Reduce vibration & noise during recording & reading
- Specifications
DVD Family
4x (5400KB/sec) CLV
4x (5400KB/sec) CLV
Reading Speed

DVD-ROM (Single layer )

12x (16200KB/sec) maximum CAV
DVD-ROM (Dual layer)
8x (10800KB/sec) maximum CAV
Access Time 160 ms
CD Family
Writing Speed CD-R
40x (6000KB/sec) maximum CAV
ReWriting speed CD-RW 24x (3600KB/sec) maximum PCAV in UltraSpeed disc
Reading 40x (6000KB/sec) maximum CAV
Access Time : 140 ms
Buffer Size : 2MB

Dimension :145 ( W ) x 41.3 ( H ) x 170 ( D ) mm

Writing methods : Fixed Packet, Variable Packet, TAO, SAO, DAO, Raw Mode Burning & Over-Burn
DVD read format: DVD single/dual layer (PTP, OTP), DVD-R (3.9G/4.7G), DVD-R multi-borders, DVD+R, DVD+R multi-sessions, DVD-RW, and DVD+RW
CD read format: CD-DA, CD-ROM, CD-ROM/XA , Photo-CD, Multi-session, Karaoke-CD, Video-CD, CD-I FMV, CD Extra, CD Plus, CD-R, and CD-RW
Transfer mode : PIO mode 4, DMA mode 2 and Ultra DMA mode 2
Support both 8cm and 12cm disc of CD and DVD family

As you can see from the tables above LiteOn supports writing for DVD+R/RW and CD-R/RW media. The burn procedure can easily approach the 4x speed under CLV with DVD+R and DVD+RW media. As far as it concerns the CD family, the maximum writing speed for the CD-R is 40x CAV and 24x P-CAV for CD-RW Ultra Speed discs. The internal memory of the drive is 2MB.

LiteOn LDW-401S uses the RPC II region control, allowing user to change the drive's region 5 times in total. For our tests, we set the region code to 2 (Europe). The drive supports reading of all the DVD recordable/rewritable discs except DVD-RAM which is also not included in the writing capabilities of the drive along with the DVD-R/-RW format and Mount Rainier.

- Unpacking

The European retail package includes the LiteOn IDE drive, one 4.7GB 4x DVD+R by Ricoh, one 4.7GB 4x DVD+RW by Ricoh, a quick installation guide, an audio cable and mounting screws.

The attached software includes only Cyberlink's Power DVD XP for video playback LiteOn could definitely include at least a burning /authoring software for CD/DVD, as it is usually happens with all the compatible retail boxes.

The front panel of the drive is colored in ordinary gray with an eject/load button, a busy led indicator which is green at the read process and red at the writing, a headphone jack with a volume control knob and the emergency eject hole.

On the disc loading tray you can see the sticker of the LiteOn website URL placed on the right next to the CD-RW format logo while the DVD+RW format logo is placed on the left side of the tray.

On the rear panel you can see the analog output, the ATAPI interface connector and the power input.

The mainboard of the drive is available in the following picture. You can click on the picture to see it in a higher resolution but please be patient while it is loading.

Click for High Resolution!

- Installation

The LiteOn drive was connected to our test PC and was identified as "LITE-ON DVD+RW LDW-401S" under WinXP. All tests were done with firmware revision ES0G.

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