LITE ON present its new DVD-Burner, the LH-20A1S, supporting the 20X writing speed for DVDs. The new drive offers SATA connection which is the main difference with the LH-20A1H which offer PATA ( Parallel ATA).

Let's move on to the feature list and drive specifications...

- Drive Features ..

• Serial ATA Half-Height internal DVD+R / DVD+RW / DVD-R / DVD-RW / DVD+R9/ DVD-R9 / DVD-RAM / DVD-ROM / CD-R/ CD-RW / CD-ROM combination drive.
• Support Double Layer DVD+/- R9 Recording Function.
• Smart-Write™ - Self-learning technology ensuring best writing quality with all media.
• SMART-BURN avoiding Buffer Under Run error, Automatically adjusting writing strategy & running OPC to provide the best burning quality.
• SMART-X function adjusts CD-DA / VCD / DVD data extraction to a fastest allowable speed according to both data request rate from host and disk quality.
• ABS system reduce vibration and noise during recording and reading.
• Support Fixed Packet, Variable Packet, TAO, SAO, DAO, Random Access time, Incremental, sequential recording, restricted overwrite, Layer Jump recording, Raw Mode Burning & Over-Burn.
• DVD read compliant: DVD single/dual layer (PTP/OTP), DVD-R(3.9GB/4.7GB), DVD-R multi-borders, DVD-RAM, DVD+R, DVD+R multi-sessions, DVD-RW, and DVD+RW.
• CD read compliant: 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.
• Support both 8cm and 12cm disc of CD and DVD family.
• Conform to Orange Book: Part 2 CD-R Volume 1, Part 2 CD-R Volume 2 Multi Speed, Part 3 CD-RW Volume 1 (1x, 2x, and 4x), Part 3 CD-RW Volume2: High Speed, Part 3 CD-RW Volume 3: Ultra Speed. Support Fixed packet, Variable packet, Disc-at-once, Session-at-once and Track-at-once.
• Supported transfer mode: PIO mode 4, DMA mode 2 and Ultra DMA mode 4.

- .. And Specification

DVD Family	Write
	DVD+R	20X maximum by CAV
	DVD-R	20X maximum by CAV
	DVD+R9	8X maximum by Zone CLV
	DVD-R9	8X maximum by Zone CLV
	DVD-RAM	12X maximum by PCAV
	ReWrite
	DVD+RW	8X by Z-CLV
	DVD-RW	6X CLV
	Read	16X maximum by CAV
	Access time	160ms
CD Family	Write
	CD-R	48X by CAV
	ReWrite
	CD-RW	32X maximum by Z-CLV in UltraSpeed disc
	Read	48X(7200KB/sec) maximum by CAV
	Access time	160ms

- Drive Package Information

The retail package includes the LITEON LH-20A1S, and Nero 7 Essentials:

• Nero Express 7 Essentials
• Nero ShowTime 3 Essentials
• Nero Vision 4 Essentials
• Nero Recode 2 Essentials
• InCD 5 Essentials
• Nero PhotoShow Express 4

The drive comes with a black front bezel as well as with two extra ivory bezels to match your PC case.

The heart of the drive is the MediaTek MT1899E.

An inside look...

- Nero Info Tool

- DVD Info

In the following pages, we start with our usual CD and DVD reading and recording tests, and progress to the writing quality tests which include the DaTARIUS measurements.