1.8”HDD Enclosure

PD-1802

This document presents the engineering specifications of DVD-Dual “DS-8A2S”, a slim type
DVDRW drive. It featuring high speed, power-saving and slim size, is built specifically for
notebook computer. The unit measures 12.7 by 128 by 126.1mm and weights below 190g.
DS-8A2S is a versatile optical disk drive. For CD write function, it is capable to write data,
which conform to Orange Book: Part 2 CD-R Volume 1 / Part 2 CD-R Volume 2 Multi Speed
/ Part 3 CD-RW Volume 1 (known as Low Speed) / Part 3 CD-RW Volume2: High Speed
/ Part3 CD-RW Volume 3: Ultra Speed, into CD-R/RW disk in combination with write
application software. For DVD write function, this drive confirms to DVD+R Version 1.2 and
DVD+RW Version 1.3 / DVD+R DL Version 1.0 /DVD-R Version 2.0 / DVD-RW Version 1.2
/DVD-R DL Version 3.0. For read function, it is capable to read all of the following media:
DVD single/dual layer (PTP, OTP), DVD-R single/dual layer, DVD+R single/double layer,
DVD-RW, DVD+RW. Besides, it reads all of CD formats and media: CD-DA, CD-ROM,
CD-ROM/XA, Photo-CD, Multi-session, Video CD, CD-I FMV, CD Extra, CD Plus, CD-R, and
CD-RW.
The drive supports a DVD-ROM data transfer rate of 8X in the outer track, 3.3X in the inner
track, and achieves 6X speed in average for a 12cm (4.7Gbyte, single layer) disc. For CD-ROM
data transfer rate, it supports 24X in the outer track, 10.5X in the inner track, and achieves 19X
speed in average for a 74 min disc. Besides, SMART-X function smartly adjusts CD-DA /
VCD / DVD data extraction to a fastest allowable speed according to both data request rate from
host and disk quality. Regarding to CD write speed, it supports CD-R 24X writing, CD-RW 24X
re-writing, DVD+R 8X writing / DVD+RW 8X re-writing / DVD+R DL 6X writing / DVD-R
8X writing / DVD-RW 6X re-writing / DVD-R DL 6X writing and DVD-RAM 5X writing. For
writing/ rewriting, SMART-BURN® function can avoid buffer under run as well as get the
best writing quality by smartly adjusting writing strategy.
DS-8A2S is a multi-function drive with power saving, slim size and ultra light weight that it
meets notebook computer as well as all kinds of compact or external applications.

5X Speed DVD-RAM Writing 
8X Speed DVD-R Writing 
6X Speed DVD-R(DL) Writing 
6X Speed DVD-RW Writing 
8X Speed +R 4.7GB Writing 
6X Speed +R (DL) Writing 
8X Speed +RW 4.7GB Writing 
24X Speed CD-R Writing 
24X Speed CD-RW Writing 
24X Speed CD-ROM Reading 
8X Speed DVD-ROM Reading 
Buffer Under Run Protection
DVD MULTI Read/Write support
DMA66 support

PLDS-DS-8A2S  
Loading Type   Loading Type 12.7mm Height Tray Loading  
Data Capacity   4.7Gbytes / 8.5Gbytes(DL) 
Interface   ATAPI / Ultra DMA Mode4 
Buffer Memory   2Mbytes 
Error Rate   Less than 10^9 
Error Rate   Less than 10^12  
Power Requirements (Voltage)   DC +5V ±0.25V 
Temperature (Center of Top Cover)
( Operating )
5°C ~ 50°C 
Temperature (Center of Top Cover)
( Non-Operating)
 
-30°C ~ 65°C 
Relative Humidity
( Operating)  
5% ~ 90% (Non-condensing) 
Relative Humidity
(Non-Operating)  
5% ~ 95% (Non-condensing) 
Mounting Orientation   Mounting Orientation Horizontal or Vertical  
Dimensions   128.0(W) × 12.7(H) × 129.0(D) mm (Depth dimension includes Bezel)