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Plextor 708A Review
DVD Capabilities P1
DVD Read Performance
For our read tests we tried various
flavours of DVD recordable media,
which included: DVD-R, DVD-RW, DVD+RW,
DVD+R, DVD-RAM and a pressed DVD-ROM
disk.
DVD-R Read Test
Firstly we checked its performance
with a DVD-R disk using Nero
CD Speed (DVD Speed incorporated):

The 708A showed a
good result in this test and averaged
5.93 X throughout the disk
and peaked at 7.94 X
towards the end. Although the specs
state that it can read DVD-ROMs at
12 speed, that is only for pressed
DVD-ROMs. The seek times are very
low (which is a good thing).
DVD-RW Read Test

The 708A's reading of DVD-RW was
good. Above you can see it averaged
6.10X and managed
to peak to 8.15 towards
the end of the disk beating its "-R"
read result.
DVD-ROM Single Layer Read Test

The 708A performs well and within
specification by averaging
9.04 speed, as you can see
above the drive managed to achieve
its stated 12 speed
towards the end of the disk. It uses
CAV mode to read
DVD-ROMs.
DVD+RW Read Test

It averaged 6.08 X speed
and reached 8.12
x towards the end of our
Verbatim DVD+RW test disk.
DVD+R Read Test

The 708A managed an average of 6.07
X speed with our "+R" disk
using CAV. The Plextor reads DVD recordable
media at 8 speed CAV
and the tests above show this.
ERROR CORRECTION - SCRATCHED DVDS
[ This test is new and is added
much later than when this review
was originally released. ]
Noone manages to
keep CD/DVDs in pristine condition
so in this test we compared how the
Plextor copes with scratches and
unreadable data. Different drives
handle scratched / unreadable DVDs
differently - some can take hours
to read in data, whilst others have
inferior error correction abilities
and can only read limited data from
the disk. Toshiba DVD-ROMs from Japan
(not the new Samsung made
ones) were regarded as good fast
readers.
For this test we
used a disk with 3 scratches,
ink, finger prints, dust on a Ritek
disk and we used Nero CD-DVD speed
disk's scan disk function
under "surface scan" mode
to find out how much was unreadable.

Plextor
708A
Good: 89.54 %
Damaged: 0.00 %
Unreadable: 10.46 %
The Plextor didn't
fair too well in this test, it took
over 2 hours to read our DVD and
constantly slowed down to read the
disk. The final unreadable count
was 10.46% (lower
is better).
DVD-RAM Caddy-less Reading
We checked how it behaved with a
DVD-RAM disk out of its caddy (the
Toshiba SDM-1612 DVD-ROM can read
DVD-RAM disks like this). The 708A
can not recognise DVD-RAM disks (very
few drives can).
DVD CSS Video Ripping
Next we examined the speed at which
the drive could rip movies with the
content scrambling system (CSS).
The Plextor 708A drive has two modes
for DVD Ripping: playback & full
speed. If the drive is using playback
mode then your movies will only rip
at 2 X speed:


To enable the drive to rip CSS protected
movies at full speed make sure that
the drive is empty and the tray is
closed. Then press AND hold the drive's
eject button until you see the LED
flash green (about 5 seconds). When
you release the eject button the tray
will open - the next
disk you place will be ripped at full
speed (it will reset back to playback
mode when you press the eject button
or lose power).

I 15:38:03 Found 1 DVD RW!
I 15:38:18 Operation Started!
I 15:38:18 Source Device: [1:0:0]
PLEXTOR DVDR PX-708A 1.03 (D:)
I 15:38:18 Destination Folder: C:\ULTIMATE_T2\VIDEO_TS\
I 15:38:18 Detect Mastering Errors:
No
I 15:38:18 Fast Error Skip: No
I 15:38:18 File Splitting: By File
I 15:38:18 Multi Angle Processing:
No
I 15:38:18 Remove Macrovision Protection:
Yes
I 15:38:18 Stream Processing: No
I 15:55:57 Operation Successfully
Completed! - Duration: 00:17:38
I 15:55:57 Average Read Rate: 7,654
KB/s (5.5x) - Maximum Read Rate:
11,087 KB/s (8.0x)
Panasonic LF-D311 Average Rip Speed:
5.8 x
Philips DVDRW228k Average Rip Speed:
2.2 x
Pioneer DVR-A04 Average Rip Speed:
1.9 x
Pioneer DVR-A05 Average Rip Speed:
1.8 x
Plextor 708A Average Rip Speed: 5.5
x
The Plextor 708A is very good at
ripping DVD movies (much better than
Pioneer drives) and managed an average
of 5.5 X speed when unlocked.
 Page
5 - Last Updated: 31 December
2004
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