|
DVD Capabilities
DVD-Video Dual Layer
We tested the drives performance
with a dual layered movie (the movie
title was "Terminator 2
: Ultimate Edition Disk 1"):

The dip in the graph
is due to the layer change delay,
in this case it took 800ms. Overall
the drive performed well in this test
giving an average reading speed of
5.45 X.
Playstation 2
We copied the game
"Tekken 4" using
a DVD+R disk and it booted successfully
on our PAL Playstation 2 (swap trick
aided by Action Replay). It is highly
recommended to use something other
than FAT32† as a file system
for creating large Playstation 2 files.
We also made a DVD+RW backup but it
did not work.
†Note:
FAT formats (FAT12, FAT16, FAT32)
use a 32-bit value for the file size,
this means a maximum file size of
4,294,967,294 bytes -- short of the
4.7GB needed for the imaging of a
full DVD (XP and Windows 2000 use
NTFS which uses a 64-bit value but
only 44-bits are used for the file
size).
X-BOX
Microsoft's X-Box games console is
also capable of reading DVD disks.
The console comes with a Thomson /
Philips DVD-ROM Drive that can read
various media but has been designed
specifically to ignore certain media
types i.e. CD-R media.
The consoles games are stored on
single layered (dual layered is possible
but not used) DVD-ROM disks that have
been written from the outside in -
a scheme once employed by the defunct
Dreamcast console (this is done to
prevent piracy).
With a suitably chipped games console
that allows you to run unsigned .xbe
files (we used a homebrew 29-wire
Xtender 1.1 for our tests), you can
back-up and boot your original games.
Unlike the Playstation, you can not
make 1:1 copies using disk copying
software on the PC, you must transfer
the files from the console first (download
from the net, use an alleged hacked
firmware, transfer to the PC using
an Ethernet or dev kit).
The Philips DVDRW228k can make X-Box
backups on DVD+RW and +R disks. Both
disk types were recognised and booted
- the X-Box favoured the +R disks
more due to the better reflectivity,
but you must eject and re-insert the
+RW disks up to 5 times to get the
console to recognise them. We successfully
backed up the following games: Halo,
Dead Or Alive 3 & RalliSport.
The disks must be mastered with Record
Now Max (not NERO) as it supports
the required UDF bridge format for
the X-Box.
DVD Writing Performance
To test the drive's writing performance
we used Nero 5.5.9.0 and wrote 4469MB
of data to the disk and timed it.

Note: You can only write to DVD+RW
and DVD+R disks at one speed (2.4)
and if you try to select a slower
speed (such as x1) it still writes
at 2.4 x speed.


What struck us about
this drive is how fast it was when
it came to writing to DVD+RWs, it
completed the task in 23mins and 19
seconds. The speed increase is huge
and the drive had no problems burning
at this speed. (Once you have had
a taste of writing rewriteable DVD's
at 2.4 x speed you will not want to
go back to writing at x1!)
Compatibility Test
Compatibility is one area that has
been much debated between two recordable
formats ("minus" and "plus")
below we will also start a table showing
which PC DVD-ROM drives can read which
type of disk and hope to expand it
when we test other drives. This table
is not done from user contributions.
PC
DVD-ROM RECORDABLE FORMATS COMPARISON |
Drive
Tested |
-R |
+R |
-RW |
+RW |
Toshiba
SDM-1612 |
YES |
YES |
YES |
YES‡ |
Pioneer
116 |
YES |
YES |
YES |
NO |
PSX2 |
YES |
YES |
NO |
NO |
X-BOX |
YES |
YES |
YES |
YES |
Philips
DVDRW228k |
YES |
YES |
YES |
YES |
‡Only with the latest firmware
upgrade (version 1806 or later).
Although the table is in its inaugural
stage, we can see (even with some
set top DVD-Video players not listed)
that the DVD-R/RW format has better
compatability. The DVD "minus"
camp also has an ace up their sleeve
with the DVD-Authoring disks which
can copy protected DVD movies 1:1
but it is very expensive and for this
reason not included in our test.
 Page
6 - Last Updated: 25 July 2002
|