LG GWA-4040N DVD Writer

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What is the DVD Write speeds? CAV, CLV, PCAV, ZCLV. Read our DVD Writer colum explanation.

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LG GWA-4040N

Slim EIDE, 2MB
More info
$200 5.3/10
3 votes
Read 4


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DVD Media comments for this DVD Writer (click on the link to read the comments):
1 Princo 4xDVD-R (PRINCO......) comments, 1 good, 0 mixed, 0 poor.
1 TDK 8xDVD-R (TTG02.......) comments, 0 good, 0 mixed, 1 poor.
1 Traxdata 8xDVD-R (RITEKG05....) comments, 1 good, 0 mixed, 0 poor.
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4 comments, Showing 1 to 4 comments

So far, I've had no problems whatsoever. Its fast enough for me. I runs up quickly. It records both single and double sided media. It's been awhile since I burned anything, so I can't comment on performance at certain speeds. but as I recall, I was satisfied. My only complaint is with the Manufacturer. I was setting up DivX Player software, and got to the part where they ask you to enter a "Activation ID" for each device that the player is going to use. I was instructed to look in the setup or in the device manual. The drive was OEM with a Gateway M675XL, so there was no manual, or setup. I went to many Hitachi and LG sites, but there was no info to be found. Does anyone know where I can find a Manual for this Model, or at least the "Activation ID".

Comments posted by George J Vermuth from United States, March 04, 2006. Rated this writer 10 of 10.

I have been burning dvds for some time now so relatively know what I am doing.
The LG GWA4040N seems to have trouble burning DVD5 (4.7 gig) disc to the maximum capacity- in other words later chapters on a long film freeze on playback of the burnt disc. Unit seems to ONLY burn at 2X- no 1X option available in Nero 6.
All this in contrast to the Matsushita writer I have on my laptop which burns long films perfectly - at 1X instead of 2X.
I cannot seem to find firmware update for the GWA-4040N which may fix the issue? I am also nervous about updating firmware- I believe you have really got to know what you are doing.

Comments posted by JC from Germany, June 23, 2005. Rated this writer 4 of 10.

Same problem as above. The unit burns the disk fine, but then I can only read it on my Pioneer DVD player (twin pickup reads anything) No good on my Cyberhome or Yamada. What a pain.

Comments posted by Dave Ha from United Kingdom, August 22, 2004. Rated this writer 2 of 10.

Beware dvd's made on this drive are unreadable in some dvd players.A firmware fix is needed for this drive so if you need good compatability steer clear for a while,it seems to be the lower end standalones that have prob's with this drive, cyberhomes, schneider etc.
Of the players that work all seems fine , many different media tried - & + both r & rw no failures just this damn
prob with cheaper standalones.

Comments posted by septic ferret from United Kingdom, May 24, 2004. Rated this writer No rating.

4 comments, Showing 1 to 4 comments

1 DVD Writer hits, Showing 1 to 1 DVD Writers
Column Explanation:

Click on this for more technical information.

New comments= New comments since your last visit.
New Writer = New DVD Writer since your last vist.

Original Equipment Manufacturer.


The manufacturer of the main chipset the DVD writer/recorder is based on.

Write support / Read support
= Works
DVD-R = Is not supported
DVD-R? = Not tested

Single Layer(4.7GB) write speeds
1x (CLV) = about 58 minutes
2x (CLV) = about 29 minutes
2.4x (CLV) = about 24 minutes
4x (CLV) = about 14.5 minutes
6x (CLV/ZCLV) = about 10-12 minutes
8x (PCAV/ZCLV) = about 8-10 minutes
12x (PCAV/ZCLV) = about 6.5-7.5 minutes
16x (CAV/ZCLV) = about 6-7 minutes

Dual/Double Layer(8.5GB) write speeds
1x CLV = about 105 minutes
2.4x CLV = about 44 minutes
4x CLV = about 27 minutes

Single Layer (4.7GB) read speeds
1x read speed is 1.321MB/s = ~56 minutes
6x CAV (avg. ~4x) read speed is max 7.93MB/s = ~14 minutes
8x CAV (avg. ~6x) read speed is max 10.57MB/s = ~10 minutes
12x CAV (avg. ~8x) read speed is max 15.85MB/s = ~7 minutes
16x CAV (avg. ~12x) read speed is max 21.13MB/s = ~5 minutes

DVD Write types
CAV = Constant Angular Velocity, the DVD is written at a constantly increasing speed.
CLV = Constant Linear Velocity, the DVD is written at a constant speed.
ZCLV = Zone Constant Linear Velocity, the DVD is divided into zones. After each zone the write speed is increased.
PCAV = Partial Constant Angular Velocity, the DVD is being written at an increasing speed until a certain speed. After this speed it will not increase anymore.

Desktop = Standalone desktop DVD Recorder
EIDE = Computer DVD Writer with EIDE/IDE connection
SCSI = Computer DVD Writer with SCSI connection
USB = Computer desktop DVD Writer with USB 2.0 or/and 1.1 connection
FireWire = Computer desktop DVD Writer with IEEE 1394/FireWire/i.Link connection (some standalone desktop dvd recorder supports this also but then it is usually to connect your DV camera to the recorder)

The first rating is based on a weighted rank (the true Bayesian), it requires at least 5 votes to get a weighted rating.
The second rating between the ( ) is a normal average rating.

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