Imgburn, being the ever-so-honest software, asks the burner to reserve a track of a size greater than allowed up-front pre-burn, and the burner denies this request thus making overburning impossible through this route. Your name or email address: On a simulated overburn, the BenQ DW was able to register a maximum capacity of 99 minutes 56 seconds and 41 frames. The quality scan features reported PIFs as sum8-values rather than sum1, thus could not be directly compared with the LiteOn or ECMA standard guidelines, although different drives did always vary with their opinions of the quality of discs. These are from my friend who built my PC.

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More importantly, what size is the ISO? Your name or email address: Join the community here. The disc quality is not too bad according to the DW — a bit poor on the inside ring, but otherwise quite decent.

I currently have a 32 bit. Add your comment to this article You need to be a member to leave a dr. The added firmware modification support is a big bonus as well. Yes, my password is: This has been met for all discs.

This entry was posted in Computing and tagged computer hardwarecomputer storageoptical discoptical discs. Ask a question and give support.

Tech Flashback: BenQ DW1640 DVD±RW Drive Specialties

However, this ability began cropping up on drives as part of less-well-documented firmware features that exist with drives of specific chipsets. The BenQ, however, has always been a reliable writer of these types of marginal discs and has been quite a good reader as well in handling such odd media. There were other drives, including some combo drives and readers which had scanning ability. The description of the optical drive from Speccy can be found in the attachment.


It was an unexpected xvd, as contemporary drives in that era would often have problems maintaining high read speeds as they struggled to cope with the marginal disc that dgd just out fd spec.

Another frequent cause of issues is the lead-in of the disc uses the same addresses as used by the recorded data. Join thousands of tech enthusiasts and participate.

Tech Flashback: BenQ DW DVD±RW Drive Specialties | Gough’s Tech Zone

To that end, normally such information can only be garnered through the use of expensive disc analyzers such as CATS. TechSpot Account Sign up for freeit takes 30 seconds. Already have an account?

I’ve only seen 4. Do you already have an account? Sense key not important: In the below set of four images, I scanned four different types of blank CD-R one of the Plasmon discs is a mis-identified Ritek recorded by a slimline DVD recorder at 24x. Worse still, the drive also ignores our request for 4x write speed. To do such quality scans requires third-party software. I was intrigued by it, hence my posting about it.


Such long simulated capacities are nice, but can it actually be achieved? TechSpot is brnq to computer enthusiasts and power users. Not all drives were capable of handling this properly, and while the 90 minute blanks were generally quite compatible, the 99 minute ones almost always caused problems.

Burning Windows 7 64-bit ISO using Benq DVD DD DW1640 ATA device

It does go without saying that in this case, being able to overburn this much also means handling overburning of regular 80 minute CD-Rs quite well. Might this be a firmware bug related to the way the drives support dual-layer discs?

Which looks like your drive will support also. However, simulating such a burn on the BenQ DW resulted in a true simulation no burn to disc and a value which suggested overburning was indeed possible. Click for more about me! These are from my friend who built my PC.

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