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Sony BWU-100A detail information

Posted by agent009
Posted on 26/06/07 06:17
Number of views 20664
Manufacturer Sony
Product Sony BWU-100A
Menu
Features and software

Test machine

We will be using a computer with the following configuration:

Hardware

Controller and optical drives

Sony BWU-100A is connected to the primary channel on the motherboard's ICH7 south bridge parallel ATA port.

It identifies itself as "SONY BDRW BWU-100A."

DMA (Direct Memory Access) is enabled, and connection mode is reported as Ultra DMA Mode 4:


Drive transfer mode

CD-DVD Speed reports burst rate of 41 MB/s, consistent with Ultra DMA Mode 4:


Burst rate

Software

The computer is running Microsoft Windows Vista Ultimate 32-bit (build 6.0.6000).

We will be using the following software:

Installation

Drive installation was uneventful. We set the jumper to "cable select" and let the two drives sharing an ATA cable pick master and slave modes automatically.

Features

Feature summary

Nero InfoTool reports the following configuration and drive features:


Nero InfoTool report

The drive's hardware memory buffer used to ensure uninterrupted recording is 8 MB, four times larger than the 2 MB used in most DVD drives. This amounts to about one second worth of data at 2x BD speed.

Firmware update

Our drive came with firmware revision 1.0c, but we have updated to version 1.0e when it became available:


Firmware flash (1 of 5)


Firmware flash (2 of 5)


Firmware flash (3 of 5)


Firmware flash (4 of 5)


Firmware flash (5 of 5)

Software

Software CD contents

Our drive came with the 'Sony Software Disc for BD (Rev. 7.00W)':


Software CD

The following software is included on the CD:


Software installation

This is a pretty complete set of major CyberLink products updated to support Blu-ray playback and burning.


CyberLink PowerStarter

Sony also provides PowerDVD (Blu-ray and DVD playback software) updates on its website.

Want to submit your own review? Click here
Reactions on this item
"handles all optical media"

except HDDVD perhaps :S
Good point!

Unfortunately, 1x HD-DVD burners are just beginning to appear this summer [in notebooks], so HD-DVD burning has been no more than a theoretical possibility even though HD-DVD-R and -RW media has been out for months.

Toshiba's SD-H903A 1x HD-DVD burner is awfully late for a product launched/unveiled six months ago. They better hurry. You know: train... leaving the station... :)
why even bother, over a year has gone by and blu-ray has been pumping out 2x burners and now 4x, later 6x, and hd-dvd will finally have 1x and barely be able to store 15GB.... why?? 15GB?? come on, seems so last-gen, 50GB's where its at.
Hey Agent009, I like your review. Good to see some opinions here and there about the burns, which I agree with more than I usually do.

Just wondering if that benQ you used for scanning is a rebadged liteon? If it's genuine benQ, I wonder why you didn't use cdspeed for scanning + jitter, it would be nice to see how good the jitter was on some of those discs that had ridiculously low error levels (MCC003 in particular) :)
"Just wondering if that benQ you used for scanning is a rebadged liteon? If it's genuine benQ, I wonder why you didn't use cdspeed for scanning + jitter, it would be nice to see how good the jitter was on some of those discs that had ridiculously low error levels (MCC003 in particular)"

DW1680 is a MediaTek/Lite-On design [otherwise KProbe wouldn't have worked with it], equivalent to LH-16A1P.

We use KProbe for quality testing to keep reviews consistent, but you are right, CD-DVD Speed does provide more quality data.

In BWU-100A DVD+R burns, jitter is pretty low. It usually averages 9% +-0.4% when measured by either BenQ or Lite-On drives.
BD-R discs are 24.2GB unlike BD-RE which are 25GB? Why's that?
"BD-R discs are 24.2GB unlike BD-RE which are 25GB? Why's that?"

I believe this is the way CD-DVD Speed reports capacities.

25,025,xxx,xxx bytes is the so-called 'gross' BD-RE capacity before 12,288 clusters are allocated for the inner spare area (ISA0).

The same number of 64 KB clusters is lost with BD-R as well, but the 24,220,xxx,xxx number reported for BD-R is the 'net' capacity.

In both cases, usable space ends up being the same 24,220,xxx,xxx bytes.
Whoah only 15GB?? - i didn't know that.
Havent payed much attention yet as its still sorta early to consider using anything newer than DVD as a cost effective measure..
But yeah, absolutely too small for next gen, which is sad because I hate sony and everything they are about.

btw nice writeup 009
Hi,

thanks for the review, I appreciate it, I was wondering if anybody here, maybe able to help me with a question, I am thinking of fitting one of these into a custom HTPC case. Is this the same same size dimensions as current DVD drives and also, does the front bezel remove easily as current drives, I need to remove to be able to fit the drive into my custom case, as long as it is standard sizeand the bezel comes off, I will be fine.

thanks for any feedback.
"Is this the same same size dimensions as current DVD drives and also, does the front bezel remove easily as current drives, I need to remove to be able to fit the drive into my custom case, as long as it is standard sizeand the bezel comes off, I will be fine."

Yes, the bezel is removable. It is held in place by plastic tabs, as with any other drive.

BWU-100A is a standard 5.25 inch drive that is 190 mm long. This is longer than usual and about the maximum length that 5.25 inch bays are designed for. It may be a tight fit in very small cases like Shuttle. I don't think you will have trouble fitting it in an HTPC case, but to be sure, measure the length of the drive bay.
I bought an oem bwu-100A on ebay a few months ago for under $500. It can only write BD-R and BD-RW at 1x. Several people in cyberspace mentioned that because of the "write verify" turned on at the hardware level and Nero doesn't have an option to turn it off. Though Imgburn has the option, it doesn't support the INCD UDF format Nero is using. It seems that new drives like that in this review doen't have the problem. I just wish Sony can release a firmware update to solve this problem.
"I bought an oem bwu-100A on ebay a few months ago for under $500. It can only write BD-R and BD-RW at 1x. Several people in cyberspace mentioned that because of the "write verify" turned on at the hardware level and Nero doesn't have an option to turn it off. Though Imgburn has the option, it doesn't support the INCD UDF format Nero is using. It seems that new drives like that in this review doen't have the problem. I just wish Sony can release a firmware update to solve this problem."

...is this true? BD-R at 1x? Is this only on the OEM version? I am also looking at a (retail) version from ebay and wondering if anyone else had same experiences... thx
It seems that there are two different versions on the market. According to the CNET review, "Burning a BD-R with 23GB of mixed data files took 1 hour, 40 minutes, 11 seconds.". NOT 45 minutes in the review here.

http://reviews.cnet.com/dvd-drives/sony-bwu-100a-blu/4505-3212_7-31899197.html
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