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slow write speed plextor PX-B900A


DDX

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tried to write a bd-re disc, but it i only get max 1.1speed ? :

 

I 13:50:42 ImgBurn Version 2.3.2.0 started!

I 13:50:42 Microsoft Windows XP Professional (5.1, Build 2600 : Service Pack 2)

I 13:50:42 Total Physical Memory: 2.096.124 KB - Available: 1.483.028 KB

I 13:50:42 Initialising SPTI...

I 13:50:42 Searching for SCSI / ATAPI devices...

I 13:50:42 Found 1 DVD±RW and 1 BD-RE!

I 13:51:00 Operation Started!

I 13:51:00 Building Image Tree...

I 13:51:01 Checking Directory Depth...

I 13:51:01 Calculating Totals...

I 13:51:01 Preparing Image...

I 13:51:01 Checking Path Length...

I 13:51:01 Image Size: 2.933.129.216 bytes

I 13:51:01 Image Sectors: 1.432.192

I 13:51:03 Operation Successfully Completed! - Duration: 00:00:03

I 13:51:03 Operation Started!

I 13:51:03 Source File: -==/\/[bUILD IMAGE]\/\==-

I 13:51:03 Source File Sectors: 1.432.192 (MODE1/2048)

I 13:51:03 Source File Size: 2.933.129.216 bytes

I 13:51:03 Source File Volume Identifier: temp

I 13:51:03 Source File Application Identifier: IMGBURN V2.3.2.0 - THE ULTIMATE IMAGE BURNER!

I 13:51:03 Source File Implementation Identifier: ImgBurn

I 13:51:03 Source File File System(s): ISO9660; UDF (1.02)

I 13:51:03 Destination Device: [2:0:0] PLEXTOR BD-R PX-B900A 1.01 (E:) (ATA)

I 13:51:03 Destination Media Type: BD-RE (Disc ID: SONY-ES1-01) (Speeds: 2x)

I 13:51:03 Destination Media Sectors: 11.826.176

I 13:51:03 Write Mode: BD

I 13:51:03 Write Type: DAO

I 13:51:03 Write Speed: MAX

I 13:51:03 Link Size: Auto

I 13:51:03 Test Mode: No

I 13:51:03 BURN-Proof: Enabled

I 13:51:04 Filling Buffer... (40 MB)

I 13:51:05 Writing LeadIn...

I 13:51:06 Writing Image... (LBA: 0 - 1432191)

I 14:03:00 Synchronising Cache...

I 14:03:01 Image MD5: 7536466d18340a246027098101a58e09

I 14:03:01 Operation Successfully Completed! - Duration: 00:11:57

I 14:03:01 Average Write Rate: 4.011 KB/s (0.9x) - Maximum Write Rate: 5.144 KB/s (1.1x)

I 14:03:01 Cycling Tray before Verify...

W 14:03:08 Waiting for device to become ready...

I 14:03:20 Device Ready!

I 14:03:20 Operation Started!

I 14:03:20 Source Device: [2:0:0] PLEXTOR BD-R PX-B900A 1.01 (E:) (ATA)

I 14:03:20 Source Media Type: BD-RE (Disc ID: SONY-ES1-01) (Speeds: 2x)

I 14:03:20 Image File: -==/\/[bUILD IMAGE]\/\==-

I 14:03:20 Image File Sectors: 1.432.192 (MODE1/2048)

I 14:03:20 Image File Size: 2.933.129.216 bytes

I 14:03:20 Image File Volume Identifier: temp

I 14:03:20 Image File Application Identifier: IMGBURN V2.3.2.0 - THE ULTIMATE IMAGE BURNER!

I 14:03:20 Image File Implementation Identifier: ImgBurn

I 14:03:20 Image File File System(s): ISO9660; UDF (1.02)

I 14:03:20 Verifying Sectors... (LBA: 0 - 1432191)

I 14:08:45 Device MD5: 7536466d18340a246027098101a58e09

I 14:08:45 Image MD5: 7536466d18340a246027098101a58e09

I 14:08:45 Operation Successfully Completed! - Duration: 00:05:25

I 14:08:45 Average Verify Rate: 8.813 KB/s (2.0x) - Maximum Verify Rate: 10.314 KB/s (2.3x)

I 14:17:49 Operation Started!

I 14:17:49 Building Image Tree...

I 14:17:51 Checking Directory Depth...

I 14:17:51 Calculating Totals...

I 14:17:51 Preparing Image...

I 14:17:51 Checking Path Length...

I 14:17:51 Image Size: 2.933.129.216 bytes

I 14:17:51 Image Sectors: 1.432.192

I 14:17:52 Operation Successfully Completed! - Duration: 00:00:02

I 14:17:52 Operation Started!

I 14:17:52 Source File: -==/\/[bUILD IMAGE]\/\==-

I 14:17:52 Source File Sectors: 1.432.192 (MODE1/2048)

I 14:17:52 Source File Size: 2.933.129.216 bytes

I 14:17:52 Source File Volume Identifier: pedge

I 14:17:52 Source File Application Identifier: IMGBURN V2.3.2.0 - THE ULTIMATE IMAGE BURNER!

I 14:17:52 Source File Implementation Identifier: ImgBurn

I 14:17:52 Source File File System(s): ISO9660; UDF (1.02)

I 14:17:52 Destination Device: [2:0:0] PLEXTOR BD-R PX-B900A 1.01 (E:) (ATA)

I 14:17:52 Destination Media Type: BD-RE (Disc ID: SONY-ES1-01) (Speeds: 2x)

I 14:17:52 Destination Media Sectors: 11.826.176

I 14:17:52 Write Mode: BD

I 14:17:52 Write Type: DAO

I 14:17:52 Write Speed: MAX

I 14:17:52 Link Size: Auto

I 14:17:52 Test Mode: No

I 14:17:52 BURN-Proof: Enabled

I 14:17:53 Filling Buffer... (40 MB)

I 14:17:57 Writing LeadIn...

I 14:17:59 Writing Image... (LBA: 0 - 1432191)

I 14:29:54 Synchronising Cache...

I 14:29:55 Image MD5: 4488598ce364569bbbfc14096bd3afdb

I 14:29:55 Operation Successfully Completed! - Duration: 00:12:03

I 14:29:55 Average Write Rate: 4.006 KB/s (0.9x) - Maximum Write Rate: 4.909 KB/s (1.1x)

I 14:29:55 Cycling Tray before Verify...

W 14:30:02 Waiting for device to become ready...

I 14:30:14 Device Ready!

I 14:30:14 Operation Started!

I 14:30:14 Source Device: [2:0:0] PLEXTOR BD-R PX-B900A 1.01 (E:) (ATA)

I 14:30:14 Source Media Type: BD-RE (Disc ID: SONY-ES1-01) (Speeds: 2x)

I 14:30:14 Image File: -==/\/[bUILD IMAGE]\/\==-

I 14:30:14 Image File Sectors: 1.432.192 (MODE1/2048)

I 14:30:14 Image File Size: 2.933.129.216 bytes

I 14:30:14 Image File Volume Identifier: pedge

I 14:30:14 Image File Application Identifier: IMGBURN V2.3.2.0 - THE ULTIMATE IMAGE BURNER!

I 14:30:14 Image File Implementation Identifier: ImgBurn

I 14:30:14 Image File File System(s): ISO9660; UDF (1.02)

I 14:30:14 Verifying Sectors... (LBA: 0 - 1432191)

I 14:35:41 Device MD5: 4488598ce364569bbbfc14096bd3afdb

I 14:35:41 Image MD5: 4488598ce364569bbbfc14096bd3afdb

I 14:35:41 Operation Successfully Completed! - Duration: 00:05:26

I 14:35:41 Average Verify Rate: 8.786 KB/s (2.0x) - Maximum Verify Rate: 9.084 KB/s (2.0x)

I 14:45:51 Operation Started!

I 14:45:51 Building Image Tree...

I 14:45:52 Checking Directory Depth...

I 14:45:52 Calculating Totals...

I 14:45:52 Preparing Image...

I 14:45:52 Checking Path Length...

I 14:45:52 Image Size: 2.933.129.216 bytes

I 14:45:52 Image Sectors: 1.432.192

I 14:45:54 Operation Successfully Completed! - Duration: 00:00:02

I 14:45:54 Operation Started!

I 14:45:54 Source File: -==/\/[bUILD IMAGE]\/\==-

I 14:45:54 Source File Sectors: 1.432.192 (MODE1/2048)

I 14:45:54 Source File Size: 2.933.129.216 bytes

I 14:45:54 Source File Volume Identifier: temp

I 14:45:54 Source File Application Identifier: IMGBURN V2.3.2.0 - THE ULTIMATE IMAGE BURNER!

I 14:45:54 Source File Implementation Identifier: ImgBurn

I 14:45:54 Source File File System(s): ISO9660; UDF (1.02)

I 14:45:54 Destination Device: [2:0:0] PLEXTOR BD-R PX-B900A 1.01 (E:) (ATA)

I 14:45:54 Destination Media Type: BD-RE (Disc ID: SONY-ES1-01) (Speeds: 2x)

I 14:45:54 Destination Media Sectors: 11.826.176

I 14:45:54 Write Mode: BD

I 14:45:54 Write Type: DAO

I 14:45:54 Write Speed: MAX

I 14:45:54 Link Size: Auto

I 14:45:54 Test Mode: No

I 14:45:54 BURN-Proof: Enabled

I 14:45:54 Filling Buffer... (40 MB)

I 14:45:55 Writing LeadIn...

I 14:45:57 Writing Image... (LBA: 0 - 1432191)

I 14:57:52 Synchronising Cache...

I 14:57:53 Image MD5: 2eb2c0e0b270a58253aa7b812a4d9d3b

I 14:57:53 Operation Successfully Completed! - Duration: 00:11:59

I 14:57:53 Average Write Rate: 4.011 KB/s (0.9x) - Maximum Write Rate: 5.012 KB/s (1.1x)

I 14:57:53 Cycling Tray before Verify...

W 14:57:59 Waiting for device to become ready...

I 14:58:12 Device Ready!

I 14:58:12 Operation Started!

I 14:58:12 Source Device: [2:0:0] PLEXTOR BD-R PX-B900A 1.01 (E:) (ATA)

I 14:58:12 Source Media Type: BD-RE (Disc ID: SONY-ES1-01) (Speeds: 2x)

I 14:58:12 Image File: -==/\/[bUILD IMAGE]\/\==-

I 14:58:12 Image File Sectors: 1.432.192 (MODE1/2048)

I 14:58:12 Image File Size: 2.933.129.216 bytes

I 14:58:12 Image File Volume Identifier: temp

I 14:58:12 Image File Application Identifier: IMGBURN V2.3.2.0 - THE ULTIMATE IMAGE BURNER!

I 14:58:12 Image File Implementation Identifier: ImgBurn

I 14:58:12 Image File File System(s): ISO9660; UDF (1.02)

I 14:58:12 Verifying Sectors... (LBA: 0 - 1432191)

I 15:03:38 Device MD5: 2eb2c0e0b270a58253aa7b812a4d9d3b

I 15:03:38 Image MD5: 2eb2c0e0b270a58253aa7b812a4d9d3b

I 15:03:38 Operation Successfully Completed! - Duration: 00:05:25

I 15:03:38 Average Verify Rate: 8.813 KB/s (2.0x) - Maximum Verify Rate: 10.340 KB/s (2.3x)

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DDX;

 

Hi and welcome.

 

While the Blue Ray disc is seen as a 2x disc by the burner I can't seem to find anything about your mid on the web. 2X is the max it will write but the laws of physics explain to us that max speed isn't reached until the later sections of the disc. You're burning what...3 gigs onto a 35 - 50 gig disc?..it's never going to get to top speed at that rate. I see that you're reading at a greater speed, but reading doesn't entail the work that burning does.

 

Maybe someone else has a different explanation, but I gave it my best shot since I do not have a BD burner, player or disc... >_<

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thnx, the FastWrite option fixed the problem

 

For DVD-RAM, fastwrite kinda disables the DVDRAM standard 'Write + Verify' technique so that it just performs the 'Write' part. That speeds up the burn process. Some dvdram burner or ok with that, others may produce sub-standard discs. Using the programs builtin verify feature is a VERY good idea if FastWrite is enabled - at least until your know your drive can burn properly.

 

but why is it only writing at 1.1speed if i disable the fastwrite option ?

(Nero also burns max 1.1speed and doesn't have a fastwrite option)

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from what I googled those disks have a builtin dvd-ram functionality, mounting as a volume supported in vista

 

the native(not imgburn) verify part that going on with fast write disabled is reading everything that's written and doing error checking as it's burned

 

that's why it's burning at half speed

 

so in effect you have been verifying twice on each burn

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