Here is the log from a build:
I 14:03:27 ImgBurn Version 2.5.1.0 started!
I 14:03:27 Microsoft Windows 7 Ultimate Edition (6.1, Build 7600)
I 14:03:27 Total Physical Memory: 2,882,088 KB - Available: 1,950,184 KB
W 14:03:27 Duplex Secure's SPTD driver can have a detrimental effect on drive performance.
I 14:03:27 Initialising SPTI...
I 14:03:27 Searching for SCSI / ATAPI devices...
I 14:03:27 -> Drive 1 - Info: HL-DT-ST BDDVDRW GGC-H20L 1.03 (H:) (ATA)
I 14:03:27 -> Drive 2 - Info: VOV VOLIVOT6 1.03 (K:) (SCSI)
I 14:03:27 -> Drive 3 - Info: VOV VOLIVOT6 1.03 (L:) (SCSI)
I 14:03:27 Found 2 BD-ROM/HD DVD-ROMs and 1 BD-ROM/HD DVD-ROM/DVD±RW!
I 14:05:15 Operation Started!
I 14:05:15 Building Image Tree...
I 14:05:15 Calculating Totals...
I 14:05:15 Preparing Image...
I 14:05:15 Contents: 9 Files, 14 Folders
I 14:05:15 Content Type: BD Video
I 14:05:15 Data Type: MODE1/2048
I 14:05:15 File System(s): UDF (2.50)
I 14:05:15 Volume Label: BATTLESTAR_GALACTICA_S02E06
I 14:05:15 Size: 7,938,118,116 bytes
I 14:05:15 Sectors: 3,876,040
I 14:05:15 Image Size: 7,939,162,112 bytes
I 14:05:15 Image Sectors: 3,876,544
I 14:06:04 Operation Successfully Completed! - Duration: 00:00:49
I 14:06:04 Operation Started!
I 14:06:04 Image Contents: 9 Files, 14 Folders
I 14:06:04 Image Sectors: 3,876,544 (MODE1/2048)
I 14:06:04 Image Size: 7,939,162,112 bytes
I 14:06:04 Image Volume Identifier: BATTLESTAR_GALACTICA_S02E06
I 14:06:04 Image Volume Set Identifier: 3D1470A7003B2648
I 14:06:04 Image Application Identifier: ImgBurn v2.5.1.0
I 14:06:04 Image Implementation Identifier: ImgBurn
I 14:06:04 Image File System(s): UDF (2.50)
I 14:06:04 Destination File: G:\Battlestar Galactica\BATTLESTAR_GALACTICA_S02E06.ISO
I 14:06:04 Destination Free Space: 1,127,514,591,232 Bytes (1,101,088,468 KB) (1,075,281 MB) (1,050 GB)
I 14:06:04 Destination File System: NTFS
I 14:06:04 File Splitting: Auto
I 14:06:04 Writing Image...
I 14:07:48 Operation Successfully Completed! - Duration: 00:01:43
I 14:07:48 Average Write Rate: 75,272 KB/s (16.7x) - Maximum Write Rate: 84,491 KB/s (18.8x)