hi lightning uk, thanks for the response, heres the log
I 11:47:11 ImgBurn Version 2.5.8.0 started!
I 11:47:11 Microsoft Windows 7 Home Premium x64 Edition (6.1, Build 7601 : Service Pack 1)
I 11:47:11 Total Physical Memory: 8,379,080 KiB - Available: 2,554,740 KiB
I 11:47:11 Initialising SPTI...
I 11:47:11 Searching for SCSI / ATAPI devices...
I 11:47:11 -> Drive 1 - Info: ATAPI iHBS312 2 PL15 (E:) (RAID)
I 11:47:11 -> Drive 2 - Info: SAMSUNG DVDWBD SH-B083A SB00 (D:) (RAID)
I 11:47:11 Found 1 BD-ROM/DVD±RW and 1 BD-RE!
I 11:48:55 Device: [1:4:0] ATAPI iHBS312 2 PL15 (E:) (RAID)
I 11:48:55 Family Tree:
I 11:48:55 -> ACPI x64-based PC
I 11:48:55 -> Microsoft ACPI-Compliant System
I 11:48:55 -> AMD PCI Express (3GIO) Filter Driver
I 11:48:55 -> AMD AHCI Compatible RAID Controller (VEN_1002&DEV_4393 - ATI - ahcix64s)
I 11:48:55 -> CD-ROM Drive (ATAPI iHBS312 2 SCSI CdRom Device) (Bus Number 0, Target Id 4, LUN 0)
i also tried a burn with some cheap xcopy bd25's and that worked ok, so hopefully the liteon drive is ok dbminter?