hey guys i have an ihas 524b and its been great up until the last week or so where it started playing up, then it somehow managed to brick itself, so i unbricked and reflashed it again, now its being a pain in the ***... im using imgburn and when burning it does everything fine until 50% then the write rate drops until eventually it gives me the error message.... iv tried tinkering with all sorts of settings, it seems a common error but iv not found a definitive answer yet iv tried with opc on and off, with it off it gets to about 46% before it bombs out... the error reads I/O error device 0:0:0 atapi ohas524 B al2a scsistatus 0x02 interpretation check condition CDB: 2a 00 00 20 9D 10 00 00 20 00 interpretation: write (10) - sectors : 2137360 - 2137391 sense area - 71 00 03 00 00 00 00 0A 00 00 00 0C00 00 00 sk interpretation - medium error ASC/ASCQ interpretation : write error ATAPI iHAS524 B AL2A (USB) Current Profile: DVD+R DL Disc Information: Status: Incomplete State of Last Session: Incomplete Erasable: No Sessions: 1 Free Sectors: 2,130,258 Free Space: 4,362,768,384 bytes Free Time: 473:25:33 (MM:SS:FF) Next Writable Address: 2136782 MID: RITEK-S04-66 Supported Write Speeds: 4x, 6x, 8x DVD±R DL Boundary Information: L0 Data Zone Capacity: 2,133,520 Changeable: No Disc Control Blocks Information: ATAPI Physical Format Information (ADIP - L0): Disc ID: RITEK-S04-66 Book Type: DVD+R DL Part Version: 1 Disc Size: 120mm Maximum Read Rate: Not Specified Number of Layers: 2 Track Path: Opposite Track Path (OTP) Linear Density: 0.293 um/bit Track Density: 0.74 um/track First Physical Sector of Data Area: 196,608 Last Physical Sector of Data Area: 16,580,607 Last Physical Sector in Layer 0: 2,330,127 Physical Format Information (ADIP - L1): Disc ID: RITEK-S04-66 Book Type: DVD+R DL Part Version: 1 Disc Size: 120mm Maximum Read Rate: Not Specified Number of Layers: 2 Track Path: Opposite Track Path (OTP) Linear Density: 0.293 um/bit Track Density: 0.74 um/track First Physical Sector of Data Area: 196,608 Last Physical Sector of Data Area: 16,580,607 Last Physical Sector in Layer 0: 2,330,127 Physical Format Information (Last Recorded - L0): Disc ID: RITEK-S04-66 Book Type: DVD+R DL Part Version: 1 Disc Size: 120mm Maximum Read Rate: Not Specified Number of Layers: 2 Track Path: Opposite Track Path (OTP) Linear Density: 0.293 um/bit Track Density: 0.74 um/track First Physical Sector of Data Area: 196,608 Last Physical Sector of Data Area: 16,580,607 Last Physical Sector in Layer 0: 2,330,127 Physical Format Information (Last Recorded - L1): Disc ID: RITEK-S04-66 Book Type: DVD+R DL Part Version: 1 Disc Size: 120mm Maximum Read Rate: Not Specified Number of Layers: 2 Track Path: Opposite Track Path (OTP) Linear Density: 0.293 um/bit Track Density: 0.74 um/track First Physical Sector of Data Area: 196,608 Last Physical Sector of Data Area: 16,580,607 Last Physical Sector in Layer 0: 2,330,127 Performance (Write Speed): Descriptor 1... -> B0: 0x00, B1: 0x00, B2: 0x00, B3: 0x00 -> EL: 4267039 (0x00411C1F) -> RS: 16,620 KB/s (12x) - WS: 5,540 KB/s (4x) Descriptor 2... -> B0: 0x00, B1: 0x00, B2: 0x00, B3: 0x00 -> EL: 4267039 (0x00411C1F) -> RS: 16,620 KB/s (12x) - WS: 8,310 KB/s (6x) Descriptor 3... -> B0: 0x00, B1: 0x00, B2: 0x00, B3: 0x00 -> EL: 4267039 (0x00411C1F) -> RS: 16,620 KB/s (12x) - WS: 11,080 KB/s (8x) UPDATE, this is teh burn log I 23:03:20 ImgBurn Version 2.5.4.0 started! I 23:03:20 Microsoft Windows 7 Home Premium x64 Edition (6.1, Build 7601 : Service Pack 1) I 23:03:20 Total Physical Memory: 8,236,912 KB - Available: 5,776,112 KB W 23:03:20 Duplex Secure's SPTD driver can have a detrimental effect on drive performance. I 23:03:20 Initialising SPTI... I 23:03:20 Searching for SCSI / ATAPI devices... I 23:03:21 -> Drive 1 - Info: PIONEER DVD-RW DVRTD11RS 1.01 (D (ATAPI) I 23:03:21 -> Drive 2 - Info: BYRK H2B0PY7KH6 3.5Z (F (SCSI) I 23:03:21 -> Drive 3 - Info: UFG AJGPUZ4XMBO 1.03 (E (SCSI) I 23:03:21 -> Drive 4 - Info: ATAPI iHAS524 B AL2A (G (USB) I 23:03:21 Found 2 DVD±RW/RAMs and 2 BD-ROM/HD DVD-ROMs! I 23:11:21 Operation Started! I 23:11:21 Source File: C:\Users\andy\Downloads\Dead.Island.Riptide.XBOX360-iMARS\imars-dir-360.dvd I 23:11:21 Source File Sectors: 3,827,488 (MODE1/2048) I 23:11:21 Source File Size: 7,838,695,424 bytes I 23:11:21 Source File Volume Identifier: DVD_ROM I 23:11:21 Source File Volume Set Identifier: d168c000MS UDFBridge I 23:11:21 Source File Application Identifier: CDIMAGE 2.45 (12/06/2000 TM) I 23:11:21 Source File Implementation Identifier: Microsoft CDIMAGE UDF I 23:11:21 Source File File System(s): ISO9660, UDF (1.50) I 23:11:21 Destination Device: [0:0:0] ATAPI iHAS524 B AL2A (G (USB) I 23:11:21 Destination Media Type: DVD+R DL (Disc ID: RITEK-S04-66) (Speeds: 4x, 6x, 8x) I 23:11:21 Destination Media Sectors: 4,267,040 I 23:11:21 Write Mode: DVD I 23:11:21 Write Type: DAO I 23:11:21 Write Speed: 4x I 23:11:21 Link Size: Auto I 23:11:22 Lock Volume: Yes I 23:11:22 Test Mode: No I 23:11:22 OPC: No I 23:11:22 BURN-Proof: Disabled I 23:11:22 Write Speed Successfully Set! - Effective: 5,540 KB/s (4x) I 23:11:22 Book Type Setting: DVD-ROM I 23:11:22 Advanced Settings - Force HT: Yes, Online HT: No, OverSpeed: No, SmartBurn: Yes I 23:11:22 Optimal L0 Data Zone Capacity: 1,913,760 I 23:11:22 Optimal L0 Data Zone Method: Copied From Original Disc I 23:11:51 Set L0 Data Zone Capacity Succeeded! I 23:11:52 Filling Buffer... (512 MB) I 23:12:01 Writing LeadIn... I 23:12:03 Writing Session 1 of 1... (1 Track, LBA: 0 - 3827487) I 23:12:03 Writing Track 1 of 1... (MODE1/2048, LBA: 0 - 3827487) I 23:12:03 Writing Layer 0... (LBA: 0 - 1913759) I 23:23:54 Writing Layer 1... (LBA: 1913760 - 3827487) W 23:26:08 Failed to Write Sectors 1926464 - 1926495 - Reason: Write Error W 23:26:08 Retrying (1 of 20)... W 23:26:11 Retry Failed - Reason: Invalid Address For Write W 23:26:11 Retrying (2 of 20)... W 23:26:11 Retry Failed - Reason: Invalid Address For Write W 23:26:11 Retrying (3 of 20)... W 23:26:11 Retry Failed - Reason: Invalid Address For Write W 23:26:11 Retrying (4 of 20)... W 23:26:11 Retry Failed - Reason: Invalid Address For Write W 23:26:11 Retrying (5 of 20)... W 23:26:11 Retry Failed - Reason: Invalid Address For Write W 23:26:11 Retrying (6 of 20)... W 23:26:11 Retry Failed - Reason: Invalid Address For Write W 23:26:11 Retrying (7 of 20)... W 23:26:11 Retry Failed - Reason: Invalid Address For Write W 23:26:11 Retrying (8 of 20)... W 23:26:11 Retry Failed - Reason: Invalid Address For Write W 23:26:11 Retrying (9 of 20)... W 23:26:11 Retry Failed - Reason: Invalid Address For Write W 23:26:11 Retrying (10 of 20)... W 23:26:11 Retry Failed - Reason: Invalid Address For Write W 23:26:11 Retrying (11 of 20)... W 23:26:11 Retry Failed - Reason: Invalid Address For Write W 23:26:11 Retrying (12 of 20)... W 23:26:11 Retry Failed - Reason: Invalid Address For Write W 23:26:11 Retrying (13 of 20)... W 23:26:11 Retry Failed - Reason: Invalid Address For Write W 23:26:11 Retrying (14 of 20)... W 23:26:11 Retry Failed - Reason: Invalid Address For Write W 23:26:11 Retrying (15 of 20)... W 23:26:11 Retry Failed - Reason: Invalid Address For Write W 23:26:11 Retrying (16 of 20)... W 23:26:11 Retry Failed - Reason: Invalid Address For Write W 23:26:11 Retrying (17 of 20)... W 23:26:11 Retry Failed - Reason: Invalid Address For Write W 23:26:11 Retrying (18 of 20)... W 23:26:11 Retry Failed - Reason: Invalid Address For Write W 23:26:11 Retrying (19 of 20)... W 23:26:11 Retry Failed - Reason: Invalid Address For Write W 23:26:11 Retrying (20 of 20)... W 23:26:11 Retry Failed - Reason: Invalid Address For Write E 23:26:16 Failed to Write Sectors 1926464 - 1926495 - Reason: Write Error E 23:26:16 Next Writable Address: 1925904 I 23:26:17 Synchronising Cache... W 23:26:20 User opted to skip the 'Close Track/Session/Disc' functions. E 23:26:20 Failed to Write Image! I 23:26:20 Exporting Graph Data... I 23:26:20 Graph Data File: C:\Users\andy\AppData\Roaming\ImgBurn\Graph Data Files\ATAPI_iHAS524_B_AL2A_22-APRIL-2013_23-11_RITEK-S04-66_4x.ibg I 23:26:20 Export Successfully Completed! E 23:26:20 Operation Failed! - Duration: 00:14:58 I 23:26:20 Average Write Rate: 4,516 KB/s (3.3x) - Maximum Write Rate: 5,631 KB/s (4.1x)