Sagman gracias por contestar, ahí van las características de mi ordenador:
CPU : AMD Athlon XP 2083 MHz
Motherboard : ASUSTeK A7N8X2.0
Memory : 1024 MB
Sound : NVIDIA(R) nForce(TM) Audio
Video : ATI RADEON 9600 Series
2 HD SATA
BENQ DW1620 y un lector LG en el otro IDE
Ahí va el final de uno de los log del Nero:
19:38:16 #19 Phase 36 File dlgbrnst.cpp, Line 1832
Burn process started at 4x (5.540 KB/s)
19:38:16 #20 Text 0 File ThreadedTransferInterface.cpp, Line 2609
Verifying disc position of item 0 (relocatable, disc pos, no patch infos, orig at #0): write at #0
19:38:16 #21 SCSI -1066 File Cdrdrv.cpp, Line 1181
SCSI Exec, HA 0, TA 0, LUN 0, buffer 0x03815400
Status: 0x04 (0x01, SCSI_ERR)
HA-Status 0x00 (0x00, OK)
TA-Status 0x02 (0x01, SCSI_TASTATUS_CHKCOND)
Sense Key: 0x05 (KEY_ILLEGAL_REQUEST)
Sense Code: 0x24
Sense Qual: 0x00
CDB Data: 0xAD 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x08 0x04 0x00 0x00
Sense Data: 0x70 0x00 0x05 0x00 0x00 0x00 0x00 0x12
0x00 0x00 0x00 0x00 0x24 0x00
19:38:16 #22 CDR -1207 File DVDR.cpp, Line 4772
Book Type automatically set to: Current recorder setting
19:38:16 #23 Text 0 File DVDPlusRW.cpp, Line 638
Start write address at LBA 0
DVD high compatibility mode: Yes
19:48:01 #24 SCSI -1135 File Cdrdrv.cpp, Line 1435
SCSI Exec, HA 0, TA 0, LUN 0, buffer 0x03310000
Status: 0x04 (0x01, SCSI_ERR)
HA-Status 0x00 (0x00, OK)
TA-Status 0x02 (0x01, SCSI_TASTATUS_CHKCOND)
Sense Key: 0x03 (KEY_MEDIUM_ERROR)
Sense Code: 0x0C
Sense Qual: 0x00
CDB Data: 0x2A 0x00 0x00 0x0C 0x02 0x00 0x00 0x00 0x20 0x00 0x00 0x00
Sense Data: 0x71 0x00 0x03 0x00 0x00 0x00 0x00 0x12
0x00 0x00 0x00 0x00 0x0C 0x00
19:48:01 #25 CDR -1135 File Writer.cpp, Line 311
Write error
19:48:01 #26 Text 0 File ThreadedTransfer.cpp, Line 228
all writers idle, stopping conversion
19:48:01 #27 Text 0 File ThreadedTransfer.cpp, Line 222
conversion idle, stopping reader
19:48:37 #28 Text 0 File DVDR.cpp, Line 5586
Drive: BENQ DVD DD DW1620
Book Type request [gen]: DVD+R, write to EEPROM
Changing the Book Type was finished successfully, return code 0
19:48:37 #29 Phase 38 File dlgbrnst.cpp, Line 1832
Burn process failed at 4x (5.540 KB/s)
Existing drivers:
File 'WNASPINT.DLL': Ver=V1.14, size=68608 bytes, created 27/01/2002 0:00:00
File 'Drivers\PXHELP20.SYS': Ver=2.03.01a, size=20368 bytes, created 07/05/2005 15:25:06 (Prassi/Veritas driver for win 2K)
File 'Drivers\atapi.sys': Ver=?.?.?.?, size=95360 bytes, created 04/08/2004 7:59:42 (Adapter driver for rec)
Registry Keys:
HKLM\Software\Microsoft\Windows NT\CurrentVersion\WinLogon\AllocateCDROMs : 0 (Security Option)
Gracias