Problema con grabadora

Hola,
Tengo una grabadora interna Sony RW AW G170A,hasta ahora me gravaba correctamente no tiene mucho uso,pero antes de ayer compre un paquete de DVD-R y e intentado gravar con ellos.....esto es lo que me pone Nero(en principio segun mi pc deveria grabar tanto en +R como en -R):


Windows XP 5.1
IA32
WinAspi: -
ahead WinASPI: File 'C:\Archivos de programa\Nero\Nero 7\Core\Wnaspi32.dll': Ver=2.0.1.74, size=164112 bytes, created 02/11/2004 11:54:32

NT-SPTI used
Nero Version: 7.0.8.2
Internal Version: 7, 0, 8, 2
(Nero Express)
Recorder: <SONY DVD RW AW-G170A> Version: 1.71 - HA 1 TA 0 - 7.0.8.2
Adapter driver: <IDE> HA 1
Drive buffer : 2048kB
Bus Type : via Inquiry data (1) -> ATAPI, detected: ?
Connected to MMC as unknown drive with class-nr : 1
Drive is autodetected - recorder class: Std. MMC recorder
CD-ROM: <SONY DVD RW AW-G170A >Version: 1.71 - HA 1 TA 0 - 7.0.8.2
Adapter driver: <IDE> HA 1

=== Scsi-Device-Map ===
DiskPeripheral : WDC WD800BB-60JKC0 atapi Port 0 ID 0 DMA: On
CdRomPeripheral : SONY DVD RW AW-G170A atapi Port 1 ID 0 DMA: On

=== CDRom-Device-Map ===
SONY DVD RW AW-G170A E: CDRom0
=======================

AutoRun : 1
Excluded drive IDs:
WriteBufferSize: 83886080 (0) Byte
BUFE : 0
Physical memory : 1022MB (1046960kB)
Free physical memory: 245MB (251248kB)
Memory in use : 76 %
Uncached PFiles: 0x0
Use Inquiry : 1
Global Bus Type: default (0)
Check supported media : Disabled (0)

10.1.2009
Compilación ISO
15:41:45 #1 Text 0 File Isodoc.cpp, Line 6423
Iso document burn settings
------------------------------------------
Determine maximum speed : TRUE
Simulate : FALSE
Write : TRUE
Finalize CD : FALSE
Multisession : TRUE
Multisession type: : Start multisession
Burning mode : DAO
Mode : 1
ISO Level : 1 (Max. of 11 = 8 + 3 char)
Character set : ISO 9660
Joliet : TRUE
Allow pathdepth more than 8 directories : TRUE
Allow more than 255 characters in path : TRUE
Write ISO9660 ;1 file extensions : TRUE

15:41:45 #2 Text 0 File ThreadedTransfer.cpp, Line 531
ReadBuffer-Pipe got 262144KB of Memory

15:41:45 #3 Text 0 File Reader.cpp, Line 124
Reader running

15:41:45 #4 Text 0 File Writer.cpp, Line 113
Writer E: SONY DVD RW AW-G170A running

15:41:45 #5 ISO9660GEN -11 File Geniso.cpp, Line 3312
First writeable address = 0 (0x00000000)

15:41:45 #6 Text 0 File Burncd.cpp, Line 3353
Turn on Disc-At-Once, using DVD media

15:41:45 #7 Text 0 File DlgWaitCD.cpp, Line 289
Last possible write address on media: 2298495 (510:46.45, 4489MB)
Last address to be written: 2205807 (490:10.57, 4308MB)

15:41:45 #8 Text 0 File DlgWaitCD.cpp, Line 301
Write in overburning mode: NO (enabled: CD)

15:41:45 #9 Text 0 File DlgWaitCD.cpp, Line 2715
Recorder: SONY DVD RW AW-G170A, Media type: DVD-R
Disc Manufacturer: MCC 03 - RG20
Disc Application Code: 64, Disc Physical Code: 193

15:41:45 #10 Text 0 File DlgWaitCD.cpp, Line 473
>>> Protocol of DlgWaitCD activities: <<<
=========================================

15:41:45 #11 Text 0 File ThreadedTransferInterface.cpp, Line 847
Setup items (after recorder preparation)
0: TRM_DATA_MODE1 ()
2 indices, index0 (150) not provided
original disc pos #0 + 2205808 (2205808) = #2205808/490:10.58
relocatable, disc pos for caching/writing not required/ required, no patch infos
-> TRM_DATA_MODE1, 2048, config 0, wanted index0 0 blocks, length 2205808 blocks [E: SONY DVD RW AW-G170A]
--------------------------------------------------------------

15:41:45 #12 Text 0 File ThreadedTransferInterface.cpp, Line 1059
Prepare recorder [E: SONY DVD RW AW-G170A] for write in CUE-sheet-DAO
DAO infos:
==========
MCN: ""
TOCType: 0x00; Session Closed, disc not fixated
Tracks 1 to 1:
1: TRM_DATA_MODE1, 2048/0x00, FilePos 0 0 4517494784, ISRC ""
DAO layout:
===========
__Start_|____Track_|_Idx_|_CtrlAdr_|_RecDep__________
0 | lead-in | 0 | 0x41 | 0x00
0 | 1 | 0 | 0x41 | 0x00
0 | 1 | 1 | 0x41 | 0x00
2205808 | lead-out | 1 | 0x41 | 0x00

15:41:45 #13 Text 0 File SCSIPassThrough.cpp, Line 39
SPTILockVolume - completed successfully for FCTL_LOCK_VOLUME

15:41:45 #14 Text 0 File SCSIPassThrough.cpp, Line 84
SPTIDismountVolume - completed successfully for FSCTL_DISMOUNT_VOLUME

15:41:45 #15 Phase 24 File dlgbrnst.cpp, Line 1730
Caching of files started

15:41:45 #16 Text 0 File Burncd.cpp, Line 4187
Cache writing successful.

15:41:45 #17 Phase 25 File dlgbrnst.cpp, Line 1730
Caching of files completed

15:41:45 #18 Phase 28 File dlgbrnst.cpp, Line 1730
Speed measurement started

15:41:45 #19 Text 0 File ThreadedTransferInterface.cpp, Line 2707
Verifying disc position of item 0 (relocatable, disc pos, no patch infos, orig at #0): write at #0

15:44:13 #20 Text 0 File WriterStatus.cpp, Line 116
<E: SONY DVD RW AW-G170A> start writing Lead-Out at LBA 2205808 (21A870h), length 0 blocks

15:44:13 #21 Text 0 File ThreadedTransfer.cpp, Line 228
all writers idle, stopping conversion

15:44:13 #22 Phase 29 File dlgbrnst.cpp, Line 1679
Speed measurement completed: 22,9x (31.624 KB/s)

15:44:13 #23 Phase 36 File dlgbrnst.cpp, Line 1730
Burn process started at 18x (24.930 KB/s)

15:44:13 #24 Text 0 File ThreadedTransferInterface.cpp, Line 2707
Verifying disc position of item 0 (relocatable, disc pos, no patch infos, orig at #0): write at #0

15:44:13 #25 Text 0 File DVDR.cpp, Line 2760
Recording mode: Sequential Recording Mode for Multisession

15:44:13 #26 Text 0 File DVDR.cpp, Line 2916
Start write address at LBA 0
DVD high compatibility mode: Yes

15:44:13 #27 Text 0 File Cdrdrv.cpp, Line 8661
---- DVD Structure: Physical Format Information (00h) ----
Media Type: 0, Layer: 0, Address: 0 (0 h), AGID: 0; Length: 2050
Book Type: DVD-R (2), Part Version: 2.0x (5), Extended Part Version: 2.1 (33)
Disc Size: 120 mm, Maximum Rate: <not specified> (F h)
Number of Layers: 1, Track Path: Parallel Track Path (PTP), Layer Type: recordable
Linear Density: 0,267 um/bit, Track Density: 0,74 um/track
Starting Physical Sector Number of Data Area: 30000 h (DVD-ROM, DVD-R/-RW, DVD+R/+RW)
End Physical Sector Number of Data Area: 26127F h
End Sector Number in Layer 0: 0 h (LBN: FFFD0000 h, 4193920 MB)
Data in Burst Cutting Area (BCA) does not exist
Start sector number of the current Border-Out: 2FE10 h
Start sector number of the next Border-In: 2FFA0 h
Media Specific [16..63]:
00 60 00 10 20 30 40 50 - 00 00 00 21 00 00 00 00 .`...0@P...!....
00 02 FE 10 00 02 FF A0 - 00 00 00 00 00 00 00 00 ..þ...ÿ.........
00 00 00 00 00 00 00 00 - 00 00 00 00 00 00 00 00 ................

15:45:21 #28 SPTI -1106 File SCSIPassThrough.cpp, Line 290
E: CdRom0: SCSIStatus(x02) WinError(0) NeroError(-1106)
Sense Key: 0x03 (KEY_MEDIUM_ERROR)
Sense Code: 0x73
Sense Qual: 0x03
CDB Data: 0x2A 00 00 00 00 00 00 00 20 00 00 00
Sense Area: 0x70 00 03 00 00 00 00 0A 00 00 00 00 73 03
Buffer x05280000: Len x10000
0x00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

15:45:21 #29 CDR -1106 File Writer.cpp, Line 302
Power calibration error
E: SONY DVD RW AW-G170A

15:45:21 #30 Text 0 File ThreadedTransfer.cpp, Line 228
all writers idle, stopping conversion

15:45:21 #31 Text 0 File ThreadedTransfer.cpp, Line 222
conversion idle, stopping reader

15:45:21 #32 Text 0 File DVDR.cpp, Line 3156
EndDAO: Last written address was -1

15:45:23 #33 Phase 133 File dlgbrnst.cpp, Line 1730
Writing short lead-out

15:45:24 #34 SPTI -1023 File SCSIPassThrough.cpp, Line 290
E: CdRom0: SCSIStatus(x02) WinError(0) NeroError(-1023)
Sense Key: 0x05 (KEY_ILLEGAL_REQUEST)
Sense Code: 0x2C
Sense Qual: 0x00
CDB Data: 0x5B 01 02 00 00 03 00 00 00 00 00 00
Sense Area: 0x70 00 05 00 00 00 00 0A 00 00 00 00 2C

15:45:25 #35 CDR -1023 File WriterStatus.cpp, Line 167
Command sequence error
E: SONY DVD RW AW-G170A

15:45:25 #36 TRANSFER -24 File WriterStatus.cpp, Line 167
Could not perform end of Disc-at-once

15:45:27 #37 Phase 38 File dlgbrnst.cpp, Line 1730
Burn process failed at 18x (24.930 KB/s)


Existing drivers:

Registry Keys:
HKLM\Software\Microsoft\Windows NT\CurrentVersion\WinLogon\AllocateCDROMs : 0 (Security Option)


Que significa? que tengo la grabadora cascada?

Gracias