no me acuerdo bien cuando empezó todo esto, pero me viene pasando ahora con los cds -r verbatim, y en dvds -r ridata y -r de sony, otro programa no probé pq siempre me anduvo bien con el nero pero me parece q es un problema en gral ya q grabo cds y dvds en grabadoras diferentes, actualizé el firmware y no me trajo problema al grabar pero todavia no me anime a volver hacer multisession
por cierto, tengo una grabadora asus de cds y una sony de para dvds , aca le pongo los detalles si quieren :
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ASUS CRW-5232AS(1:1) detail information.
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Vendor Identification: ASUS
Product Identification: CRW-5232AS
Production Revision Level: 1.03
Location: atapi, Port 1, Bus 0, Target 1, Lun 0
Support recording method: DAO, RAW SAO, RAW SAO+SUB, RAW DAO(96), TAO
BURN-Free Technology: FlextraLink
Auto-Select best write speed: Not Supported
-* Note: This information below is provided by the unit, it might be inaccurate. *-
-* This software does not use this information! *-
Removable media: Yes
Version: ATAPI (INF-8090i/INF-8020i/INF-8028i)
Response Data Format: 01h
CD-R Read/Write: Yes/Yes
CD-RW Read/Write: Yes/Yes
Read CD-R Fixed Packet: Yes
Test Write: Yes
DVD-ROM Read: No
DVD-R Read/Write: No/No
DVD-RAM Read/Write: No/No
Audio Play: Yes
Composite Audio and Video Data Stream: No
Digital output (IEC958) on port 1 Supported: No
Digital output (IEC958) on port 2 Supported: No
Mode 1 Form 2: Yes
Mode 2 Form 2: Yes
Multi-Session: Yes
BUF: Yes
CD-DA Commands supported: Yes
CD-DA Stream is Accurate: Yes
R-W Supported: Yes
R-W De-interleaved and Corrected: No
C2 Pointers Support: Yes
ISRC Supported: Yes
UPC Supported: Yes
Read Bar Code: No
Lock media into the drive: Yes
Currently drive Lock state: Unlocked
Prevent Jumper: No
Eject Command: Yes
Separate volume levels: Yes
Separate channel mute: Yes
Changer Supports Disc Present: No
Software slot selection: No
Side change capable: No
P through W in Lead-In: Yes
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(E

SONY DVD RW DW-Q28A(0:1) detail information.
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Vendor Identification: SONY
Product Identification: DVD RW DW-Q28A
Production Revision Level: KYS4
Location: atapi, Port 0, Bus 0, Target 1, Lun 0
Support recording method: DAO, RAW DAO(96), TAO, DVD DAO
BURN-Free Technology: SMART-BURN
Auto-Select best write speed: SMART-BURN
-* Note: This information below is provided by the unit, it might be inaccurate. *-
-* This software does not use this information! *-
Removable media: Yes
Version: ATAPI (INF-8090i/INF-8020i/INF-8028i)
Response Data Format: 02h
CD-R Read/Write: Yes/Yes
CD-RW Read/Write: Yes/Yes
Read CD-R Fixed Packet: Yes
Test Write: Yes
DVD-ROM Read: Yes
DVD-R Read/Write: Yes/Yes
DVD-RAM Read/Write: No/No
Audio Play: Yes
Composite Audio and Video Data Stream: No
Digital output (IEC958) on port 1 Supported: Yes
Digital output (IEC958) on port 2 Supported: No
Mode 1 Form 2: Yes
Mode 2 Form 2: Yes
Multi-Session: Yes
BUF: Yes
CD-DA Commands supported: Yes
CD-DA Stream is Accurate: Yes
R-W Supported: Yes
R-W De-interleaved and Corrected: No
C2 Pointers Support: Yes
ISRC Supported: Yes
UPC Supported: Yes
Read Bar Code: No
Lock media into the drive: Yes
Currently drive Lock state: Unlocked
Prevent Jumper: No
Eject Command: Yes
Separate volume levels: Yes
Separate channel mute: Yes
Changer Supports Disc Present: No
Software slot selection: No
Side change capable: No
P through W in Lead-In: Yes