Linux Plextor W1210S cdrecord

My System: ASUS L8400 laptop with 256MB RAM and 20GB IDE/ATA HD (FUJITSU MHM2200AT). Plextor Plexwriter 12/10/32S (PX-W1210S) SCSI external CD-writer. Connection made with Adaptec SlimSCSI 1460D PC-Card/PCMCIA using the driver aha152x_cs.

Here is the command I use:

$ cdrecord -dev=0,4,0 -eject -v driveropts=burnfree -speed=12 file.iso

Cdrecord 1.11a19 (i586-mandrake-linux-gnu) Copyright (C) 1995-2002 Jörg Schilling
TOC Type: 1 = CD-ROM
scsidev: '0,4,0'
scsibus: 0 target: 4 lun: 0
Linux sg driver version: 3.1.22
Using libscg version 'schily-0.6'
Driveropts: 'burnfree'
atapi: 0
Device type    : Removable CD-ROM
Version        : 2
Response Format: 2
Capabilities   : SYNC LINKED
Vendor_info    : 'PLEXTOR '
Identifikation : 'CD-R   PX-W1210S'
Revision       : '1.03'
Device seems to be: Generic mmc CD-RW.
Using generic SCSI-3/mmc CD-R driver (mmc_cdr).
Driver flags   : SWABAUDIO BURNFREE
Supported modes: TAO PACKET SAO SAO/R96P SAO/R96R RAW/R16 RAW/R96P RAW/R96R
Drive buf size : 4194304 = 4096 KB
FIFO size      : 4194304 = 4096 KB
Track 01: data  693 MB
Total size:     796 MB (78:55.38) = 355154 sectors
Lout start:     796 MB (78:57/29) = 355154 sectors
Current Secsize: 2048
ATIP info from disk:
  Indicated writing power: 5
  Is not unrestricted
  Is not erasable
  Disk sub type: Medium Type A, low Beta category (A-) (2)
  ATIP start of lead in:  -11634 (97:26/66)
  ATIP start of lead out: 359849 (79:59/74)
Disk type:    Short strategy type (Phthalocyanine or similar)
Manuf. index: 3
Manufacturer: CMC Magnetics Corporation
Blocks total: 359849 Blocks current: 359849 Blocks remaining: 4695
Starting to write CD/DVD at speed 12 in write mode for single session.
Last chance to quit, starting dummy write in 0 seconds. Operation starts.
Waiting for reader process to fill input buffer ... input buffer ready.
BURN-Free is ON.
cdrecord: Turning BURN-Free on
Starting new track at sector: 0
Track 01: 693 of 693 MB written (fifo 100%) 8.6x.
Track 01: Total bytes read/written: 727351296/727351296 (355152 sectors).
Writing  time:  595.743s

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