KEY UNIT ATTENTION error

Hi

I've had no trouble for the last 2 months and now seem to have trouble burning with my FREECOM External Drive.

I've been using Datawrite 16x DVD-Rs

This is a log I received. Hope I'm not being too cheeky.

Can you Guys deduce anything from this?

Thanks
Windows XP 5.1
IA32
WinAspi: -
ahead WinASPI: File 'C:\Program Files\Ahead\nero\Wnaspi32.dll': Ver=2.0.1.74, size=164112 bytes, created 26/10/2004 18:35:32
Nero Version: 6.6.0.8 (Nero Express)
Recorder: <FREECOM_ DVD+/-RW16H8> Version: FR00 - HA 2 TA 0 - 6.6.0.8
Adapter driver: <> HA 2
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: <HL-DT-ST CDRW/DVD GCC4482>Version: E107 - HA 0 TA 0 - 6.6.0.8
Adapter driver: <atapi> HA 0

=== Scsi-Device-Map ===
CdRomPeripheral : HL-DT-ST CDRW/DVD GCC4482 atapi Port 0 ID 0 DMA: On
DiskPeripheral : Maxtor 6L160M0 atapi Port 1 ID 0 DMA: On

=== CDRom-Device-Map ===
HL-DT-ST CDRW/DVD GCC448 D: CDRom0
FREECOM_ DVD+/-RW16H8 E: CDRom1
=======================

AutoRun : 1
Excluded drive IDs:
WriteBufferSize: 83886080 (0) Byte
ShowDrvBufStat : 0
BUFE : 0
Physical memory : 1022MB (1046604kB)
Free physical memory: 546MB (559408kB)
Memory in use : 46 %
Uncached PFiles: 0x0
Use Inquiry : 1
Global Bus Type: default (0)
Check supported media : Disabled (0)

19.4.2006
UDF/ISO compilation
19:17:21 #1 Phase 112 File dlgbrnst.cpp, Line 1832
DVD-Video files reallocation started

19:17:21 #2 Phase 114 File dlgbrnst.cpp, Line 1832
DVD-Video files reallocation completed (no file modified)

19:17:21 #3 Text 0 File Isodoc.cpp, Line 6172
Iso document burn settings
------------------------------------------
Determine maximum speed : FALSE
Simulate : FALSE
Write : TRUE
Finalize CD : TRUE
Multisession : FALSE
Burning mode : DAO
Mode : 1
ISO Level : 1 (Max. of 11 = 8 + 3 char)
Character set : ISO 9660
Joliet :FALSE
Allow pathdepth more than 8 directories : FALSE
Allow more than 255 characters in path : FALSE
Write ISO9660 ;1 file extensions : TRUE

19:17:21 #4 Phase 111 File dlgbrnst.cpp, Line 1832
DVD-Video files sorted

19:17:21 #5 Text 0 File Reader.cpp, Line 127
Reader running

19:17:21 #6 Text 0 File Writer.cpp, Line 122
Writer FREECOM_ DVD+/-RW16H8 running

19:17:21 #7 ISO9660GEN -11 File geniso.cpp, Line 3293
First writeable address = 0 (0x00000000)

19:17:22 #8 ISO9660GEN -11 File geniso.cpp, Line 3293
First writeable address = 0 (0x00000000)

19:17:22 #9 Text 0 File Burncd.cpp, Line 3153
Turn on Disc-At-Once, using DVD media

19:17:22 #10 Text 0 File DlgWaitCD.cpp, Line 259
Last possible write address on media: 2298495 (510:46.45, 4489MB)
Last address to be written: 2286111 (508:01.36, 4465MB)

19:17:22 #11 Text 0 File DlgWaitCD.cpp, Line 271
Write in overburning mode: NO (enabled: CD)

19:17:22 #12 Text 0 File DlgWaitCD.cpp, Line 2316
Recorder: FREECOM_ DVD+/-RW16H8, Media type: DVD-R
Disc Manufacturer: TTH02 -
Disc Application Code: 64, Disc Physical Code: 193

19:17:22 #13 Text 0 File DlgWaitCD.cpp, Line 433
>>> Protocol of DlgWaitCD activities: <<<
=========================================

19:17:22 #14 Text 0 File ThreadedTransferInterface.cpp, Line 830
Setup items (after recorder preparation)
0: TRM_DATA_MODE1 ()
2 indices, index0 (150) not provided
original disc pos #0 + 2286112 (2286112) = #2286112/508:1.37
relocatable, disc pos for caching/writing not required/ required, no patch infos
-> TRM_DATA_MODE1, 2048, config 0, wanted index0 0 blocks, length 2286112 blocks [FREECOM_ DVD+/-RW16H8]
--------------------------------------------------------------

19:17:22 #15 Text 0 File ThreadedTransferInterface.cpp, Line 1043
Prepare recorder [FREECOM_ DVD+/-RW16H8] for write in CUE-sheet-DAO
DAO infos:
==========
MCN: ""
TOCType: 0x00; Session Closed, disc fixated
Tracks 1 to 1:
1: TRM_DATA_MODE1, 2048/0x00, FilePos 0 0 4681957376, ISRC ""
DAO layout:
===========
__Start_|____Track_|_Idx_|_CtrlAdr_|_RecDep__________
0 | lead-in | 0 | 0x41 | 0x00
0 | 1 | 0 | 0x41 | 0x00
0 | 1 | 1 | 0x41 | 0x00
2286112 | lead-out | 1 | 0x41 | 0x00

19:17:22 #16 Phase 24 File dlgbrnst.cpp, Line 1832
Caching of files started

19:17:22 #17 Text 0 File Burncd.cpp, Line 4040
Cache writing successful.

19:17:22 #18 Phase 25 File dlgbrnst.cpp, Line 1832
Caching of files completed

19:17:22 #19 Phase 36 File dlgbrnst.cpp, Line 1832
Burn process started at 16x (22,160 KB/s)

19:17:22 #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

19:17:22 #21 Text 0 File DVDR.cpp, Line 2356
Recording mode: Sequential Recording Mode

19:17:22 #22 Text 0 File Mmc.cpp, Line 21206
Set BUFE: Buffer underrun protection -> ON

19:17:22 #23 Text 0 File DVDR.cpp, Line 2502
Start write address at LBA 0
DVD high compatibility mode: Yes

19:17:22 #24 Text 0 File Cdrdrv.cpp, Line 8442
---- DVD Structure: Physical Format Information (00h) ----
Layer: 0, Address: 0 (0 h), AGID: 0; Length: 2050
Book Type: DVD-R (2), Part Version: 5
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: 0 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: 0 h
Start sector number of the next Border-In: 0 h
Media Specific [16..63]:
00 60 00 10 20 30 40 50 - 00 00 00 21 00 00 00 00 .`...0@P...!....
00 00 00 00 00 00 00 00 - 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 - 00 00 00 00 00 00 00 00 ................

19:17:45 #25 Text 0 File Cdrdrv.cpp, Line 1287
19:17:45.234 - FREECOM_ DVD+/-RW16H8\H2 T0 : Queue again later

19:17:45 #26 SCSI -500 File Cdrdrv.cpp, Line 1435
SCSI Exec, HA 2, TA 0, LUN 0, buffer 0x0ABF0000
Status: 0x02 (0x03, SCSI_ABORTED)
HA-Status 0x10 (0x0A, SCSI_HASTAT_REQUEST_SENSE_FAILED)
TA-Status 0x00 (0x00, OK)
Sense Key: 0x05 (KEY_ILLEGAL_REQUEST)
Sense Code: 0x26
Sense Qual: 0x02
CDB Data: 0x2A 0x00 0x00 0x00 0x01 0xC0 0x00 0x00 0x20 0x00 0x00 0x00
Sense Data: 0xF0 0x00 0x05 0x00 0x00 0x00 0x00 0x00
0x00 0x00 0x00 0x00 0x26 0x02

19:17:50 #27 SCSI -1114 File Cdrdrv.cpp, Line 1435
SCSI Exec, HA 2, TA 0, LUN 0, buffer 0x0B270600
Status: 0x04 (0x01, SCSI_ERR)
HA-Status 0x00 (0x00, OK)
TA-Status 0x02 (0x01, SCSI_TASTATUS_CHKCOND)
Sense Key: 0x06 (KEY_UNIT_ATTENTION)
Sense Code: 0x29
Sense Qual: 0x00
CDB Data: 0x2A 0x00 0x00 0x00 0x01 0xC0 0x00 0x00 0x20 0x00 0x00 0x00
Sense Data: 0x70 0x00 0x06 0x00 0x00 0x00 0x00 0x0A
0x00 0x00 0x00 0x00 0x29 0x00

19:17:50 #28 CDR -1114 File Writer.cpp, Line 311
Reset occurred

19:17:50 #29 Text 0 File ThreadedTransfer.cpp, Line 228
all writers idle, stopping conversion

19:17:50 #30 Text 0 File ThreadedTransfer.cpp, Line 222
conversion idle, stopping reader

19:17:50 #31 Text 0 File DVDR.cpp, Line 2765
EndDAO: Last written address was 447

19:18:06 #32 CDR -1033 File WriterStatus.cpp, Line 167
Drive not ready

19:18:06 #33 TRANSFER -24 File WriterStatus.cpp, Line 167
Could not perform end of Disc-at-once

19:18:06 #34 Phase 38 File dlgbrnst.cpp, Line 1832
Burn process failed at 16x (22,160 KB/s)


Existing drivers:
File 'Drivers\ADPU160M.SYS': Ver=v3.60a (Lab01_N(johnstra).010529-2218), size=101888 bytes, created 17/08/2001 14:07:32
File 'Drivers\CDRALW2K.SYS': Ver=6.3.0.11 , size=24698 bytes, created 03/11/2004 17:54:46
File 'Drivers\PXHELP20.SYS': Ver=2.03.31a, size=20640 bytes, created 05/04/2005 03:03:00 (Prassi/Veritas driver for win 2K)
File 'Drivers\atapi.sys': Ver=5.1.2600.2180 (xpsp_sp2_rtm.040803-2158), size=95360 bytes, created 03/08/2004 22:59:44 (Adapter driver for src)

Registry Keys:
HKLM\Software\Microsoft\Windows NT\CurrentVersion\WinLogon\AllocateCDROMs

 

I believe this is already being answered in this thread
http://forums.afterdawn.com/thread_view.cfm/333104...I will ask for this one to be closed.