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WH16NS40 supports D8 reading mode? Also in review WH16NS40 doesn't read in Lead-Out. You can use your drive for dumping DATA CD only without Audio.

Hm. Accidentally found drive which can read in scrambled mode and works with DIC - ASUS DVD-E616A. But drive doesn't read in lead-out.

And question about C2 pointers. Why on some drives DIC doesn't use C2 although example Perfectrip and EAC report about C2 support and errors.

sarami, thanks. Lite-On iHAS124-F works fine with C2 support.
TOSHIBA XM-6402B also works, no C2 by drive itself.
And yes, HL-DT-ST GCR-8525B - Drive cannot read Subchannel Data directly (from Nero DiscSpeed DAE test and CloneCD report)

Also I can't run 2 copy DIC at the same time, it's normal? And DIC blocks access to ASPI or drives in OS (Win10) for yourself because EAC can't see drives, while DIC works.

update:
In TOSHIBA log sometimes appears, but all works.

LBA[000000, 0000000], [F:ReadBufferCapacity][L:536] OperationCode: 0x5c
        ScsiStatus: 0x02 = CHECK_CONDITION
        SenseData Key-Asc-Ascq: 05-20-00 = ILLEGAL_REQUEST - INVALID COMMAND OPERATION CODE
Checking SubQ adr (Track)  1/ 1
Checking SubRtoW (Track)  1/ 1
Reading DirectoryRecord    1/   1

I did some tests with "data command" and different drives. Some drives doesn't work with DIC.
Here my test result, if possible fix error. Drives can be used to verify discs with data command.

TOSHIBA XM-6402B, DIC error.
HL-DT-ST GCR-8525B, DIC error.
Lite-On iHAS124-F my new drive,  DIC error.
HL-DT-ST GH22NS40, works, no C2, drive support it.
SONY CRX230ED, works, C2 support, good reader.
TEAC CD-W552G works, C2 support.
NEC NR-9500A, works, no C2 support by drive.

If it's possible fix errors with drives.

CD/DVD Repair Machine

Another would be to modify a program for comparison and exchange of elements in the two different images from themabus'a (reCombine -> link)). Useful program sometimes, but works with a single thread CPU and allows to rearrange only blocks of bytes. Although the use of small, and the time eats a lot, but sometimes it helps to combine two pieces in one. Or someone would come up with something like that, there is unlikely source except the author

Еще бы модифицировать прогу для сравнения и перестановки элементов в двух различных образах от themabus'а (reCombine -> link). Полезная прога иногда, но работает с одним потоком процессора и не дает возможность переставлять мелкие элементы, только блоки байтов, если изменений очень много. Хотя польза и небольшая, да и времени жрет немерено, но иногда помогает собрать из двух кусков нужный файл. Или кто придумал бы что-то подобное, да и врядли исходник есть, кроме как у автора.

Thanks for help me. Tested. Program not crashed, but do something in background forever or stuck on some process. Here test log.

F1ReB4LL, I think for me really to find plextor in my region than one of these And if I understand they SCSI and needed some adapter for modern system. Also one from Teac and Yamaha drives has support 0xD8.

Hi. I tried to dump pirated SegaDC disc with such structure. I know it not redump stuff, but maybe it will be fixed.

DiscInformation
                          Disc Status: Finalized Disc
                  Last Session Status: Complete Session
                             Erasable: No
                   First Track Number: 1
                   Number of Sessions: 2
             Last Session First Track: 2
              Last Session Last Track: 2
             Background Format Status: The disc is neither CD-RW nor DVD+RW
                            Dirty Bit: No
                Unrestricted Use Disc: No
                  Disc Bar Code Valid: No
                        Disc ID Valid: No
                            Disc Type: CD-ROM XA Disc
      Last Session Lead-in Start Time: 00:ff:ff:ff
    Last Possible Lead-out Start Time: 00:ff:ff:ff
                 Number of OPC Tables: 0
TOC on SCSIOP_READ_TOC
     Audio Track  1, LBA        0-   11699, Length    11700
      Data Track  2, LBA    11700-  355479, Length   343780
                                            Total    355480
CDTEXT on SCSIOP_READ_TOC
    Nothing
FULL TOC on SCSIOP_READ_TOC
    FirstCompleteSession: 1
     LastCompleteSession: 2
    Session 1, FirstTrack  1, Format: CD-DA or CD-ROM
    Session 1,  LastTrack  1
    Session 1,      Leadout, MSF 00:06:00 (LBA    450)
    Session 1,     Track  1, MSF 00:02:00 (LBA    150)
    Session 1,  NextSession, MSF 02:36:00 (LBA  11700)
         Outermost Lead-out, MSF 79:01:55 (LBA 355630)
    The number of different Mode-5 pointers present 02
    Session 1,  ATIP values, MSF 00:00:00
              First Lead-in, MSF 95:00:00 (LBA 427500)
    Session 2, FirstTrack  2, Format: CD-ROM-XA
    Session 2,  LastTrack  2
    Session 2,      Leadout, MSF 79:01:55 (LBA 355630)
    Session 2,     Track  2, MSF 02:38:00 (LBA  11850)

DiscImageCreator_20141206 crashed.
DiscImageCreator_20141017 crashed.
DiscImageCreator_20140110 ok with some minor fixes (size<ImgBurn example. All ok if do dump from DIC image).

Here logs:
SegaDCpiratedCDv.06.12.rar
SegaDCpiratedCDv.10.01.rar
SegaDCpiratedCDv.17.10.rar

Also any chances to add support for not plextor drives, at least as perfectrip.

I use -Xms flag, -Xmx don't work for me.

And a little more tests:

Crisis Core - Final Fantasy VII (EN+US+US+DE+IT+ES+FR+JP+JP) (PSP) (14.6 GB)

FreeArc raw 9 isos = around 7-8 GB (maybe solid not work for big size)

CDGroup + packed  FreeArc = 2.19 GB

maniac version  - EU -> convert patches + packed FreeArc -> US+US+DE+IT+ES+FR+JP+JP = 2.16 GB (I made them early)

FreeArc totally lost

Resident Evil (USA+Europe+Japan) (GameCube) (8.15 GB)

FreeArc raw 6 isos = 3 GB

CDGroup + packed  FreeArc = 2.06 GB

There is a request if possible to make ability to extract one needed file, not unmerge all.

For me CDGroup gives a small gain after compression. I use raw images (or ecm for CD) + FreeArc (better solid compression than 7z). CDGroup can be used only for himself, not for share or quick access to images.

TEST: Lost Kingdoms II (USA+Europe+Japan) (1.36 + 1.36 + 1.36 GB)

Solid 7z raw isos = Lost Kingdoms II (USA+Europe+Japan).7z  -  2678068917 (2.49 GB)

CDGroup + packed 7z = Lost Kingdoms II (USA+Europe+Japan).7z - 2676988096 (2.49 GB)

FreeArc raw isos = Lost Kingdoms II (USA+Europe+Japan).arc     - 1685900893 (1.56 GB)

CDGroup + packed FreeArc = Lost Kingdoms II (USA+Europe+Japan).arc  -  1706886824 (1.58 GB)

If do patches USA->Europe->Japan will be even smaller (maniac version )