Hi,

I bought a lot of PS3 demo discs which originally came with Official UK PlayStation magazine issues on eBay a while ago. The earliest disc in the lot was the issue 7 one.

Looking at other similar lots on eBay, discs for issues 1-6 never seem to be included. So my question is: did issues 1-6 of the Official UK PlayStation Magazine come with PS3 demo discs? Or did they (for example) come without disc, or maybe with a video DVD instead?

iR0b0t wrote:

That exactly sector should be of mode2 therefore [02], so following is correct

mark_k wrote:

From the GMA-4082N/xxx image:

00000000  00 ff ff ff ff ff ff ff  ff ff ff 00 71 19 25 02  |.ÿÿÿÿÿÿÿÿÿÿ.q.%.|
00000010  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
... the remaining bytes are all zero ...
00000920  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|

Thanks for that. Is it known whether the bad sector actually contains all zero bytes, or is it just that some drives return all-zero bytes for it?

A little update...

I just received a Lacie external USB DVD writer which has an NEC ND-3500AG drive inside. Using that to read the SecuROM-protected discs, no L-EC error is reported by the imaging progam, in fact the drive doesn't even slow down on reading the "bad" sector! (I'm using cdrdao on Linux.) The resulting image files match those in the database and my results with the Hitachi-LG drives.

I also tested the NEC drive with a Safedisc-protected disc (Euro 2000). While it did slow down a lot when reading though the bad sectors (typically in the region of 800-10000), the drive is noticeably quicker doing that than my other drives. It took under 1 second to read each bad sector. For some reason the drive seems to read through the bad sectors fastest when I set it to 8x speed.

So it seems NEC drives are an excellent choice for reading SecuROM and Safedisc-protected discs.

I've been trying to dump my Neverwinter Nights Deluxe Edition discs. Neverwinter Nights disc 3, Shadows of Undrentide and Hordes of the Underdark have SecuROM protection. My discs appear to be the same as those shown in these database entries (discs dumped by ghost, MD5s as in the database entries):
Neverwinter Nights disc 3, MD5 94031187b232c41fa72fca92dfc48cd5
Shadows of Undrentide, MD5 37fd92a995d266a5888053daba043651
Hordes of the Underdark, MD5 7206aba5dc5160b1858880a78e2d4fd9   

With this SecuROM protection, one sector near the end (outside) of the disc gives an L-EC error on reading. I tried with five different optical drives. Each drive gives consistent dumps; dumping multiple times in the same drive results in identical image files. Here for example are MD5s for dumps of my Hordes of the Underdark disc:

  Drive                      MD5
  FREECOM_ DVD+/-RW20J6      ef4aae40d930b72d03b34a3682ca86a4
  LITE-ON  DVDRW SHW-1635S   ef4aae40d930b72d03b34a3682ca86a4
  TSSTcorp CDDVDW SE-S204N   ef4aae40d930b72d03b34a3682ca86a4
  HL-DT-ST DVD-ROM GDR8082N  7206aba5dc5160b1858880a78e2d4fd9
  HL-DT-ST DVDRAM GMA-4082N  7206aba5dc5160b1858880a78e2d4fd9

The GMA-4082N/GDR8082N images match those in the database. Both my matching-checksum drives are made by Hitachi-LG Data Storage.
But the Samsung, Lite-On and Freecom (which almost certainly uses a Lite-On mechanism) drive images are identical, but different from the Hitachi-LG drives' image.

So my questions/comments are:

  • Different makes/models of drive can return different, but consistent data for the bad sectors. That might increase the chance of people inadvertently submitting incorrect dump info.

  • Exactly what data is supposed to be in the image file for the bad/unreadable sector of SecuROM-protected discs?

  • Looking at the hex dumps below, note the different value in byte 15; 02 for the GMA-4082N/GDR8082N images, 01 for the Lite-On/Samsung.

  • After the first 16 bytes, the bad sector data in the Lite-On/Samsung image seems to be random (or maybe scrambled/encoded???). Whereas the bytes are all zero for the GMA-4082N dump.

  • If the GMA-4082N/GDR8082N dumps (which match the checksums in the database entry) are correct, people should beware of using Samsung or Lite-On drives for dumping these protected discs.

The difference between the two sets of image files (Lite-On/Samsung vs GMA-4082N/GDR8082N) is in the data for the bad/error sector 320800; the 2352 bytes at offset 754521600 in the image file. Here are hex dumps of that sector data.

From the GMA-4082N/xxx image:

00000000  00 ff ff ff ff ff ff ff  ff ff ff 00 71 19 25 02  |.ÿÿÿÿÿÿÿÿÿÿ.q.%.|
00000010  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
... the remaining bytes are all zero ...
00000920  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|

From the Samsung/Lite-On image:

00000000  00 ff ff ff ff ff ff ff  ff ff ff 00 71 19 25 01  |.ÿÿÿÿÿÿÿÿÿÿ.q.%.|
00000010  95 d1 90 52 73 eb f3 da  ef 6e d1 4b 03 ab d9 e5  |.Ñ.RsëóÚïnÑK.«Ùå|
00000020  71 86 4e b4 4a 39 2c a2  10 75 fb 70 bf 33 c6 55  |q.N´J9,¢.uûp¿3ÆU|
00000030  05 56 a7 78 41 9b 52 30  09 24 7b 0d cf 55 f2 40  |.V§xA.R0.${.ÏUò@|
00000040  db 40 f4 26 7a 21 c8 8a  96 c3 fa 55 f7 c0 aa fc  |Û@ô&z!È..ÃúU÷Àªü|
00000050  17 52 74 58 ed c7 89 f6  eb 04 03 ba 59 f5 fb 35  |.RtXíÇ.öë..ºYõû5|
00000060  36 ef 5b b0 10 23 3a a6  e7 34 fc de f4 a6 da 0b  |6ï[°.#:¦ç4üÞô¦Ú.|
00000070  f8 4e 64 e5 15 ed dc 00  f1 df bb 4b d5 b6 80 0b  |øNdå.íÜ.ñß»KÕ¶..|
00000080  a5 db bb b6 fe f5 5c e5  29 58 c3 1d ff 9d 29 f7  |¥Û»¶þõ\å)XÃ.ÿ.)÷|
00000090  ec 8d dd 01 7a b9 02 6b  98 bd b6 6d 73 36 78 18  |ì.Ý.z¹.k.½¶ms6x.|
000000a0  11 33 ce 10 28 2b f5 51  83 b9 6f 82 56 98 7a 42  |.3Î.(+õQ.¹o.V.zB|
000000b0  25 57 44 9f 10 46 0a a8  03 c1 16 76 f7 8e 8e 09  |%WD..F.¨.Á.v÷...|
000000c0  c2 5d 19 ea 88 0e 3c 0b  c7 ab 8e 1e 43 08 60 68  |Â].ê..<.Ç«..C.`h|
000000d0  5f a4 07 6f ea 11 17 ed  d2 2d 63 ca bc f2 d3 7e  |_¤.oê..íÒ-cʼòÓ~|
000000e0  4f ec 68 d7 fa a4 e2 c2  4f 70 e0 92 78 40 fa d7  |Oìh×ú¤âÂOpà.x@ú×|
000000f0  e5 01 46 cf 13 5e bd e5  8b 20 af 47 12 82 c5 61  |å.FÏ.^½å. ¯G..Åa|
00000100  6e 2e 38 69 d2 1b 2b 22  8b 0b b4 04 4b af db 30  |n.8iÒ.+"..´.K¯Û0|
00000110  b0 22 00 c3 80 bd a9 0b  dd 58 53 f0 db 18 51 49  |°".Ã.½©.ÝXSðÛ.QI|
00000120  46 8a b2 19 a5 dd 3b 30  e8 ef 34 34 9e 10 64 4f  |F.².¥Ý;0èï44..dO|
00000130  32 64 12 b2 21 bb bd ff  14 10 ef ef 29 40 38 6f  |2d.²!»½ÿ..ïï)@8o|
00000140  ca eb 88 6f c8 c3 a0 b1  b3 d4 e5 51 e4 49 a0 16  |Êë.oÈà±³ÔåQäI .|
00000150  ae b3 c8 cf 6e 86 ce 82  96 bd 71 bf fe aa 2f c8  |®³ÈÏn.Î..½q¿þª/È|
00000160  95 b7 38 5d 7b d8 0e 2e  ac f3 7f 91 3d 20 a7 eb  |.·8]{Ø..¬ó..= §ë|
00000170  d3 70 ba 41 f6 89 c4 8c  46 35 4c 44 df 7b 0d 74  |ÓpºAö.Ä.F5LDß{.t|
00000180  32 45 d2 ad 1d e0 db c9  d4 5b 5a 11 7b 02 fc 4e  |2EÒ.àÛÉÔ[Z.{.üN|
00000190  72 b6 8f 68 3f 53 f4 86  89 40 ca 68 bb d7 dd ee  |r¶.h?Sô..@Êh»×Ýî|
000001a0  1c af 9b 39 8f 77 03 63  d2 5d 74 4d 5f 70 9b d1  |.¯.9.w.cÒ]tM_p.Ñ|
000001b0  27 2a 39 66 7e 2e ec 07  6e b7 6f 2a 8e 4c 18 ab  |'*9f~.ì.n·o*.L.«|
000001c0  fb b3 e4 8b 2a e7 ee fc  45 63 49 a4 d3 e4 76 fa  |û³ä.*çîüEcI¤Óävú|
000001d0  0f af 61 8d dd 4d 94 4c  04 03 76 93 50 8e 3e 4b  |.¯a.ÝM.L..v.P.>K|
000001e0  41 22 d6 6c 0a c5 68 4f  28 b2 f3 fb 96 69 f6 a5  |A"Öl.ÅhO(²óû.iö¥|
000001f0  19 57 32 f6 a4 c6 42 a9  ca b8 3c 1a 46 7a 65 88  |.W2ö¤ÆB©Ê¸<.Fze.|
00000200  9c 3c f4 a6 01 5c f5 29  0e e9 24 a5 52 1a 4a 6b  |.<ô¦.\õ).é$¥R.Jk|
00000210  71 7d 62 16 43 a4 bf 0d  5d fb 27 a3 75 8d 2b 11  |q}b.C¤¿.]û'£u.+.|
00000220  c9 1f b8 ca 7c ad f3 8a  96 17 2f e9 32 7a 54 a3  |É.¸Ê|ó.../é2zT£|
00000230  f7 b6 b9 3a 5b 78 48 b8  73 6f 5b e8 fc 87 fa c5  |÷¶¹:[xH¸so[èü.úÅ|
00000240  a6 b2 8f 22 5f 82 ad f6  9a dc df cc 56 33 6f 4d  |¦²."_.ö.ÜßÌV3oM|
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00000370  63 f0 29 2e ce 41 ce 03  96 43 a0 06 38 74 ca 27  |cð).ÎAÎ..C .8tÊ'|
00000380  03 99 de 94 25 52 1d 8c  84 5d 98 66 53 77 20 b6  |..Þ.%R...].fSw ¶|
00000390  67 4a e4 35 8b b2 38 21  f5 d8 28 2e 4d f2 55 50  |gJä5.²8!õØ(.MòUP|
000003a0  8c 34 e5 b1 86 02 3d 0a  5f d6 70 b2 4d 91 68 b4  |.4å±..=._Öp²M.h´|
000003b0  db 4d ea 66 ff 22 88 f5  fb b0 23 48 a2 78 98 2e  |ÛMêfÿ".õû°#H¢x..|
000003c0  ac 7d df 32 80 1d 3c df  f3 ad 92 40 3e fa f4 19  |¬}ß2..<ßó.@>úô.|
000003d0  47 de 7f 47 01 07 3c fc  b7 5f 44 5a d7 dc 88 84  |GÞ.G..<ü·_DZ×Ü..|
000003e0  5a 68 b6 da 85 f3 b9 78  a0 4b b8 de 46 ac f7 8d  |Zh¶Ú.ó¹x K¸ÞF¬÷.|
000003f0  8b 76 d4 8c 7e 10 88 35  6f cc 8f 47 a8 18 cb 02  |.vÔ.~..5oÌ.G¨.Ë.|
00000400  80 81 dc 05 74 96 7d 14  e1 35 f2 27 e1 e9 b5 6c  |..Ü.t.}.á5ò'áéµl|
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000004a0  8e 11 82 9d b0 c8 df 2a  9d 6a 6d 15 06 a1 80 c7  |....°Èß*.jm..¡.Ç|
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000004d0  59 92 9a 19 8f 52 96 de  ca 8e 17 05 24 6d cd cc  |Y....R.ÞÊ...$mÍÌ|
000004e0  46 33 24 e6 79 a6 24 29  95 77 df 25 4b 5d 5b a4  |F3$æy¦$).wß%K][¤|
000004f0  ef f5 bd 7e 48 53 5c 12  e2 74 17 06 e1 e5 d2 27  |ïõ½~HS\.ât..áåÒ'|
00000500  18 f6 0e 91 9c 32 ba 31  aa 9a 56 f5 f7 b2 99 e6  |.ö...2º1ª.Võ÷².æ|
00000510  a7 56 64 ef a9 c0 02 8b  34 19 92 16 fe 64 3d 17  |§Vdï©À..4...þd=.|
00000520  5b 4b a8 f7 7e 63 29 28  fd 7f 1d f4 31 b6 da d9  |[K¨÷~c)(ý..ô1¶ÚÙ|
00000530  0c 3e c8 b5 fe ca 41 33  e4 d3 49 e2 37 86 f9 92  |.>ȵþÊA3äÓIâ7.ù.|
00000540  d2 a2 8a 50 05 b3 78 02  32 95 f6 64 4b d0 3d 57  |Ò¢.P.³x.2.ödKÐ=W|
00000550  0e 05 0c 0c d0 4d 3f b4  20 88 96 58 0f 90 ea e1  |....ÐM?´ ..X..êá|
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00000580  11 02 14 39 ab 4d 93 e9  7c 51 72 7b 4c 52 88 4c  |...9«M.é|Qr{LR.L|
00000590  3f a1 1d 79 fa a1 d3 dc  bc 86 cc 67 23 9e 44 34  |?¡.yú¡Óܼ.Ìg#.D4|
000005a0  a0 58 6d 4c a5 00 35 21  51 a8 9c 9d fa 24 ea 39  | XmL¥.5!Q¨..ú$ê9|
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000005c0  69 d1 f3 0f d1 29 30 23  d1 cd c0 cb f1 aa 05 b7  |iÑó.Ñ)0#ÑÍÀËñª.·|
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000005e0  ad 1f 15 7e 48 45 a1 19  12 62 e5 04 0c ea bb be  |..~HE¡..bå..껾|
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000007e0  87 82 e4 6d 4d fc ef f2  ac 1c dc 76 ec 27 19 05  |..ämMüïò¬.Üvì'..|
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000008d0  d4 93 3b b4 6f 58 93 21  de 90 b6 bb 50 7c 70 01  |Ô.;´oX.!Þ.¶»P|p.|
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Hi,

Is anyone else having trouble building friidump on 64-bit x86/Linux? For both the original 0.3.0 release and 0.5.3, it seems to build okay, but the program writes the first sector data (2048 or 2064 bytes depending on ISO/raw setting), then gives a segmentation fault like this:

...
Disc type..........: GameCube
Game ID............: M8
Region.............: Europe/PAL
Maker..............: 01 (Nintendo)
Version............: 1.00
Game title.........: Metroid Prime

Writing to file "test.raw" in raw format
Writing to file "test.iso" in ISO format

Segmentation fault