April 10th, 2018, 6:34
April 10th, 2018, 9:07
April 10th, 2018, 10:25
April 10th, 2018, 11:02
pclab wrote:You can't go into module 5C?
Doomer wrote:It's Palmer
June 11th, 2018, 7:08
Drive is SED Locked (no SA Access)
June 13th, 2018, 10:34
DR_COMPULAB wrote:Drive is SED Locked (no SA Access)
Does Any one have a solution to the above problem
I have a similar drive probably "Palmer" Family with a SLOW READING problem
Need to clear Relo
Has Anyone managed to Unlock and resolve this issue
Thanks
September 10th, 2018, 17:16
September 10th, 2018, 23:23
Offset(h) 00 02 04 06 08 0A 0C 0E
00001EF0 A7EB 0DC7 3FFA E0CA
00001F00 1B1F E96C ED65 5EBB F1B4 30EE 607E 4936
00001F10 8575 8E73 1CEC B5D5 90DE 6737 040F 106E
00001F20 19B2 9903 F13F CE39 642B AC16 1331 6CED
00001F30 2F18 5772 A7EF 3F1E 9DA5 69CA EE57 7E4A
00001F40 FA07 414D 0611 CC7A 746D A86A 15A9 0745
00001F50 3D5B 79B6 D1A9 16EE 2773 40BF 260C BB5D
00001F60 8230 2E50 40E0 98B3 A6A6 8255 B7C7 A93A
00001F70 A810 BFCD 4C5D 67DF 012A C648 D40C 0324
00001F80 5C0F CFAB 4E47 C0DD A1A3 7D3F 3C8C 7786
00001F90 6E03 4430 63C3 E2F6 D7FE 59A3 3F0F 53A6
00001FA0 69C6 F556 762F 8FCA C3B7 1E08 298D 9A99
00001FB0 5C50 F21C 702A C63A B1F5 1F38 9ACB 7CBB
00001FC0 5DF7 9DAC 2938 6A64 8DFB DD9D 56D3 DD15
00001FD0 BA9C BF55 C88A 05EF D116 BEDE C19F 96CE
00001FE0 394E E71C A926 2677 6192 DECA 4C73 2D56
00001FF0 55F1 DFE6 54B7 5EE1 0000 0000 0100 0100
Offset(h) 00 02 04 06 08 0A 0C 0E
000049A0 2E E51F EA0C C246 B8A8 26EF 9BF1 32C6
000049B0 9296 9877 6EED 1543 6132 2685 99AE 6D92
000049C0 A7A4 6046 9196 1616 A25D 69F6 C0AE 5064
000049D0 4624 B182 D704 51B6 D8A4 00E1 B284 43F2
000049E0 5EF6 5429 9FF7 9E38 4EDE 56E5 D4E0 D6FB
000049F0 D889 12C9 DAB7 B79B 6CAE CBE2 C362 F68F
00004A00 7E8C DAED 53D2 94E4 23F4 B456 0365 0AFF
00004A10 6700 7E98 95AC D6CF CC81 83A5 5BE8 5B27
00004A20 6A21 1D1C A6DA 7DCE 5406 A66F 8269 C707
00004A30 F15C B5EC 48A2 B22C 4B70 6420 D66B 47D0
00004A40 6E05 C6C6 BC9D 2319 E2EE C1E3 8A27 0D63
00004A50 D561 F14A 9708 FE45 23B8 9181 F37B B77B
00004A60 3468 AC7E 3A86 ACD7 E4D0 72BE 0ADB 96E2
00004A70 B782 8494 1D23 1E18 F3A0 C766 75B6 8F88
00004A80 F4E8 E8F9 0529 9461 5E04 5247 3D9B 9BD7
00004A90 A0CD 150A 9206 5751 B7F0 B7CC AB6D 6FA2
00004AA0 CD
Analysing ROM.bin ...
Searching for LDSCs and verifying PCMBlocks ...
LDSC LDSC PCMBLock PCMBlk CS
Start ID CS Start - End Exp/Act
---------------------------------------
00000 5A ED 00000 - 1FFFF 3E8E23F7 / ??? (cksm/CRC computed over 0x20 + 0x1B24)
02000 01 49 02180 - 04AA0 84 84 OK (cksm computed over 0x2180 + 0x2820)
02020 02 9B 04AA1 - 08B31 4F 4F OK
02040 03 92 08B32 - 08F26 D3 D3 OK
02060 04 39 08F27 - 0DCAF C8 C8 OK
02080 05 AF 0DCB0 - 0E7BC FA FA OK
020A0 06 A0 0E7BD - 0EC5D 79 79 OK
020C0 07 16 0EC5E - 14AF6 A0 A0 OK
020E0 08 51 14AF7 - 14F17 81 81 OK
02100 09 48 14F18 - 175A0 26 26 OK
02120 0A 91 175A1 - 17981 93 93 OK
02140 0B BE 17982 - 2FBFA D7 D7 OK
02160 0C 2B 2FBFB - 553D3 8A 8A OK
82000 01 49 82180 - 84AA0 96 96 OK (cksm computed over 0x82180 + 0x2820)
82020 02 9B 84AA1 - 88B31 4F 4F OK
82040 03 92 88B32 - 88F26 D3 D3 OK
82060 04 D9 88F27 - 8DCFF 21 21 OK
82080 05 00 8DD00 - 8E80C 82 82 OK
820A0 06 F1 8E80D - 8ECAD 79 79 OK
820C0 07 56 8ECAE - 94B3A C0 C0 OK
820E0 08 9A 94B3B - 94F5B 75 75 OK
82100 09 84 94F5C - 975E0 A4 A4 OK
82120 0A D1 975E1 - 979C1 49 49 OK
82140 0B 69 979C2 - AFCFA 61 61 OK
82160 0C 37 AFCFB - D552B B3 B3 OK
LDSC = PM Loader Config String (32 bytes)
ID = ID byte of LDSC (byte #0)
CS = Checksum byte or word
PCMBlk = Program Code Memory Block
Exp = Expected checksum for PCMBLock
Act = Actual checksum for PCMBLock
ROYL directory module 0x000B found at 0x0007F43E
Active directory flag = 0x03
Identifying SA regions ...
Reg# Reg size Reg loc
----------------------------
0x00 0x000A6338 0x000AA497
0x01 0x000A6338 0x00154933
Verifying ROYL modules ...
ID Size (bytes) Address Checksum
dir hdr dir hdr
-----------------------------------------------------
0001 N/A 00004000 N/A 00000000 N/A
000A OK 0000004E 00000200 0007E000 00000000 OK
000B OK 0000013D 00000200 0007F43E 00000000 OK
020B OK 0000013D 00000200 0007D43E 00000000 OK
0030 OK 00000400 OK 000FE000 00000000 OK
0047 OK 000006A4 00000800 0007E556 00000000 OK
000D OK 00000108 00000200 0007E04E 00000000 OK
004F OK 00000400 OK 0007E156 00000000 OK
0181 OK 00000C00 00000C00 000FE400 00000000 OK
01A2 OK 0000007E 00000200 0007EBFA 00000000 OK
01B6 OK 0000069E 00000800 0007EC78 00000000 OK
01B0 OK 00000128 00000200 0007F316 00000000 OK
ROYL directory module 0x020B found at 0x0007D43E
Active directory flag = 0x02
Identifying SA regions ...
Reg# Reg size Reg loc
----------------------------
0x00 0x000A6338 0x000AA497
0x01 0x000A6338 0x00154933
Verifying ROYL modules ...
ID Size (bytes) Address Checksum
dir hdr dir hdr
-----------------------------------------------------
0001 N/A 00004000 N/A 000A5024 N/A
000A OK 0000004E 00000200 0007C000 00000000 OK
000B OK 0000013D 00000200 0007F43E 00000000 OK
020B OK 0000013D 00000200 0007D43E 00000000 OK
0181 OK 00000C00 00000C00 000FE400 00000000 OK
0030 OK 00000400 OK 000FE000 00000000 OK
0047 OK 000006A4 00000800 0007C556 00000000 OK
000D OK 00000108 00000200 0007C04E 00000000 OK
004F OK 00000400 OK 0007C156 00000000 OK
01A2 OK 0000007E 00000200 0007CBFA 00000000 OK
01B6 OK 0000069E 00000800 0007CC78 00000000 OK
01B0 OK 00000128 00000200 0007D316 00000000 OK
dir - Module ID/Size as reported in directory module (0x20B or 0x0B)
hdr - Module ID/Size as reported in module's header
N/A - Not Applicable
BAD - Module has invalid checksum. This may be due to non-existent or uninitialised module.
ROM modules saved to Flash$$$\000Bmods and Flash$$$\020Bmods
Active directory is 0x0B
Analysing active 0x0A module ...
Head map checksum (Expected / Actual) = 0x0000 / 0x0000 - OK
Number of heads (physical / in use) = 4/4
Head map #1 = 0x000F / 0b0000000000001111
Head map #2 = 0x000F / 0b0000000000001111
DCM = | R | N Z 7 A 1 N S
: : : : : : : : : :
: : : : : : : : : unknown
: : : : : : : : top VCM
: : : : : : : ACA
: : : : : : bottom VCM
: : : : : HSA
: : : : media
: : : preamp
: : latch
: base
spindle motor
Analysing active 0x0D module ...
Firmware Version = 01.01A01
World Wide Name = 50014EE608B04EA3
Model Number = WDC WD20SMZW-11YFCS0
Serial Number =
Analysing active 0x4F module ...
ROM version = 0005000J
Analysing active 0x47 module ...
Preamp values
-----------
0 01300573
1 012A057E
2 0130057E
3 012E047E
Microjogs
-------
0 0000
1 0000
2 0000
3 0000
Head/Media DCM = 7Z
September 11th, 2018, 17:59
Offset(h) 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
00000000 52 4F 59 4C 03 80 30 00 DD DD 03 00 A3 F9 49 7A ROYL.€0.ÝÝ..£ùIz
00000010 30 30 30 35 30 30 30 38 07 07 07 00 00 00 55 AA 00050008......Uª
00000020 00 00 A0 04 00 00 00 00 00 00 00 00 00 00 00 00 .. .............
00000030 73 70 30 31 A7 EB 0D C7 3F FA E0 CA 1B 1F E9 6C sp01............
^^ start of block
00000040 ED 65 5E BB F1 B4 30 EE 60 7E 49 36 85 75 8E 73
........
00000120 A9 26 26 77 61 92 DE CA 4C 73 2D 56 55 F1 DF E6
00000130 54 B7 5E E1 00 00 00 00 01 00 01 00
^^ end of block
September 11th, 2018, 18:13
September 11th, 2018, 18:18
September 11th, 2018, 18:28
fzabkar wrote:I used my own tool (plus manual edits), but I gleaned much of the information from research done by NazYura many years ago.
Analysis of the "ROM" code on a Western Digital WD2500BB-55RDA0 PCB:
http://www.hddoracle.com/viewtopic.php?f=59&t=181
Analysis of the "ROM" on a Western Digital ROYL HDD:
http://www.hddoracle.com/viewtopic.php?f=59&t=225
September 27th, 2018, 16:49
Offset(h) 00 02 04 06 08 0A 0C 0E
00000000 524F 594C 0380 3000 DDDD 0700 2F26 01CD ROYL.€0.ÝÝ../&.Í
00000010 3030 3035 3030 3038 0707 0700 0000 55AA 00050008......Uª
00000020 0000 480D 0000 0000 0000 0000 0000 0000 ..H.............
00000030 7370 3031 A7EB 0DC7 3FFA E0CA 1B1F E96C sp01............
September 27th, 2018, 16:54
September 27th, 2018, 17:41
September 27th, 2018, 18:17
fzabkar wrote:This would suggest that the digital signature is not unique to each HDD.
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