But when reading/decoding the disks with Kryoflux or the DTC tool, it is unable to read a number of sectors towards the end of the disk.
If anyone cares to take a closer look, I've posted one of the disk images here:
http://s000.tinyupload.com/index.php?fi ... 1661112918
sample DTC log:
Code: Select all
dtc -m1 -fcorstar2\track -i0 -oe39 -ftest.img -i4 -e39
KryoFlux DiskTool Console, v2.51_Win32, uiv.1, Oct 29 2014, 16:45:42
(c) 2009-2014 KryoFlux Products & Services Ltd.
Developed by The Software Preservation Society, www.softpres.org
Licensed for private, non-commercial use only.
Stream file: corstar2\track
00.0 : frev: 38944, drift: 0.050 us, tfer: 186466 B/s, rpm: 300.239
00.0 : base: 1.993 us [99.444%], band: 3.977 us, 5.978 us, 7.945 us
00.0 : MFM: OK, trk: 000, sec: 8
00.1 : frev: 39068, drift: 0.549 us, tfer: 187944 B/s, rpm: 300.240
00.1 : base: 1.994 us [99.675%], band: 3.974 us, 5.982 us, 7.985 us
00.1 : MFM: OK, trk: 000, sec: 8
01.0 : frev: 39591, drift: 0.433 us, tfer: 189523 B/s, rpm: 300.238
01.0 : base: 1.997 us [99.898%], band: 3.992 us, 5.992 us, 8.003 us
01.0 : MFM: OK, trk: 001, sec: 8
01.1 : frev: 39692, drift: 0.508 us, tfer: 191076 B/s, rpm: 300.241
01.1 : base: 2.002 us [99.866%], band: 3.994 us, 6.005 us, 8.013 us
01.1 : MFM: OK, trk: 001, sec: 8
02.0 : frev: 39494, drift: 0.658 us, tfer: 189158 B/s, rpm: 300.240
02.0 : base: 1.999 us [99.904%], band: 3.994 us, 5.996 us, 8.007 us
02.0 : MFM: OK, trk: 002, sec: 8
02.1 : frev: 39650, drift: 0.666 us, tfer: 190758 B/s, rpm: 300.239
02.1 : base: 1.999 us [99.833%], band: 3.987 us, 5.998 us, 7.986 us
02.1 : MFM: OK, trk: 002, sec: 8
03.0 : frev: 39386, drift: 0.325 us, tfer: 188614 B/s, rpm: 300.239
03.0 : base: 1.998 us [99.910%], band: 3.991 us, 5.995 us, 7.998 us
03.0 : MFM: OK, trk: 003, sec: 8
03.1 : frev: 39371, drift: 0.941 us, tfer: 189497 B/s, rpm: 300.243
03.1 : base: 2.001 us [99.853%], band: 3.985 us, 6.002 us, 7.991 us
03.1 : MFM: OK, trk: 003, sec: 8
04.0 : frev: 39414, drift: 0.158 us, tfer: 188795 B/s, rpm: 300.241
04.0 : base: 2.001 us [99.923%], band: 3.994 us, 6.003 us, 8.005 us
04.0 : MFM: OK, trk: 004, sec: 8
04.1 : frev: 39486, drift: 0.874 us, tfer: 189968 B/s, rpm: 300.241
04.1 : base: 2.000 us [99.897%], band: 3.988 us, 6.000 us, 8.006 us
04.1 : MFM: OK, trk: 004, sec: 8
05.0 : frev: 39553, drift: 0.325 us, tfer: 189341 B/s, rpm: 300.242
05.0 : base: 2.002 us [99.815%], band: 3.993 us, 6.005 us, 8.022 us
05.0 : MFM: OK, trk: 005, sec: 8
05.1 : frev: 39486, drift: 0.474 us, tfer: 189968 B/s, rpm: 300.242
05.1 : base: 2.002 us [99.816%], band: 3.991 us, 6.006 us, 8.018 us
05.1 : MFM: OK, trk: 005, sec: 8
06.0 : frev: 39540, drift: 0.499 us, tfer: 189341 B/s, rpm: 300.242
06.0 : base: 1.999 us [99.885%], band: 3.992 us, 5.996 us, 8.009 us
06.0 : MFM: OK, trk: 006, sec: 8
06.1 : frev: 39438, drift: 0.566 us, tfer: 189811 B/s, rpm: 300.242
06.1 : base: 2.003 us [99.871%], band: 3.988 us, 6.009 us, 8.002 us
06.1 : MFM: OK, trk: 006, sec: 8
07.0 : frev: 39623, drift: 0.175 us, tfer: 189706 B/s, rpm: 300.242
07.0 : base: 2.003 us [99.904%], band: 3.995 us, 6.009 us, 8.003 us
07.0 : MFM: OK, trk: 007, sec: 8
07.1 : frev: 39526, drift: 0.300 us, tfer: 190126 B/s, rpm: 300.242
07.1 : base: 2.000 us [99.854%], band: 3.991 us, 5.999 us, 8.017 us
07.1 : MFM: OK, trk: 007, sec: 8
08.0 : frev: 39514, drift: 0.724 us, tfer: 189158 B/s, rpm: 300.242
08.0 : base: 2.003 us [99.855%], band: 3.995 us, 6.010 us, 8.011 us
08.0 : MFM: OK, trk: 008, sec: 8
08.1 : frev: 39597, drift: 0.891 us, tfer: 190441 B/s, rpm: 300.244
08.1 : base: 2.004 us [99.724%], band: 3.994 us, 6.013 us, 8.030 us
08.1 : MFM: OK, trk: 008, sec: 8
09.0 : frev: 39486, drift: 0.042 us, tfer: 189158 B/s, rpm: 300.242
09.0 : base: 2.003 us [99.804%], band: 3.996 us, 6.008 us, 8.024 us
09.0 : MFM: OK, trk: 009, sec: 8
09.1 : frev: 39654, drift: 0.566 us, tfer: 190758 B/s, rpm: 300.242
09.1 : base: 2.003 us [99.781%], band: 3.995 us, 6.009 us, 8.026 us
09.1 : MFM: OK, trk: 009, sec: 8
10.0 : frev: 39610, drift: 0.083 us, tfer: 189706 B/s, rpm: 300.242
10.0 : base: 2.002 us [99.802%], band: 3.997 us, 6.007 us, 8.026 us
10.0 : MFM: OK, trk: 010, sec: 8
10.1 : frev: 39536, drift: 0.150 us, tfer: 190283 B/s, rpm: 300.242
10.1 : base: 2.003 us [99.815%], band: 3.994 us, 6.008 us, 8.019 us
10.1 : MFM: OK, trk: 010, sec: 8
11.0 : frev: 39750, drift: 0.308 us, tfer: 190257 B/s, rpm: 300.242
11.0 : base: 2.002 us [99.815%], band: 3.996 us, 6.005 us, 8.025 us
11.0 : MFM: OK, trk: 011, sec: 8
11.1 : frev: 39545, drift: 0.308 us, tfer: 190283 B/s, rpm: 300.243
11.1 : base: 2.004 us [99.814%], band: 3.995 us, 6.013 us, 8.016 us
11.1 : MFM: OK, trk: 011, sec: 8
12.0 : frev: 39353, drift: 0.874 us, tfer: 188433 B/s, rpm: 300.243
12.0 : base: 2.002 us [99.891%], band: 3.996 us, 6.006 us, 8.010 us
12.0 : MFM: OK, trk: 012, sec: 8
12.1 : frev: 39552, drift: 0.117 us, tfer: 190283 B/s, rpm: 300.242
12.1 : base: 2.003 us [99.725%], band: 3.995 us, 6.010 us, 8.035 us
12.1 : MFM: OK, trk: 012, sec: 8
13.0 : frev: 39456, drift: 0.166 us, tfer: 188976 B/s, rpm: 300.242
13.0 : base: 2.003 us [99.794%], band: 3.997 us, 6.008 us, 8.026 us
13.0 : MFM: OK, trk: 013, sec: 8
13.1 : frev: 39714, drift: 0.649 us, tfer: 191076 B/s, rpm: 300.243
13.1 : base: 2.005 us [99.609%], band: 3.995 us, 6.015 us, 8.051 us
13.1 : MFM: OK, trk: 013, sec: 8
14.0 : frev: 39588, drift: 0.466 us, tfer: 189523 B/s, rpm: 300.243
14.0 : base: 2.003 us [99.805%], band: 3.997 us, 6.008 us, 8.024 us
14.0 : MFM: OK, trk: 014, sec: 8
14.1 : frev: 39594, drift: 0.291 us, tfer: 190600 B/s, rpm: 300.242
14.1 : base: 2.005 us [99.821%], band: 3.991 us, 6.014 us, 8.010 us
14.1 : MFM: OK, trk: 014, sec: 8
15.0 : frev: 39452, drift: 0.491 us, tfer: 188976 B/s, rpm: 300.240
15.0 : base: 2.003 us [99.840%], band: 3.993 us, 6.008 us, 8.014 us
15.0 : MFM: OK, trk: 015, sec: 8
15.1 : frev: 39514, drift: 0.807 us, tfer: 190126 B/s, rpm: 300.243
15.1 : base: 2.003 us [99.847%], band: 3.986 us, 6.008 us, 7.995 us
15.1 : MFM: OK, trk: 015, sec: 8
16.0 : frev: 39612, drift: 0.083 us, tfer: 189706 B/s, rpm: 300.241
16.0 : base: 1.999 us [99.777%], band: 3.991 us, 5.998 us, 8.029 us
16.0 : MFM: OK, trk: 016, sec: 8
16.1 : frev: 39445, drift: 0.408 us, tfer: 189811 B/s, rpm: 300.242
16.1 : base: 2.005 us [99.867%], band: 3.995 us, 6.016 us, 8.003 us
16.1 : MFM: OK, trk: 016, sec: 8
17.0 : frev: 39546, drift: 0.566 us, tfer: 189341 B/s, rpm: 300.241
17.0 : base: 2.003 us [99.845%], band: 3.993 us, 6.010 us, 7.989 us
17.0 : MFM: OK, trk: 017, sec: 8
17.1 : frev: 39580, drift: 0.982 us, tfer: 190441 B/s, rpm: 300.241
17.1 : base: 2.005 us [99.729%], band: 3.993 us, 6.014 us, 8.028 us
17.1 : MFM: OK, trk: 017, sec: 8
18.0 : frev: 39596, drift: 0.591 us, tfer: 189706 B/s, rpm: 300.241
18.0 : base: 2.003 us [99.836%], band: 3.995 us, 6.009 us, 8.016 us
18.0 : MFM: OK, trk: 018, sec: 8
18.1 : frev: 39374, drift: 0.108 us, tfer: 189497 B/s, rpm: 300.242
18.1 : base: 2.004 us [99.801%], band: 3.993 us, 6.013 us, 8.016 us
18.1 : MFM: OK, trk: 018, sec: 8
19.0 : frev: 39445, drift: 0.699 us, tfer: 188976 B/s, rpm: 300.243
19.0 : base: 2.004 us [99.824%], band: 3.996 us, 6.012 us, 8.016 us
19.0 : MFM: OK, trk: 019, sec: 8
19.1 : frev: 39280, drift: 0.133 us, tfer: 189028 B/s, rpm: 300.243
19.1 : base: 2.006 us [99.861%], band: 3.994 us, 6.019 us, 8.000 us
19.1 : MFM: OK, trk: 019, sec: 8
20.0 : frev: 39476, drift: 0.508 us, tfer: 188976 B/s, rpm: 300.242
20.0 : base: 2.003 us [99.880%], band: 3.989 us, 6.008 us, 8.003 us
20.0 : MFM: OK, trk: 020, sec: 8
20.1 : frev: 39326, drift: 0.549 us, tfer: 189184 B/s, rpm: 300.242
20.1 : base: 2.004 us [99.731%], band: 3.983 us, 6.011 us, 8.021 us
20.1 : MFM: OK, trk: 020, sec: 8
21.0 : frev: 39396, drift: 2.114 us, tfer: 188795 B/s, rpm: 300.241
21.0 : base: 2.002 us [99.798%], band: 3.988 us, 6.005 us, 8.019 us
21.0 : MFM: OK, trk: 021, sec: 8
21.1 : frev: 39516, drift: 0.583 us, tfer: 190126 B/s, rpm: 300.242
21.1 : base: 2.005 us [99.776%], band: 3.984 us, 6.014 us, 8.010 us
21.1 : MFM: OK, trk: 021, sec: 8
22.0 : frev: 39586, drift: 0.533 us, tfer: 189523 B/s, rpm: 300.240
22.0 : base: 2.006 us [99.818%], band: 3.994 us, 6.018 us, 7.991 us
22.0 : MFM: OK, trk: 022, sec: 8
22.1 : frev: 39624, drift: 0.117 us, tfer: 190758 B/s, rpm: 300.243
22.1 : base: 2.006 us [99.810%], band: 3.987 us, 6.017 us, 8.004 us
22.1 : MFM: OK, trk: 022, sec: 8
23.0 : frev: 39868, drift: 0.291 us, tfer: 190811 B/s, rpm: 300.240
23.0 : base: 2.004 us [99.826%], band: 3.992 us, 6.012 us, 8.012 us
23.0 : MFM: OK, trk: 023, sec: 8
23.1 : frev: 39790, drift: 0.075 us, tfer: 191555 B/s, rpm: 300.243
23.1 : base: 2.007 us [99.758%], band: 3.983 us, 6.020 us, 8.006 us
23.1 : MFM: OK, trk: 023, sec: 8
24.0 : frev: 39762, drift: 0.583 us, tfer: 190441 B/s, rpm: 300.241
24.0 : base: 2.002 us [99.842%], band: 3.992 us, 6.007 us, 8.014 us
24.0 : MFM: OK, trk: 024, sec: 8
24.1 : frev: 39411, drift: 0.225 us, tfer: 189654 B/s, rpm: 300.241
24.1 : base: 2.008 us [99.778%], band: 3.983 us, 6.023 us, 8.001 us
24.1 : MFM: OK, trk: 024, sec: 8
25.0 : frev: 39374, drift: 0.092 us, tfer: 188614 B/s, rpm: 300.242
25.0 : base: 2.005 us [99.650%], band: 3.990 us, 6.015 us, 8.038 us
25.0 : MFM: OK, trk: 025, sec: 8
25.1 : frev: 39542, drift: 0.133 us, tfer: 190283 B/s, rpm: 300.242
25.1 : base: 2.007 us [99.670%], band: 3.984 us, 6.020 us, 8.023 us
25.1 : MFM: OK, trk: 025, sec: 8
26.0 : frev: 39628, drift: 0.899 us, tfer: 189706 B/s, rpm: 300.241
26.0 : base: 2.002 us [99.817%], band: 3.983 us, 6.005 us, 7.989 us
26.0 : MFM: OK, trk: 026, sec: 8
26.1 : frev: 39686, drift: 0.108 us, tfer: 190917 B/s, rpm: 300.242
26.1 : base: 2.007 us [99.768%], band: 3.979 us, 6.020 us, 7.999 us
26.1 : MFM: OK, trk: 026, sec: 8
27.0 : frev: 39634, drift: 0.624 us, tfer: 189889 B/s, rpm: 300.241
27.0 : base: 2.001 us [99.727%], band: 3.976 us, 6.004 us, 7.980 us
27.0 : MFM: OK, trk: 027, sec: 8
27.1 : frev: 39647, drift: 0.142 us, tfer: 190758 B/s, rpm: 300.243
27.1 : base: 2.003 us [99.753%], band: 3.974 us, 6.009 us, 8.009 us
27.1 : MFM: OK, trk: 027, sec: 8
28.0 : frev: 39662, drift: 0.158 us, tfer: 189889 B/s, rpm: 300.242
28.0 : base: 2.000 us [99.836%], band: 3.976 us, 6.000 us, 8.005 us
28.0 : MFM: OK, trk: 028, sec: 8
28.1 : frev: 39508, drift: 0.266 us, tfer: 190126 B/s, rpm: 300.242
28.1 : base: 2.004 us [99.729%], band: 3.973 us, 6.011 us, 7.989 us
28.1 : MFM: OK, trk: 028, sec: 8
29.0 : frev: 39706, drift: 0.433 us, tfer: 190073 B/s, rpm: 300.244
29.0 : base: 2.000 us [99.738%], band: 3.978 us, 6.001 us, 7.976 us
29.0 : MFM: OK, trk: 029, sec: 8
29.1 : frev: 39874, drift: 0.300 us, tfer: 191876 B/s, rpm: 300.243
29.1 : base: 2.002 us [99.742%], band: 3.972 us, 6.006 us, 8.012 us
29.1 : MFM: OK, trk: 029, sec: 8
30.0 : frev: 39964, drift: 0.050 us, tfer: 191369 B/s, rpm: 300.242
30.0 : base: 2.001 us [99.776%], band: 3.975 us, 6.004 us, 8.011 us
30.0 : MFM: OK, trk: 030, sec: 8
30.1 : frev: 39793, drift: 0.491 us, tfer: 191395 B/s, rpm: 300.241
30.1 : base: 2.005 us [99.688%], band: 3.969 us, 6.016 us, 8.009 us
30.1 : MFM: OK, trk: 030, sec: 8
31.0 : frev: 39792, drift: 0.799 us, tfer: 190626 B/s, rpm: 300.243
31.0 : base: 2.003 us [99.709%], band: 3.976 us, 6.009 us, 8.020 us
31.0 : MFM: OK, trk: 031, sec: 8
31.1 : frev: 39842, drift: 0.574 us, tfer: 191715 B/s, rpm: 300.243
31.1 : base: 2.006 us [99.680%], band: 3.972 us, 6.019 us, 8.010 us
31.1 : MFM: OK, trk: 031, sec: 8
32.0 : frev: 40096, drift: 0.092 us, tfer: 192520 B/s, rpm: 300.242
32.0 : base: 2.004 us [99.652%], band: 3.979 us, 6.013 us, 8.028 us
32.0 : MFM: OK, trk: 032, sec: 8
32.1 : frev: 40207, drift: 0.092 us, tfer: 193495 B/s, rpm: 300.242
32.1 : base: 2.008 us [99.501%], band: 3.976 us, 6.023 us, 8.043 us
32.1 : MFM: OK, trk: 032, sec: 8
33.0 : frev: 40060, drift: 0.058 us, tfer: 192359 B/s, rpm: 300.241
33.0 : base: 2.003 us [99.681%], band: 3.979 us, 6.009 us, 8.028 us
33.0 : MFM: OK, trk: 033, sec: 8
33.1 : frev: 40148, drift: 0.083 us, tfer: 193169 B/s, rpm: 300.241
33.1 : base: 2.008 us [99.703%], band: 3.976 us, 6.025 us, 7.995 us
33.1 : MFM: OK, trk: 033, sec: 8
34.0 : frev: 40100, drift: 0.508 us, tfer: 192520 B/s, rpm: 300.240
34.0 : base: 2.004 us [99.747%], band: 3.979 us, 6.012 us, 8.012 us
34.0 : MFM: OK, trk: 034, sec: 8
34.1 : frev: 40028, drift: 0.117 us, tfer: 192682 B/s, rpm: 300.242
34.1 : base: 2.009 us [99.639%], band: 3.974 us, 6.026 us, 8.013 us
34.1 : MFM: OK, trk: 034, sec: 8
35.0 : frev: 40051, drift: 0.316 us, tfer: 192359 B/s, rpm: 300.242
35.0 : base: 2.004 us [99.698%], band: 3.976 us, 6.013 us, 8.018 us
35.0 : MFM: OK, trk: 035, sec: 8
35.1 : frev: 39892, drift: 0.533 us, tfer: 192036 B/s, rpm: 300.241
35.1 : base: 2.012 us [99.531%], band: 3.970 us, 6.035 us, 8.020 us
35.1 : MFM: OK, trk: 035, sec: 8
36.0 : frev: 40048, drift: 0.674 us, tfer: 192359 B/s, rpm: 300.243
36.0 : base: 2.004 us [99.640%], band: 3.973 us, 6.011 us, 8.028 us
36.0 : MFM: OK, trk: 036, sec: 8
36.1 : frev: 39780, drift: 0.541 us, tfer: 191395 B/s, rpm: 300.241
36.1 : base: 2.009 us [99.479%], band: 3.968 us, 6.027 us, 8.035 us
36.1 : MFM: <error>, trk: 036, sec: 8, bad: 1
37.0 : frev: 39710, drift: 0.033 us, tfer: 190073 B/s, rpm: 300.241
37.0 : base: 2.009 us [99.641%], band: 3.982 us, 6.028 us, 8.019 us
37.0 : MFM: OK, trk: 037, sec: 8
37.1 : frev: 39808, drift: 0.083 us, tfer: 191555 B/s, rpm: 300.241
37.1 : base: 2.015 us [99.471%], band: 3.978 us, 6.045 us, 8.028 us
37.1 : MFM: <error>, trk: 037, sec: 8, bad: 2
38.0 : frev: 39590, drift: 0.075 us, tfer: 189523 B/s, rpm: 300.241
38.0 : base: 2.011 us [99.524%], band: 3.983 us, 6.034 us, 8.034 us
38.0 : MFM: OK, trk: 038, sec: 8
38.1 : frev: 38840, drift: 0.874 us, tfer: 186872 B/s, rpm: 300.242
38.1 : base: 2.013 us [65.411%], band: 3.915 us, 6.040 us, 7.199 us?
38.1 : MFM: <error>, trk: 038, sec: 8, bad: 4
39.0 : frev: 37823, drift: 0.416 us, tfer: 181306 B/s, rpm: 300.241
39.0 : base: 2.010 us [98.690%], band: 3.893 us, 6.029 us, 8.100 us
39.0 : MFM: OK, trk: 039, sec: 8
39.1 : frev: 37792, drift: 0.133 us, tfer: 181139 B/s, rpm: 300.242
39.1 : base: 2.016 us [98.753%], band: 3.854 us, 6.049 us, 7.971 us
39.1 : MFM: <error>, trk: 039, sec: 8, bad: 4, *I
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36.1 : Bad sector found
36.1 : Read operation failed
37.1 : Bad sector found
37.1 : Read operation failed
38.1 : Bad sector found
38.1 : Read operation failed
39.1 : Bad sector found
39.1 : Read operation failed