Well at last I have it sorted and it works ok, shows up in 'pclinuxos control center'>Local disks>manage disk partitions' and Gparted.
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On a Second new and not yet used memory stick I got for my Daughter at the same time I got mine, I've had a look what 'fdisk' says about the partitions :-
Disk /dev/sde1: 4005 MB, 4005625856 bytes
124 heads, 62 sectors/track, 1017 cylinders
Units = cylinders of 7688 * 512 = 3936256 bytes
Disk identifier: 0x2c6b7369
This doesn't look like a partition table
Probably you selected the wrong device.
Device Boot Start End Blocks Id System
/dev/sde1p1 ? 251825 492702 925929529+ 68 Unknown
Partition 1 has different physical/logical beginnings (non-Linux?):
phys=(116, 100, 32) logical=(251824, 86, 29)
Partition 1 has different physical/logical endings:
phys=(288, 101, 46) logical=(492701, 32, 59)
Partition 1 does not end on cylinder boundary.
/dev/sde1p2 ? 173021 243128 269488144 79 Unknown
Partition 2 has different physical/logical beginnings (non-Linux?):
phys=(357, 32, 43) logical=(173020, 103, 47)
Partition 2 has different physical/logical endings:
phys=(0, 13, 10) logical=(243127, 1, 42)
Partition 2 does not end on cylinder boundary.
/dev/sde1p3 ? 70108 251997 699181456 53 OnTrack DM6 Aux3
Partition 3 has different physical/logical beginnings (non-Linux?):
phys=(345, 32, 19) logical=(70107, 109, 18)
Partition 3 has different physical/logical endings:
phys=(324, 77, 19) logical=(251996, 113, 49)
Partition 3 does not end on cylinder boundary.
/dev/sde1p4 ? 181404 181406 10668+ 49 Unknown
Partition 4 has different physical/logical beginnings (non-Linux?):
phys=(87, 1, 0) logical=(181403, 22, 36)
Partition 4 has different physical/logical endings:
phys=(335, 78, 2) logical=(181405, 118, 44)
Partition 4 does not end on cylinder boundary.
Partition table entries are not in disk order
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Running 'Gparted' (which crashes) from a Terminal I get this for this second stick :-
# gparted
======================
libparted : 2.2
======================
WARNING: the kernel failed to re-read the partition table on /dev/sda (Device or resource busy). As a result, it may not reflect all of your changes until after reboot.
Can't have a partition outside the disk!
WARNING: the kernel failed to re-read the partition table on /dev/sdd (Device or resource busy). As a result, it may not reflect all of your changes until after reboot.
Backtrace has 16 calls on stack:
16: /usr/lib/libparted.so.0(ped_assert+0x29) [0xb7777b29]
15: /usr/lib/libparted.so.0 [0xb77accd5]
14: /usr/lib/libparted.so.0 [0xb77adb47]
13: /usr/lib/libparted.so.0 [0xb77aef2a]
12: /usr/lib/libparted.so.0 [0xb777c4be]
11: /usr/lib/libparted.so.0(ped_disk_add_partition+0x271) [0xb777fe11]
10: /usr/lib/libparted.so.0 [0xb77b0851]
9: /usr/lib/libparted.so.0 [0xb77b0a6e]
8: /usr/lib/libparted.so.0(ped_disk_new+0x79) [0xb7780c49]
7: /usr/sbin/gpartedbin [0x80901de]
6: /usr/sbin/gpartedbin [0x80a0b76]
5: /usr/sbin/gpartedbin [0x80c3b10]
4: /usr/lib/libglibmm-2.4.so.1 [0xb6e5fb02]
3: /usr/lib/libglib-2.0.so.0 [0xb65a2744]
2: /lib/i686/libpthread.so.0 [0xb6643885]
1: /lib/i686/libc.so.6(clone+0x5e) [0xb637657e]
Assertion (head_size <= 63) at dos.c:659 in function probe_partition_for_geom() failed.
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Using a virtual XP computer, the second stick shows up as FAT32 with no files / hidden files on it.
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With my Daughter using PCLinuxOS on her Laptop I will show her how to sort her new memory stick out now I have learn't so she can learn.
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Thanks for your help.
Edit .. I have changed the title of the post to help others with a search. 8)