On Thu, 24 Nov 2011, Robert wrote:
[robert@dell64] ~> sudo gpart destroy -F da1
da1 destroyed
[robert@dell64] ~> fdisk /dev/da1
******* Working on device /dev/da1 *******
parameters extracted from in-core disklabel are:
cylinders=29 heads=64 sectors/track=32 (2048 blks/cyl)
parameters to be used for BIOS calculations are:
cylinders=29 heads=64 sectors/track=32 (2048 blks/cyl)
fdisk: invalid fdisk partition table found
The partition table was cleared.
Media sector size is 512
Warning: BIOS sector numbering starts with sector 1
Information from DOS bootblock is:
The data for partition 1 is:
sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD)
start 32, size 59360 (28 Meg), flag 80 (active)
beg: cyl 0/ head 1/ sector 1;
end: cyl 28/ head 63/ sector 32
And it starts with a default table equal to the size of the drive.
I see the flashing lights like it is writing to the CF card but nothing
changes.
More suggestions welcome. These are quite expensive CF cards.
The dd/fdisk and gpart results show the same problem, so it likely isn't
in the partitioning.
Do both cards report the same size?
I found recently that there is some oddness with certain Sandisk flash
memory that made it non-responsive to anything. FreeBSD couldn't do a
thing with it. Before throwing it away, I tried it on a Windows Vista
system... which recognized and formatted it without a complaint. Now it
works on everything. Special vendor-specific code in Windows?
Another option would be to attempt formatting the cards with a camera.
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