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Partition table for original 32 meg CF card
Partition information from factory original 32 meg SanDisk CF card

New MessagePartition table for original 32 meg CF card (modified 0 times) keith721
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Here's the partition table information from the original 32-megabyte SanDisk CF card inside the factory-original GCT. I obtained this using a Knoppix CD on my laptop with a SanDisk SDDR-31 USB CF reader. The Knoppix system recognized the CF as /dev/sda with four partitions. The fdisk utility displayed this information:

1 head
62 sectors / track
1011 cylinders
Units = 62 * 512 = 31744 bytes

Partition 1
Start cyl 2
End cyl 101
Size 3100

Partition 2 (bootable)
Start cyl 102
End cyl 201
Size 3100

Partition 3
Start cyl 202
End cyl 218
Size 527

Partition 4
Start cyl 219
End cyl 1011
Size 24583

I formatted another 32 meg CF card to match this one, set the bootable partition, and dd'ed the partitions from one to the other. Unfortunately, my GCT didn't like it and never got past the Gateway logo screen. :( I did notice however that the messed-up geometry previously written to this CF card could be corrected with the Linux fdisk utility. When I used fdisk to delete all the partitions and create a new DOS partition table, it returned the CF card to the correct geometry as shown at the beginning of this message. This may be helpful to anyone having problems with CF cards after using them with Windoze XP.

While I'm discussing CF geometry and partition tables, does anyone have this information for the Midori image files available from this board? jsmmd / hardware1 : do you have any idea? Thanks in advance.

03-29-2006 21:29:07

New MessageRE:Partition table for original 32 meg CF card (modified 0 times) keith721
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The DamnSmallLinux wiki has a valuable page regarding USB flash drive geometry.
http://www.damnsmalllinux.org/wiki/index.php/Setting_the_Proper_Geometry_on_your_USB_Pendrive

Using the sfdisk program, apparently you can re-define the Cylinders/Heads/Sectors parameters of a flash drive.

03-30-2006 11:49:40

New MessageRE:Partition table for original 32 meg CF card (modified 0 times) keith721
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I found one of chaezewhiz's original posts regarding his Midori-2003 image. Because it's a Linux dd copy of the entire CF device, it includes all the necessary partition information. Using DamnSmallLinux on my laptop and dd to copy the image to my non-working 32 meg CF card, the GCT boots the older Midori image successfully.
03-31-2006 09:58:18

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