On 2/22/2021 9:45 AM, Jim Hall wrote:
5. FDISK lets me create a logical DOS drive in the extended partition
... "Maximum space available for partition is 8 MBytes" -> I hit Enter
on the default value of 8
... this doesn't create a new drive, but instead wipes out the D:
drive to 0 Mbytes and now FAT12.
Yup, that's the point where soft brown matter hits a fast rotating
appliance...
"All available space in the Extended DOS Partition is assigned to
logical drives"
And when I try to exit FDISK, I get this:
pDrive->log_drive[index].start_cyl (0) != extended_cylinder (261)
I hope to get my laptop up and running this morning and then make some
tests with debugging info around that part of the code. It must be
something that isn't calculating the drive geometry right that then
trashes the partition table. Possibly a "long long" required somewhere
where a long is overflowing... 😕
Or what I mentioned before, going by the last message, that a
translation between logical sectors and the expected "physical" drive
geometry is at odds...
Ralf
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