From: vwheeler 

I just tried it with Acronis Disk Editor running in W2KPro. I saved cyl 0
head 0 sector 1 to a file then copied the binary data in the file to a
different USB drive. The Acronis boot CD also sees my USB drives.


Randall Parker wrote:
> A friend and I use the Phar Lap real-time OS ETS for some embedded work.
> We need to modify the USB compact flash boot sector as part of making a
> compact flash disk capable of booting the real-time OS.
>
> Phar Lap provides a utility that will run on Win9x and WinME to modify
> the boot sector to put their stuff on it. But that doesn't work with
> NT/Win2k/XP. Phar Lap is working on a solution but I am looking for a
> work-around to use now.
>
> So here's ny first idea: Is there some kind of low level copy command
> that will copy from one compact flash disk to another?
>
> Second idea: Is there a way to copy from a file which is a image of a
> flash disk and  copy that low-level onto the flash disk and thereby
> update the boot sector?
>
> Third idea: The error dialog box we get running the old Pharl Lap
> utility says "16 bit MS DOS subsystem  ... An application has attempted
> to directly access the hard disk which can not be supported". Is there
> any way to enable Win2k or WinXP to allow this call to succeed?
>
> Fourth idea: How could I read the contents of a Phar Lap formatted disk
> to get their modification and then use that in a little program of my
> own which is compatible with Win2k and XP to do the same thing as they do?
>

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