Gerry Hickman schreef:
Perhaps the simple solution is to have a SYS command line switch, that
allows the end-user to install a 512b boot sector of their choice to the
target partition? This would get round any copyright issues and make it
very flexible. I don't think this is possible with the current SYS 3.6
version (unless someone knows different).
Bootsectors contain geometry (disk/partition layout information) which
can change.
So this is all a matter of just copying bootsectors and omitting system
files, it seems.
Try installing Windows, still get "dual boot" behaviour:(
OK, FD FORMAT + FD SYS.
Missing only 2 cases now:
*FD FORMAT, then restore MS bootsector
( first do SYS C: /DUMPBS A:\BACKUP.BIN )
( after format do:
SYS C: /RESTORBS A:\BACKUP.BIN )
This gets you a FDOS filesystem but with MS bootsector
*MS FORMAT, then run SYS C: /BOOTONLY /OEM:MS
this gets you a MS filesystem but with FreeDOS bootsector
Test 2 - Mixed FreeDOS and MS-DOS (this works)
FDISK /delete /pri:2
FDISK /prio:2000
FDISK /activate /pri:2
<reboot into MS-DOS from floppy>
MS FORMAT c: (Note this is MS-DOS Format!)
this installs MS bootsector.
<reboot to newly created active primary as a test>
* Get "Non System Disk or disk error, replace and press any key when
ready" *
Try installing Windows, everything works perfectly
So there we are. For some reason /OEM:MS does not appear to perfectly
mirror the use of MS-DOS FORMAT command.
Still 2 different cases tested by you:
*FD FORMAT + SYS C: /BOOTONLY /OEM:MS
*MS FORMAT (installs MS bootsector).
There's a small chance FD FORMAT creates a slightly different filesystem
compared to MS FORMAT. Add to that the 2 different bootsectors, and that
might explain things then.
I admire your testing efforts :)
Bernd
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