[syslinux] DiskOnChip problem

[Quitt, Walter]

I keep getting the follwing error when trying to syslinux my DiskOnChip:

ERROR 440D: Unable to lock drive for exclusive access

I tried using the 4.2 and 5.1.4 DiskOnChip utils to format it first.
I've tried 2 PCs and a few different DiskOnChips.
I triied several options and always get the same message,

The DiskOnChips have worked in DOS and Pharlap,
so the Hardware is OK.

Any ideas?

TIA,
Walt....