Hi Nicholas! Please be a bit more careful...

> I've got xmsdsk set up to make a 32 MB RAMdisk.
> When I try to do anything with said
> ramdisk I get an error message, similar to "XMSDsk" or "MS-RAMDRIVE" and
> "DOS PART: SECTOR NOT FOUND"

No helpful error description. Try using
- other XMS drivers: FDXMS, FDXXMS, HIMEM, HIMEM64, DR-DOS EMM386 with builtin
  XMS driver...
- other RAMDISK drivers: XMSDSK, TDSK, BITDISK, RAMDRIVE...

> ... a way I can use FreeDOS's sys command to write
> a floppy bootsector to say a file?

SYS can write a boot sector to a file. Read the SYS /? output.
SYS will be able to update the boot sector of a disk image, I hope.

> ... I don't
> know WHAT version of FreeDOS it is

VER /R will help you.

> FreeCom version 0.82 pl 3 XMS_Swap [Dec 10 2003 06:49:21]

This is the newest stable version. There is an experimental 0.82pl3e, too.

I think you tried something weird, like booting from ramdisk or creating
a disk image by using the ramdisk. While this would be fun to do, I think
it will not work with any DOS yet, nor with current DISKCOPY...!?

The only known problem with ANY ramdisk for me is some possible kernel bug:
When LCD (interactive change dir) touches the ramdisk, it crashes (returns
to the prompt without changing dir). When a program like the Jazz Jackrabbit
game which uses DPMI16BI is loaded and a ramdisk is merely present, the
program crashes, too. I think FreeDOS does not support some sort of "get disk
status" for RAMDISKs yet, or maybe something bad is happening with XMS and A20.

Sorry, I could not find out what exactly causes the problem, but it has been
like that for a long time :-(. Maybe somebody with several XMS drivers and
ramdisks or even an EMS ramdisk and a protected mode
software compatible EMM386 and some creativity can find out more.

Eric.


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