Re: Running HGST's DFT utility from a flash drive
Reco wrote:
> Hi.
>
> On Tue, Oct 20, 2020 at 09:10:48PM -0400, Celejar wrote:
> > I had started thinking about PXE after my initial post. I tried PXE
> > (from my OpenWrt router) - it was actually fairly easy to setup,
> > following the guide here:
> >
> > https://openwrt.org/docs/guide-user/services/tftp.pxe-server
> >
> > And the thing actually runs! But I get the same errors described here :(
> >
> > https://www.ultimatebootcd.com/forums/viewtopic.php?t=2528
> >
> > To be more precise, here's what I get:
> >
> > **********
> >
> > HIMEM: DOS XMS Driver, Version 3.15 - 05/30/94
> > Extended Memory Specification (XMS) Version 3.0
> > Copyright (C) IBM Corp. 1988, 1994
> >
> > ERROR: Unable to control A20 line!
> > XMS Driver not installed.
> >
> > IBM RAMDrive version 3.10 virtual disk C:
> > RAMDrive: Extended Memory Manager not present
> > HMA not available: Loading DOS low
> > Microsoft (R) Mouse Driver Version 8.20
> > Copyright (C) Microsoft Corp. 1983-1992.
> > Copyright (C) IBM Corp. 1992-1993.
> > Mouse driver installed
> > Loading DFT ...
> >
> > Insert diskette for drive B: and press any key when ready
> >
> > <keypress>
> >
> > Error RAMDRIVE not found or wrong RAMDRIVE size.
> >
> > Insert diskette for drive A: and press any key when ready
> >
> > <keypress>
> >
> > A:\DFT>
> >
> > **********
> >
> > and that's it. Is this just a limitation of memdisk's emulation? Any
> > further ideas?
>
> Hm. Aren't you supposed to execute something from that A:\DFT directory?
> I mean, it booted, successfully mapped memdisk to A:, all is left to
> execute an appropriate .COM/.EXE.
As Reco says: that's a success. You're in a DOS command-line
environment.
New experience: I've never explained DOS commands in terms of
shell commands before; it's always been the other way around.
UNIX systems have a single root; DOS systems have a root on each
filesystem, and filesystems are identified by a letter followed
by a colon. Traditionally A: and B: are removable media and C:
is a hard disk, but it's not mandatory.
Change to a different filesystem root by typing the letter
followed by a colon
c:
ls dir (you want /p for paginate)
cd chdir (later versions allow you to substitute cd)
fsck chkdisk
reset cls clear screen
rm del
cp copy
cp -r xcopy
Go find the executable you need and run it by just typing its
name or its path. Remember the slashes are backwards.
-dsr-
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