Op 20-1-2012 14:39, Bob Cochran schreef:
> which is my immediate goal. I also need to be able to update the
> firmware for an LSISAS1068 chip that is on a PCI Express adapter card, I
> have 3 of these cards to update. Now you see where my motivation comes
> from. Several times a year at least I have a need to learn and
> understand DOS. That is my longer term goal.

I assume LSI has their own update software program for the PCIe cards?

> I will buy some USB flash drives and play with them using the advice you
> give me below.

Updating happens in multiple ways nowadays:
* from Windows (vendor program and vendor BIOS)
* from DOS (vendor program and vendor BIOS)
* from DOS ( "flashrom" opensource program and vendor BIOS )
* from DOS ( "flashrom" opensource program and Coreboot maybe)
* from BIOS (updater built inside, just provide BIOS on USB stick)
* from Linux

If you decide on using DOS for this, and your BIOS has support for USB 
booting, then an USB stick is easiest. Download the "RUFUS" program at
  [ http://pete.akeo.ie/2011/12/rufus-dos-bootable-usb-formatting.html ] 
and simply make your new USB stick bootable by running this program.
(be aware RUFUS erases all current data on the disk)

> One question. When you say that I must copy config.sys, and autoexec.bat
> you also mean I must edit these to load the drivers my system needs
> after the copying, right? For example I will need to edit the copied
> config.sys or autoexec.bat to load eltorito.sys and thereby have access
> to both the CD/DVD drive and USB devices? Since my keyboard is USB based
> this is an important question.

If you're sticking to USB flash disk then all this CD stuff is not 
relevant (unless booting a CD image from USB stick, but that's an 
advanced subject, hehe).

Most computers have by default "BIOS USB Emulation" active and that's 
why any USB keyboard and mouse will usually just work fine in DOS.
(This emulation stays active usually, unless you load other USB drivers 
yourself that take control of the USB controllers and stacks. Often such 
other drivers lack a keyboard driver, which ends up in keypresses not 
being sent to DOS any longer.)


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