[MinnowBoard] : How does one run MS-DOS on a MinnowBoard MAX (or turbot)?

[Gerard Bucas]

Hi Brian,

That is a really good question! :)

We have a couple of PCB designs which one could consider as MinnowBoard MAX
"derivatives". On one of the designs (PCB) we have a serious problem with
reliable access to the Realtek 8111 NiC, even though "on paper" (schematics,
etc) the two PCB's have the same NiC designs (so in one design everything on
the PCB works perfectly while on the other there seems to be some PCI bus
access issues to the NiC). We have tried different drivers and other OS
level debugging (mainly linux based) but can't seem to isolate the problem
(sometimes lspci will list the Realtek NiC after a reboot and sometimes not
and when it does get detected/listed by lspci, the whole lspci entry is
occasionally corrupted and shows FF FF, etc). Obviously sounds/smells/looks
like a PCI bus problem (differential pair impedance, component differences,
PCB layout differences, etc..) but we can't seem to isolate it. So we would
like to do some "lower level" testing/checking of PCI enumeration and maybe
other PCI debugging tools. One of the tools we wanted to play with runs on
MS-DOS. 

However, someone just pointed me at UEFI app:
https://github.com/JamesAmiTw/ru-uefi/raw/master/5.17.0284.zip 
which should actually be able to run as an EFI app on our normal
minnow-derived firmware/BIOS. So need to check that out as well.

If you have any other ideas or pointers please let me know.

Thanks & Regards

Gerard  

-----Original Message-----
From: elinux-MinnowBoard
[mailto:elinux-minnowboard-bounces at lists.elinux.org] On Behalf Of
Richardson, Brian
Sent: Tuesday, May 3, 2016 8:45 PM
To: MinnowBoard Development and Community Discussion
<elinux-minnowboard at lists.elinux.org>
Subject: Re: [MinnowBoard] : How does one run MS-DOS on a MinnowBoard MAX
(or turbot)?

What is the low-level debugging requirement? Does it need to be run in DOS
or just at a level below the OS?

Thanks ... br
---
Brian Richardson, Senior Technical Marketing Engineer, Intel Software
brian.richardson at intel.com --
http://evangelists.intel.com/bio/Brian_Richardson_ 

-----Original Message-----
From: elinux-MinnowBoard
[mailto:elinux-minnowboard-bounces at lists.elinux.org] On Behalf Of Gerard
Bucas
Sent: Tuesday, May 03, 2016 7:43 PM
To: 'MinnowBoard Development and Community Discussion'
<elinux-minnowboard at lists.elinux.org>
Subject: [MinnowBoard] : How does one run MS-DOS on a MinnowBoard MAX (or
turbot)?

Resent with better subject line....

Does anyone know how one could bot MS-DOS on a MBM/T?

Would like to do this for some low-level debugging we need to do. 

I assume it needs a "legacy BIOS" but from what I read the winzent legacy
BIOS (which is due soon) is not yet available?

Any help would be appreciated!

Regards

Gerard


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