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From: Gordon Weast on 23 Jul 2010 11:00


Nils wrote:
> Gordon Weast <gweast(a)mathworks.com> wrote in message
> <i2c7fs$rin$1(a)fred.mathworks.com>...
>> Nils,
>>
>> The debugging path you can try is:
>>
>> 1. create a boot floppy that will use the serial port for host/target
>> communication. If your machine doesn't have a hard wired floppy
>> drive, then you can usually use a USB floppy to boot from to get
>> the following information. Even though real time performance may
>> suffer if USB is enabled in the BIOS, it is useful for debugging.
>>
>> 2. Once up with serial com, run 'getxpcpci all' and look to see
>> if the Ethernet board is found and where it is. The kernel uses
>> the PCI BIOS routines to search the PCI bus while getxpcpci has
>> it's own search and it may find the board when the BIOS didn't.
>> At least this can help us figure out why the probe is failing.
>>
>> You may also be able to use the baseboard Ethernet if you reenable
>> it in the BIOS and just remove the second board. That does
>> depend on which version of MATLAB and xPC Target you're running.
>> Recent versions support more Ethernet boards and chips.
>>
>> Gordon Weast
>> xPC Target Development
>> The MathWorks
> Thanks for your replies (Walter too, whom I forgot to thank last time)!
>
> I didn't try your trouble-shooting but it seems to work now except for
> that it wont find a harddrive to write to (should be no problem as far
> as I can read).
> The only thing I did was to change the environmental settings by
> changing the adapter index (see my first post) to 0 and THEN burning the
> boot-cd. So 2 things that seems plausible (and what perhaps most of you
> already know):
> 1. What is burned on the boot disc IS dependent on the environmental
> settings at the time you burn the disc.
> 2. The index of the ethernet-card might depend on what cards are
> activated and not on port number. I draw this conclusion since the
> default settings are index = 0 and that I believe the built-in card
> should have the lowest index. Here I of course might be completely off.
> Perhaps someone else can enlighten.
>
> Thanks for your help though!

I'm glad you got it working. The enumeration depends on the BIOS and
different ones do it differently. There really isn't a standard there.

Only FAT32 (or other FAT types) will be found on the disk. Since
Microsoft hasn't released enough information for NTFS access, we
can't support it.

Gordon Weast
xPC Target Development
The MathWorks
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