kony wrote:
> <cbfalconer@yahoo.com> wrote:
>> kony wrote:
>>>
>>... snip ...
>>>
>>> There is no software factor including boot sector viri, which
>>> impede entering the bios menus. The machine has already
>>> demonstrated it is a hardware failure at that point. While it is
>>> /possible/ there is also a software failure, until the initial
>>> hardware failure is resolved it would be premature to assume it.
>>
>> I have to disagree. To illustrate, consider a machine with a
>> pluggable ROM bios. Unnplug the bios. You will no longer be able
>> to boot, or to enter any bios menus, etc. Yet normal operation
>> would be unaffected if you could remove the ROM while running,
>> because normally the entire bios is over-ridden by opsys code.
>>
>> If you just want to say 'unlikely', I will agree.
>
> Remember the system when cold/off, does post and run up
> until the point where it locks up. This means it does read
> and run the bios from the EPROM, but is then instable.
>
> Unplugging the EPROM would make this much impossible, so
> based upon what the system could do, but then where it
> stopped, we have eliminated some things.

Ah, that's different than the scene I envisioned. Conceded.

--
Chuck F (cbfalconer at maineline dot net)
Available for consulting/temporary embedded and systems.
<http://cbfalconer.home.att.net>



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