Accessing BIOS information on a running system

[me-5yx05kfkO/aqeI1yJSURBw at public.gmane.org (Matthew Gillen)]

On 03/31/2010 10:44 AM, Jerry Feldman wrote:
> I have 2 Intel whitebox systems and one system is beeping (4 beeps). I'm
> not sure what exactly the 4 beeps mean as I don't have a BIOS manual for
> the system (Intel Whitebox). I do have access to 2 similar running
> systems, but I don't really know what the motherboard or BIOS is. This
> particular system has been unwell for a while since it was reporting
> only 3 CPUs out of 4. If it is memory, I can probably fix that since I
> have a bunch of 1GB sticks.
> 
> In any case, before I accidentally drop the system out the window onto
> the Riverside station, I want to try to figure out exactly what the 4
> beep error code means on this system, but I need to know whose BIOS is
> in there.

dmidecode

It will give you more info than you ever wanted to know.

Matt