[BIOS] hot plug / cold plug

Mathieu Deschamps mdeschamps at mangrove-systems.com
Wed Apr 21 10:36:01 CEST 2004

Le mer 21/04/2004 à 16:57, Ronald G. Minnich a écrit :
> On 21 Apr 2004, Mathieu Deschamps wrote:
> >      half a millimeter between chip pins and a working motherboard :
> > what if i'am a bit stress and lift up badly the chip ? I got the
> > answer...
> ah! the problem! 
> go to your friendly Radio Shack (I have seem them in France, is that your 
> location?) and get the PLCC puller. It's a great cheap tool and it is 
> almost IMPOSSIBLE to hurt anything with it!
	Well, I've just gone to their internet site a few minute ago.
	But you know now it has gone farther than a simple question a 
	harm. It's a question of safety, and of comfort  
> > 1. why not building a flash_rom util which could send bios code steam
> > via LTP, COM or USB, PCI  : the aim not to touch the "working" bios(even
> > though its not needed after boot time) . Plusvalue of this : Cold plug :
> > Make a backup copy for example
> It's a great idea but what are you going to hook that USB port to? a $400 
> programmer, that's what. That's the problem.

> > 2. trying to disconnect/diswire bios socket from the up mainboard (that
> > is to say to get 0v on every pin of the socket) . Ideal view (mb
> > manufacturers !) : get a jumper to handle this 
> I don't think you can get them to do it.
	I alone surely not ! If the demand exists the offer will
	except if them, don't want it, but why would they ?.
	It not new that the comfort of use and customization is a true
	plusvalue in computing and in electronics (hardware). Maybe it
	could appear to be just "tuning" but not only.
> 3 ... err .. run dry
> hot plug.
	I can't help thinking that working on same
        bios that went up is a bad idea (in ref of: 	
	never build in the source directory).
	Promise I stop doing my hammer head :)
	I'll stop bother with it :
	I'll go hot pluging because i've now understood 
	there's no other alternative.
> ron
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