Date: Wed, 30 Mar 2005 08:29:28 -0800 (PST) From: John Musielewicz <[EMAIL PROTECTED]> Subject: Re: [LIB] Please Help Me With New Hard Drive Install
see below --- Raymond <[EMAIL PROTECTED]> wrote: > Date: Thu, 31 Mar 2005 00:50:55 +1000 > From: Raymond <[EMAIL PROTECTED]> > Subject: Re: [LIB] Please Help Me With New Hard > Drive Install > > Remember, the Libretto 100/110 laptops have TWO > modes of hibernation. The first > is the operating system specific hibernation - > Windows 2000 for instance > hibernates into c:\hiberfil.sys by default. In such yes win2000 and xp use this method > a case, yes you are > correct, there is no overwriting sectors around the > 8GB boundary as Windows > 2000 (and in fact you don't need to leave any space > in any particular location > on the drive as long as the file exists in C and is > taking up that space). > > Unfortunately, being a somewhat older machine, the > Libretto 100/110 on occasions > will perform an "old style" BIOS hibernation, which > writes at the 1010-1040 > cylinder area (actually somewhat inside that area, > can't remember the exact > figures). Situations where it will do so include, if > the processor begins to > overheat or if the battery starts to die (and for > whatever reason the operating > system doesn't intercept this and do something about > it first). In fact, if the > laptop is in suspend and the battery falls below a > certain BIOS-encoded > threshold, it will come back to life (but not to the > point of restarting the > OS), perform a BIOS hibernation then turn itself > off. The Libretto BIOS doesn't > bother notifying the operating system in such cases > (or if it does, never gives > the operating system a chance to respond), it just > performs the hibernation. keerect except that it writes at the end of the drive. has done it for me on both a 15 gig ibm and 60 gig toshiba every time it has hibernated. > Note that these situations are very rare, especially > if you use your Libretto > carefully, which is why some people have been able > to get away without worrying > about this but there is a non-zero chance of it > happening. why? > > People on this list (and one person I know off the > list) have in the past tried > doing things like zeroing out all the sectors around > the 8GB mark or putting > partitions there and filling them with known data > then performing a BIOS > hibernation. Those sectors do get overwritten when > the laptop hibernates (in > fact that's how the exact sectors were determined - > someone zero'd out a large > area around the 8GB mark, hibernated then looked for > where the run of zeros got > overwritten). must have been running dos > > I can see you're not an easy man to convince, the the only reason I am is this--even if the bios is hard coded to do it there is a small segment of bios memory for extra extensions -- this memory is availible after each boot and cleaned at shutdown--now that is where it is stored so you see it doesn't matter what the orginal bios sees since the proper code is written there the bios will use it each time it hibernates just like it WAS hard coded :)))))))))))))))))0 he.. he.. Waste of time using boot sectors plus they get messed up which HAS HAPPENED TO ME USING THAT EZBIOS CRAP. Advising people to use it IS GOING TO END UP TRASHING THE DRIVE BECAUSE THAT IS NOT THE CORRECT PLACE TO INSTALL THAT CODE!! THAT AREA IS NOT FOR THAT IT IS FOR BOOTING!! john > only thing I can say with > respect to that is to perform the test yourself. If > you already have Win2k > installed though I'm not sure how you'd force a BIOS > hibernation ... perhaps > turning off all Win2k power management and running > down the battery might be > the easiest way (but then I think the BIOS suspend > kicks in first so you've got > to wait for the laptop to drop battery a bit more, > come out of BIOS suspend, > then do its BIOS hibernation). > > I haven't looked too far back in the archives but in > the recent past (back to > around 2002), here are a few posts on the topic: > http://www.technoir.org/libretto/list/2002/msg02785.html > http://www.technoir.org/libretto/list/2002/msg01583.html > http://www.technoir.org/libretto/list/2002/msg00781.html > http://www.technoir.org/libretto/list/2002/msg00476.html > > - Raymond > > Quoting John Musielewicz <[EMAIL PROTECTED]>: > > > Date: Wed, 30 Mar 2005 06:01:26 -0800 (PST) > > From: John Musielewicz <[EMAIL PROTECTED]> > > Subject: Re: [LIB] Please Help Me With New Hard > Drive Install > > > > an ever better test to to write data to the > sectors > > and have the libby hibernate. surprize surprize, > its > > not being over written!! my my where ever could > the > > bios be writing hmmm? > > > > > <snip> > > > __________________________________ Do you Yahoo!? Yahoo! Small Business - Try our new resources site! http://smallbusiness.yahoo.com/resources/
