On 31/01/03 13:57, "Joe Ellis" <[EMAIL PROTECTED]> wrote: > > ----- Original Message ----- > From: "Laurent Daudelin" <[EMAIL PROTECTED]> > To: "G-Books" <[EMAIL PROTECTED]> > Sent: Friday, January 31, 2003 1:08 PM > Subject: Re: Pismo Sleep Problem > > >> On 31/01/03 12:35, "Joe Ellis" <[EMAIL PROTECTED]> wrote: >> >>> The Pismo has 2 different cards that relate to it's power management > system; >>> one is the sound card where the plug for the power adapter is located > (other >>> power control stuff?) and a second board called the power board that >>> controls battery charging and is tied to the latch for the lid. One of > these >>> cards controls the sleep function; at least it controls how the hardware >>> should respond to sleep/wake commands. I believe I have eliminated just >>> about every software related cause of my non-sleeping Pismo so I am >>> considering replacing the suspect card but I want to determine which > card I >>> should swap out. Anyone had experience in this area? Anyone know where I > can >>> locate a technical manual for the Pismo? A real one, not just the one > that >>> shows the ports. >> >> I don't know how well it can relates to your problem, but back when I was >> using a Wallstreet, it started developing a strange problem as it would >> charge the battery and then, all of a sudden, it would declare the battery >> as being fully charged, which it wasn't. After sending it to PowerBook >> parts, the power management board had to be replaced. Please, be aware > that >> I'm not saying or implying that this is the part you have to replace, but > in >> my case, with the Wallstreet, that was it... >> >> -Laurent. >> -- > Thanks Laurent, > > As I research this I'm finding there is a significant difference between the > Pismo and Wallstreet as far as the Power Management is concerned. With the > 2000 Pismo, they started using a different IC called a "PMU99" and this is > the chip that controls all the sleep functions, what I am trying to > determine just now is which card inside the the Pismo has that chip on it. I > guess I'm going to have to further disassemble my machine to verify it's > location. Since it's already partly there while waiting for my G4 upgrade. > So far I haven't found a manual that actually shows it's location. The one > in the Apple developer area has a block diagram showing the chip but nothing > with it's real location. > > Joe Ellis >
AFAIR, the Power Management Unit is on the Power board, the one that you mention is controlling batteries charging and is connected to the lid. -Laurent. -- =========================================================================== Laurent Daudelin Developer, Multifamily, ESO, Fannie Mae mailto:[EMAIL PROTECTED] Washington, DC, USA ************************* Usual disclaimers apply ************************* -- G-Books is sponsored by <http://lowendmac.com/> and... Small Dog Electronics http://www.smalldog.com | Refurbished Drives | -- Check our web site for refurbished PowerBooks | & CDRWs on Sale! | Support Low End Mac <http://lowendmac.com/lists/support.html> G-Books list info: <http://lowendmac.com/lists/g-books.html> --> AOL users, remove "mailto:"; Send list messages to: <mailto:[EMAIL PROTECTED]> To unsubscribe, email: <mailto:[EMAIL PROTECTED]> For digest mode, email: <mailto:[EMAIL PROTECTED]> Subscription questions: <mailto:[EMAIL PROTECTED]> Archive: <http://www.mail-archive.com/g-books%40mail.maclaunch.com/> --------------------------------------------------------------- >The Think Different Store http://www.ThinkDifferentStore.com ---------------------------------------------------------------
