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Posts Tagged ‘Powerbooks’

iBook G4 and PowerBook G4 Battery Exchange Program

May 20th, 2005 Greg Smith Comments off

Apple has a battery exchange for certain Powerbooks and iBooks.

n cooperation with the U.S. Consumer Product Safety Commission (CPSC) and other international safety authorities, Apple is voluntarily recalling certain lithium ion rechargeable batteries that were sold worldwide from October 2004 through May 2005 for use with the following notebook computers: 12-inch iBook G4, 12-inch PowerBook G4 and 15-inch PowerBook G4. These batteries were manufactured by LG Chem, Ltd. of South Korea.

2005 Powerbook Motion Detection

March 6th, 2005 Greg Smith 1 comment
it’s purpose is to detect sudden
movement of the computer

The 2005 Powerbooks that came out a few weeks ago have this cool new ” Sudden Motion Sensor”, it’s purpose is to detect sudden movement of the computer and park the heads on the hard dive to prevent damage. I can attest to how cool this is, my IBM T41 at work has this same technolgy. It even has a littel control panel that shows realtime movement of the computer.

Kernalthread has a pretty decent, not overly technical, explanation on how this thing works.

While I have no knowledge of how AMS works internally, it quite likely uses a “silicon” sensor based on integrate micro-electromechanical systems (iMEMS) technology. Acceleration or inclination causes an electrical property o the sensor, say capacitance, to be altered. The sensor’s interface can appropriately translate these tiny changes t present them as orientation “readings”

Since Apple didn’t provide any software to see the orientation of the computer, Kernalthread came up with a little program called AMSvisualizer that does the same basic thing.

They also came up with a cool program that, based on the motion sensor data, keeps the windows in the user interface always in the correct orientation. So if you tip your computer on it’s side, the windows stay right side up. 

PowerBook Superdrive Cleaning

August 21st, 2004 Greg Smith 4 comments

I’ve had trouble buring CD’s and DVD’s for sometime, basically I couldn’t get through a burn without a error. I came to the conculsion that it was a problem with dirt and not a software problem. I have read on the Apple discussion board of people having the exact same problem with the the full size superdrive but no one with the problem on a powerbook. I tried using the disc cleaners you can buy in the store. It solved my girlfriends Flower Power iMac disc burning problem but it had no effect on mine. I read that many people had to take their (full size) superdrives apart to clean them. This is apparently what I needed to do to my Powerbooks drive. I haven’t seen anyone else that has done this so I though I would document it.

My (15″ 1 Ghz) powerbook, the first model with a superdrive, has been with me for about 2 years now and I plan to have it last me till the G5’s come out. So I figured if I killed it I could buy a replacement from OWC.

If you try this you do so at your own risk. Don’t blame me if you kill your machine. You have been warned.

There are two brackets attached to each side of the superdrive which prevents it from coming apart, you have to take those off. To do so you need to remove several wires and 2 circuit boards. It looks pretty messy but turns out not to be so hard. You will need a T8 & T6 along with a phillips head screw driver. I also suggest having a pair of tweezers for manipulating some of the smaller parts.

Take the bottom cover of the Powerbook off. There are six T8 screws.

Once you have it’s underbelly exposed you will want to remove the black bracket between the hard drive and the DVD drive (2 screws). Then remove all the flex cables (3). I found the main drive flex a little difficult to remove, use caution. Don’t wreck your main board trying to get it off. There are also two regular wire connectors. One is obvious but the other one is somewhat hidden under the black cover of the circuit board (tweezers come in handy here).

PowerBook Superdrive Cleaning

Once you have all the wiring out you can wiggle the drive out. There will be a rubber boot over a post on the right back of the drive. Carefully maneuver the drive out of this area. Then you will need to take the right bracket off. Keep track of the rubber boot.

PowerBook Superdrive Cleaning 1

Now you need to take the two circuit boards off the left hand bracket. There are two T6 screws on each board.

PowerBook Superdrive Cleaning 2

The front circuit board will come right off but the back one will have a flex circuit that will need to be carefully maneuvered through the bracket.

PowerBook Superdrive Cleaning 3

Once those two circuit boards are freed you can remove the bracket. There are two phillips screws holding the bracket on. Remove them. Note that one of them is a flush mount, the circuit board that goes in this space won’t fit unless you put the right screw back here.

PowerBook Superdrive Cleaning 4

At this point you should have all the pieces off the drive and you can start surgery on the drive itself.

PowerBook Superdrive Cleaning 5

Remove 4 phillips screws from the drive. I had no stickers or anything keeping the top from coming off once it was freed. You will need to carefully make sure the front bezel come off the top cover. There’s no reason you should break those tabs tabs taking it off. The top cover kind of hinges off the one side, don’t force anything trying to take it off.

PowerBook Superdrive Cleaning 6

Now the guts are exposed. I used a can of air to blow out the inside (there was visible dirt inside mine). I also used a optical grade lint free cloth to clean the lens itself.

PowerBook Superdrive Cleaning 7

That’s it. Follow the steps in reverse to put it back together (you did keep track of your screws, didn’t you?)

Apple 3rd Quarter Results

August 5th, 2004 Greg Smith Comments off
As a Apple shareholder I follow the SEC filing (PDF) that they have to make. But who needs to read the form when every Mac site makes their own “recap” (MacNN, MacMinute, AppleInsider, Think Secret just to name a few). So what did I find more interesting?

Sales are UP UP UP! 15% Up for all Macs (compared to the same quarter last year). But Apple is stabbing itself in the foot becasue IBM yeilds are crap and can’t get enough G5 chips out the door. “The inability of IBM to remedy these problems in a timely manner, avoid significant manufacturing problems in the future, and to deliver microprocessors in sufficient quantities with competitive price/performance features could further constrain shipments of products containing the G5 processor and could adversely affect [our] results of operations and financial condition” Holy crap! This could affect their bottom line. I’m wondering if they would reconsider their position on choosing IBM over Intel now?

They made money on the Apple Stores vs loosing money last year. I guess this is a success then so we can expect then to stay.

They settled one paten lawsuit over the illuminated keys on the powerbooks but didn’t say exactly what was settled except it wouldn’t effect earnings. Virgin Media is whining to France’s Competition Council about the FairPlay DRM used in the iTunes Music Store. And someone is suing about the iPod battery life.

Personally I think if Virgin Media was on top with their own proprietary format they wouldn’t be so quick to open it up either. They just want a piece of the Apple pie. The battery in my original 5GB iPod sucks now too, but I never had the expectation that it would last forever. 

7.1 Audio for Powerbooks

August 4th, 2004 Greg Smith Comments off
With my snazzy new monitor I had to upgrade my sound system since the built in sound of the powerbook just aint going to cut it. I choose to go with the Sonica Theater by M-Audio. Basicly this is a USB box that has outputs for all the speakers (roll your own speaker system). USB speakers can be all kinds of problems but I think that it’s matured enough that it’s not going to be too much of an issue. According to the website, “OS 10.3 required for Dolby Digital and DTS pass-through using Apple DVD Player”. So I guess that means it will work.

Now I need a set of external speakers to go with this thing. Any suggestions for a inexpensive 7.1 speaker set?