Apple 2009 MacBook Service Manual download pdf (Page 6)

Significant Features

MagSafe Connectors

Target Disk Mode and MacBook Pros

Battery End of Life

Processor Soldered to Logic Board

Resources

MagSafe Connectors

The MacBook Pro 85-Watt power adapter with MagSafe connector uses a magnetic connection instead of a

physical plug. This means that tripping over a power cord won't send your MacBook Pro flying off the table

or desk; the cord simply breaks cleanly away, without damage to either the cord or the computer.

There are a number of service issues for such connectors. Your best resource for learning about these issues

is support article TS1713 "Apple Portables: Troubleshooting MagSafe adapters".

Review this article before continuing.

MacBook Pro in Target Disk Mode

If you attempt to mount an Intel-based MacBook Pro in Target Disk Mode on a Mac running Mac OS X

10.3.9 or earlier, you'll see an alert message that says "You have inserted a disk containing no volumes that

Mac OS X can read."

The computer you are mounting to must be running Mac OS X 10.4 or later for Target Disk Mode to work.

Battery End of Life

When a lithium polymer battery reaches its end of life, the battery simply ceases function. There is no

downward ramp in performance. This means that any battery issue should prompt questions as to how long

the battery has been used.

More information about this topic is found at Battery Replacement.

Processor Soldered to Logic Board

The processors in the MacBook Pro series are soldered to the logic board and are considered part of the main

logic board assembly for troubleshooting and servicing purposes.

Resources

Please access and review the following articles.

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Apple 2009 MacBook Service Manual Page 6