How to find revision number on my macbook ?

How to find revision number on my macbook ?

Wrong question, as there has been no formal revision number issued by Apple. What you may have seen on some postings about revision C, D, etc. is probably no more than rumor.
You can get some information about the place and date of production of your computer by selecting the "Blue Apple" in your menu bar, then selecting About this Mac. Press More, then look at your serial number.
My serial number is W8612xxxxx..
"W8" lists the production location in China.
"612" means that my MBP was produced in the 12th week of 2006.
One of the defects in early production runs was a noisy inverter for the LCD screen. It's likely that that was a parts problem that was remedied in progress of production. My "week 12" MBP has no problems at all.
My MBP runs a bit hot, but within specs. For that matter, I found the TiBook it replaced was uncomfortably warm as a laptop. There's a simple remedy if you want work in laptop mode. Just put something -- a notebook, a rigid plastic sheet a few millimeters thick or the like -- under the MBP and you (and the computer) will be more comfortable.

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