Battery Life and the 1.4f10 SMC Firmware Update.

Since the 1.4f10 SMC Firmware Update makes the fan to run constantly at a low speed, will that affect the battery life?
Anyone notice any big decrease on battery life?
thanks.
Lok

The fan should account for a pretty small amount of total energy consumption in any notebook computer (my guess would be about 2%) - but that assumes it kicks on once in a while and not running constantly.
Since the upgrade, my fan has been running non-stop while on AC with peripherals plugged in, but not as much when I disconnect everything and run on battery. I think the battery is driaining faster but I do not have good data pre-upgrade. It would be great if someone could post a pre and post upgrade battery performance test. If you do, make sure to do a callibration first: http://docs.info.apple.com/article.html?artnum=86284
Thanks
MacBook1,1   Mac OS X (10.4.7)   PowerBook 15" PPC 1.67

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