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Apple updates Intel Mac firmware (again)

post #1 of 16
Thread Starter 
Apple Computer on Tuesday release a new SMC Firmware Update for all of its Intel Mac models (except the new 13-inch MacBook).

In a brief set of release notes, the company said the updates address "intermittent boot issues with the Intel-based iMac."

A list of the firmware updates follows:

iMac (early 2006) SMC Firmware Update

iMac (early 2006) SMC Firmware Update (< 1MB) addresses intermittent boot issues with the Intel-based iMac (Early 2006).

MacBook Pro SMC Firmware Update

MacBook Pro SMC Firmware Update (< 1MB) addresses intermittent boot issues with MacBook Pro.

Mac mini (early 2006) SMC Firmware Update

Mac mini (early 2006) SMC Firmware Update (< 1MB) addresses intermittent boot issues with MacBook Pro.
post #2 of 16
I've never had any boot issues, but I'll install it anyway.
post #3 of 16
More than likely, this is to add features/capabilities for a future release of something.
post #4 of 16
They gave a warning that the fan would go to full speed, I think this firmware was meant for cleaning out any dust that may have got into our Mac's. Gosh apple thinks of everything
Citing unnamed sources with limited but direct knowledge of a rumoured device - Comedy Insider (Feb 2014)
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Citing unnamed sources with limited but direct knowledge of a rumoured device - Comedy Insider (Feb 2014)
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post #5 of 16
Quote:
Originally posted by Ireland
They gave a warning that the fan would go to full speed, I think this firmware was meant for cleaning out any dust that may have got into our Mac's. Gosh apple thinks of everything

Because the next OS X update is going to allow all Intel based Macs to fly!
"Picasso had a saying, 'Good artists copy, great artists steal.' And we've always been shameless about stealing great ideas."
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"Picasso had a saying, 'Good artists copy, great artists steal.' And we've always been shameless about stealing great ideas."
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post #6 of 16
Quote:
Originally posted by Ireland
They gave a warning that the fan would go to full speed, I think this firmware was meant for cleaning out any dust that may have got into our Mac's. Gosh apple thinks of everything

It cleared all the dust bunnies out of mine......fans went highspeed and it snowed dust bunnies. How do I clean the inside out?
post #7 of 16
I tried installing on my 17 inch MBP and it said this computer does not need this update ...must only be for 15 inch MBP
post #8 of 16
WOW, I've noticed a definite difference what booting, restarting and shutting down!!

(1) Restarting now is 30 seconds flat on my 1.83 Core Duo iMac.
(2) Shutdown is now 5 seconds flat, everytime
Citing unnamed sources with limited but direct knowledge of a rumoured device - Comedy Insider (Feb 2014)
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Citing unnamed sources with limited but direct knowledge of a rumoured device - Comedy Insider (Feb 2014)
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post #9 of 16
What does SMC stand for?

Edit: "System Management Control" apparently
post #10 of 16
People over at MacRumors are reporting that apparently the "stealth" fix in this SMC update is that the fans now stay on all the time. This fixes two issues:

1) The MacBook Pro "moo" which was caused by the noise of the fans starting up.

2) Heat issues, reports have MacBook Pros now running several degrees cooler, presumably due to the extra airflow.

Of course, it does mean a noisier machine, but not too bad.

Nothing like the fans while installing, I think my mini actually moved across the desk a bit when those jets started roaring.
post #11 of 16
Quote:
Originally posted by Ireland
They gave a warning that the fan would go to full speed, I think this firmware was meant for cleaning out any dust that may have got into our Mac's. Gosh apple thinks of everything

I think that is standard behavior for a lot of Apple's firmware updates for PPC units too.
post #12 of 16
Quote:
Originally posted by dr_lha
People over at MacRumors are reporting that apparently the "stealth" fix in this SMC update is that the fans now stay on all the time. This fixes two issues:

1) The MacBook Pro "moo" which was caused by the noise of the fans starting up.

2) Heat issues, reports have MacBook Pros now running several degrees cooler, presumably due to the extra airflow.

Of course, it does mean a noisier machine, but not too bad.

Nothing like the fans while installing, I think my mini actually moved across the desk a bit when those jets started roaring.

I would think the first problem is due to a faulty fan that simply should be replaced, it could be a looseness in the bearings.

The second part I welcome so long as the fan doesn't blast full tilt at machine idling with a sound like a GPU fan. Still, currently my fans are so quiet that I really don't hear them, I think I feel them a little bit, so I don't really know what it is like to have them on at full.
post #13 of 16
Quote:
Originally posted by dr_lha
Nothing like the fans while installing, I think my mini actually moved across the desk a bit when those jets started roaring.

Now THAT is a great image.
post #14 of 16
I was lying in bed when I did it and the fan definetely turned on full speed.
post #15 of 16
I can confirm than my MBP 15" definitely seems to run cooler. I can use it on my lap now and only notice a small amount of heat. Way to go Apple!
post #16 of 16
No noticeable change in heat here -- still pretty warm. I have no way of measuring it, though, so take that for whatever it means.

I've also heard that this might address the high-pitched noise, but I still get that too. Running Photo Booth still stops it.

MBP 15" 2.16GHz 7200RPM
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