July 2005
Intermediate to advanced
768 pages
13h 12m
English
Content preview from Apple Training Series: Desktop and Portable Systems, Second EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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SMU Reset Button
The iMac G5 uses an advanced SMU to manage the thermal and wattage conditions, while keeping the acoustic noise to a minimum. The SMU controls the fans and regulates the speeds to run each fan.
The SMU reset button (shown in the following figure) is similar to the PMU button on previous iMac computers. To reset the SMU, use a black stick to press the SMU switch on the main logic board once. Do not press the SMU reset button a second time—it could crash the SMU.
The SMU:
Provides initial configuration of system clocks
Initiates and sequences voltage and frequency slews when the OS requests a transition to a new run level
Handles ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.