Safe Temperature for my Mac

I have reason to believe my powerbook is overheating (and no, not from the battery), do you know any "safe temperature" range for my cpu?

Welcome to the Apple discussion forums.
First, do you have a view of what the temperatures are? If you download and run temperature monitor (available at http://www.versiontracker.com/dyn/moreinfo/macosx/19994), what's it show? Depending on what is running on the system, temps into the 130 degree F are not unusual. I believe the fan starts around 140 degrees F.
Is something running that is driving CPU utilization, which would create heat. When you notice it's heating up, go to applications, utilities, and run the activity monitor. Do you find anything running that's chewing up the CPU?

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Is this safe temperature for XServe

Sorry if this has been answered before, I looked at the XServe Manual and their temperature information was not much of a help.
Basically, I have XServe 2,1 (Early 2008 Model) running in my room without A/C.
After running it for 6 hours, this is the current temperature:
SMB NORTHBRIDGE CHIP DIE: 62 C
SMC AMBIENT AIR: 41 C
SMC AMBIENT AIR POSITION 2: 42 C
SMC CPU A DIODE: 52 C
SMC CPU A HEAT SINK: 48 C
SMC CPU B DIODE: 55 C
SMC CPU B HEAT SINK: 46 C
SMC CPU C DIODE: 47 C
SMC CPU D DIODE: 47 C
SMC DRIVE BAY 1: 48 C
SMC DRIVE BAY 2: 43 C
SMC DRIVE BAY 3: 45 C
SMC EXPANSION SLOTS: 50 C
SMC MEMORY BANK A POS 0: 46 C
SMC MEMORY MODULE A1: 61 C
SMC MEMORY MODULE A2: 62 C
SMC MEMORY MODULE A3: 61 C
SMC MEMORY MODULE A4: 59 C
SMC NORTHBRIDGE CORE: 63 C
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SMC PCI SLOT 1 POS 1: 50 C
SMC PCI SLOT 1 POS 2: 51 C
SMC PCI SLOT 2 POS 1: 45 C
SMC PCI SLOT 2 POS 2: 48 C
SMC POWER SUPPLY POSITION 1: 45 C
SMC POWER SUPPLY POSITION 2: 47 C
SMC POWER SUPPLY POSITION 3: 47 C
SMC POWER SUPPLY POSITION 4: 43 C
SMC POWER SUPPLY POSITION 5: 59 C
SMC POWER SUPPLY POSITION 6: 50 C
I've used "Temperature Monitor" to get this value.
I was wondering if this was a Safe Temperature for running XServe 24/7 365.
Also, I keep reading a lot on "Server Monitor", however I am on OS X Lion and dont seem to be able to find it anymore.
I've checked out the "Server" from apple store, however, I was not able to find "Monitor" in there.
I wanted to monitor my fan speed.
Thank you everyone for the help.

Hi
The temperatures you've posted look fine to me. A simple search over on the XServe forum offers some threads discussing differing temperatures you could use as a rough yardstick?
https://discussions.apple.com/message/9371734#9371734
https://discussions.apple.com/message/3600832#3600832
https://discussions.apple.com/message/5620293#5620293
https://discussions.apple.com/message/9739789#9739789
https://discussions.apple.com/message/20621698#20621698
"I keep reading a lot on "Server Monitor", however I am on OS X Lion and dont seem to be able to find it anymore?"
Are you sure? Lion's Server Admin tools are available for download here:
http://support.apple.com/kb/DL1596
If you're using Server Admin you must have done this already? If it was deleted accidently simply download and re-install again. The installer creates a folder in /Applications named Server. If it already exists it simply overwrites it and installs afresh. After the re-install you should find Server Monitor in there.
You may not be aware but you can install the Server Admin tools on a non-server OS-compatible client. You can run the server administration applications (including Server Monitor) remotely.
If the hardware is in a large-ish room with good air circulation I would not worry too much about no air conditioning. If it's in a small-ish cupboard with very little air flow I would re-think where you're siting it. Ideally and if you can afford it use A/C.
My 2p.
HTH?
Tony

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Hi,
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Look deep underneath for dust and liquid coolant leaking.
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Message was edited by: CCDwyer

My pleasure. Thanks for the star!
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A year ago, I bought my very first Mac Mini Intel. I downloaded Parallels Desktop just to experience other versions of Windows right on my Mac. I downloaded Windows 7 on it and such, I also went into fullscreen mode to explore. Then ever since I used Parallels Desktop, bad things started happening to my Mac. I kept getting Kernal Panics every while I start my Mac and my whole Mac would just freeze, so I had to restart it. And it was just horrible. Because of this, I had to take my Mac back to the Apple Store. They did a check of my hard drive via disk partition and said it was bad. So they had to get me a replacement Mac Mini which I'm using right now. Ever since I started using the new Mac, everything was working fine. I didn't install Parallels desktop this time because I knew it would give me that Kernal Panic and cause freezes. So now, I'm thinking about using Boot Camp to install Windows Xp, which I want to use for recording gameplay with Fraps. This is a huge risk for me. If my Mac starts getting Kernal Panics again, then i'm doomed. I only have a month of my warranty left before I have no more support. Even though this may sound like a obvious question, I really want to know if this will be safe and cause any issues for my Mac?

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1. This comment applies to malicious software ("malware") that's installed unwittingly by the victim of a network attack. It does not apply to software, such as keystroke loggers, that may be installed deliberately by an intruder who has hands-on access to the victim's computer. That threat is in a different category, and there's no easy way to defend against it. If you have reason to suspect that you're the target of such an attack, you need expert help.
OS X now implements three layers of built-in protection specifically against malware, not counting runtime protections such as execute disable, sandboxing, system library randomization, and address space layout randomization that may also guard against other kinds of exploits.
2. All versions of OS X since 10.6.7 have been able to detect known Mac malware in downloaded files, and to block insecure web plugins. This feature is transparent to the user, but internally Apple calls it "XProtect." The malware recognition database is automatically checked for updates once a day; however, you shouldn't rely on it, because the attackers are always at least a day ahead of the defenders.
The following caveats apply to XProtect:
It can be bypassed by some third-party networking software, such as BitTorrent clients and Java applets.
It only applies to software downloaded from the network. Software installed from a CD or other media is not checked.
3. Starting with OS X 10.7.5, there has been a second layer of built-in malware protection, designated "Gatekeeper" by Apple. By default, applications and Installer packages downloaded from the network will only run if they're digitally signed by a developer with a certificate issued by Apple. Software certified in this way hasn't actually been tested by Apple (unless it comes from the Mac App Store), but you can be reasonably sure that it hasn't been modified by anyone other than the developer. His identity is known to Apple, so he could be held legally responsible if he distributed malware. For most practical purposes, applications recognized by Gatekeeper as signed can be considered safe.
Gatekeeper doesn't depend on a database of known malware. It has, however, the same limitations as XProtect, and in addition the following:
It can easily be disabled or overridden by the user.
A malware attacker could get control of a code-signing certificate under false pretenses, or could find some other way to evade Apple's controls.
4. Starting with OS X 10.8.3, a third layer of protection has been added: a "Malware Removal Tool" (MRT). MRT runs automatically in the background when you update the OS. It checks for, and removes, malware that may have evaded the other protections via a Java exploit (see below.) MRT also runs when you install or update the Apple-supplied Java runtime (but not the Oracle runtime.) Like XProtect, MRT is presumably effective against known attacks, but maybe not against unknown attacks. It notifies you if it finds malware, but otherwise there's no user interface to MRT.
5. Beyond XProtect, Gatekeeper, and MRT, there’s no evidence of any benefit from other automated protection against malware. The first and best line of defense is always your own intelligence. With the possible exception of Java exploits, all known malware circulating on the Internet that affects a fully-updated installation of OS X 10.6 or later takes the form of so-called "trojan horses," which can only have an effect if the victim is duped into running them. The threat therefore amounts to a battle of wits between you and the malware attacker. If you're smarter than he thinks you are, you'll win.
That means, in practice, that you never use software that comes from an untrustworthy source. How do you know whether a source is trustworthy?
Any website that prompts you to install a “codec,” “plug-in,” "player," "extractor," or “certificate” that comes from that same site, or an unknown one, is untrustworthy.
A web operator who tells you that you have a “virus,” or that anything else is wrong with your computer, or that you have won a prize in a contest you never entered, is trying to commit a crime with you as the victim. (Some reputable websites did legitimately warn visitors who were infected with the "DNSChanger" malware. That exception to this rule no longer applies.)
Pirated copies or "cracks" of commercial software, no matter where they come from, are unsafe.
Software of any kind downloaded from a BitTorrent or from a Usenet binary newsgroup is unsafe.
Software with a corporate brand, such as Adobe Flash Player, must be downloaded directly from the developer’s website. If it comes from any other source, it's unsafe.
6. Java on the Web (not to be confused with JavaScript, to which it's not related, despite the similarity of the names) is a weak point in the security of any system. Java is, among other things, a platform for running complex applications in a web page, on the client. That was always a bad idea, and Java's developers have proven themselves incapable of implementing it without also creating a portal for malware to enter. Past Java exploits are the closest thing there has ever been to a Windows-style "virus" affecting OS X. Merely loading a page with malicious Java content could be harmful. Fortunately, Java on the Web is mostly extinct. Only a few outmoded sites still use it. Try to hasten the process of extinction by avoiding those sites, if you have a choice. Forget about playing games or other non-essential uses of Java.
Java is not included in OS X 10.7 and later. Discrete Java installers are distributed by Apple and by Oracle (the developer of Java.) Don't use either one unless you need it. Most people don't. If Java is installed, disable it — not JavaScript — in your browsers. In Safari, this is done by unchecking the box marked Enable Java in the Security tab of the preferences dialog.
Regardless of version, experience has shown that Java on the Web can't be trusted. If you must use a Java applet for a specific task, enable Java only when needed for the task and disable it immediately when done. Close all other browser windows and tabs, and don't visit any other sites while Java is active. Never enable Java on a public web page that carries third-party advertising. Use it, when necessary, only on well-known, login-protected, secure websites without ads. In Safari 6 or later, you'll see a lock icon in the address bar with the abbreviation "https" when visiting a secure site.
Follow the above guidelines, and you’ll be as safe from malware as you can practically be. The rest of this comment concerns what you should not do to protect yourself from malware.
7. Never install any commercial "anti-virus" or "Internet security" products for the Mac, as they all do more harm than good, if they do any good at all. If you need to be able to detect Windows malware in your files, use the free software ClamXav — nothing else.
Why shouldn't you use commercial "anti-virus" products?
Their design is predicated on the nonexistent threat that malware may be injected at any time, anywhere in the file system. Malware is downloaded from the network; it doesn't materialize from nowhere.
In order to meet that nonexistent threat, the software modifies or duplicates low-level functions of the operating system, which is a waste of resources and a common cause of instability, bugs, and poor performance.
By modifying the operating system, the software itself may create weaknesses that could be exploited by malware attackers.
8. ClamXav doesn't have these drawbacks. That doesn't mean it's entirely safe. It may report email messages that have "phishing" links in the body, or Windows malware in attachments, as infected files, and offer to delete or move them. Doing so will corrupt the Mail database. The messages should be deleted from within the Mail application.
ClamXav is not needed, and should not be relied upon, for protection against OS X malware. It's useful only for detecting Windows malware. Windows malware can't harm you directly (unless, of course, you use Windows.) Just don't pass it on to anyone else.
A Windows malware attachment in email is usually easy to recognize. The file name will often be targeted at people who aren't very bright; for example:
♥♥♥♥♥♥♥♥♥♥♥♥♥♥!!!!!!!H0TBABEZ4U!!!!!!!.AVI♥♥♥♥♥♥♥♥♥♥♥♥♥♥.exe
ClamXav may be able to tell you which particular virus or trojan it is, but do you care? In practice, there's seldom a reason to use ClamXav unless a network administrator requires you to run an anti-virus application.
9. The greatest harm done by security software, in my opinion, is in its effect on human behavior. It does little or nothing to protect people from emerging threats, but they get a false sense of security from it, and then they may behave in ways that expose them to higher risk. Nothing can lessen the need for safe computing practices.
10. It seems to be a common belief that the built-in Application Firewall acts as a barrier to infection, or prevents malware from functioning. It does neither. It blocks inbound connections to certain network services you're running, such as file sharing. It's disabled by default and you should leave it that way if you're behind a router on a private home or office network. Activate it only when you're on an untrusted network, for instance a public Wi-Fi hotspot, where you don't want to provide services. Disable any services you don't use in the Sharing preference pane. All are disabled by default.

Safe Temperature for my Mac

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