Mac Pro :: RAM Placement (800MHz ECC Introduced)
Jan 13, 2009
I'm going to be purchasing my 1st Mac within a week or two and I have a question about Mac Pro FB-DIMM Memory placement -- seeing that the Mac Pro comes with 2GB Memory (2x1 GB Sticks) standard and I'm going to be adding an extra 8 GB (4x2GB Sticks) to the system (from OWC for an extra kick seeing that memory prices are very affordable for an extra 8GBs). Would the proper way to insert the 10 GBs of memory be that the each of the 1 GB sticks would go on each riser on Slots A1 and B1 (the first slots on the riser), with the other sets of FB-DIMMs being placed in pairs on each of the two risers? I read the Mac Pro RAM Info at [URL:...] but I just wanted to clarify if I got this correct.
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Jul 5, 2012
How I can retrieve a card accidentally introduced into the DVD drive of my Mac
Info:iMac, Mac OS X (10.7.4)
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Oct 28, 2009
When installing OS X I always try to cluster the OS related files at the outer tracks of the hard drive, where the disk is fastest.
(See http://macperformanceguide.com/Stora...anYouNeed.html)
So I generally like to install OS X to an empty hard drive, and be done with all the OS related updates before I go on to install applications, copy user files etc. Most of the OS related files (depending on need for future updates) will now be clustered nicely together, making the machine as fast as it can be.
My question is: Does Time Machine "respect my efforts" here when doing a full restore? Will it place my system files at the outer tracks where they belong, or will it ignore the original placement of the files?
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Nov 4, 2009
Tabbed browsing has introduced a new browsing paradigm in which one can rapidly open many pages linked from specific articles or aggregation sites to read at a later point. Having adapted this paradigm and used it widely in my browsing habits, I have noticed that it falls short in a few instances. Often, I will open a list of tabs and then start reading through the pages left to right. At each page, I may want to open additional links from that page into new tabs in the current window. However, when I do so, they appear at the end of the list, sometimes many tabs away from the related article.
What I would like to see is a preference or a modifier key that would cause additional tabs to be opened immediately after the current tab but before the following tabs in the list. This would allow me to group related tabs more easily. This would probably work best as a modifier key rather than an option in the browser preferences, since the current behavior may be desirable when a series of tabs are opened in order of importance or chronology.
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Oct 11, 2009
I've got seven external hard drives, ranging from portables to full-size, 120gb to 1TB.
Some came with stands (for vertical placement), others did not. some are advertised as vertically standing units (such as the WD MyBook), and some aren't.
So what's the best position? Vertical or horizontal? The obvious answer might be to simply follow guidelines and place vertically the ones that come with stands and horizontally the ones that have feet on one side or which don't have stands. But I'd like to make sure, anyway.
For example, my Lacie 500gb has feet on one side. I placed it vertically and it was good for 4 months or so. Then it began to make intermittent (and loud) clicking noises. I placed it horizontally and all is well now. Been fine ever since.
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Feb 15, 2010
I have an extra macbook (weird, right?) and an old xbox. The mac is a 13" Macbook 4,1. I want to put it in my xbox. I think I can do it but this is my first hardware mod and, to be honest, I'm scared. Does anyone see any immediate problems I'm overlooking? I chose the xbox because it can dissipate heat well and i need a tower pc, so i thought an xbox one would be cool. the challenges i can think of as of right now are:
1. proper spacing and mounting of logic board (so that nothing that shouldn't touch doesn't)
2. proper placement of airport & bluetooth cards (the xbox is sorrounded by metal, which will seriously damper any wireless connections)
3. properly mounting the Superdrive (the actual xbox DVD-ROM drive as the black xbox plastic part glued to the front. obviously, that's not an option with the drive built into the mac)
4. Finally, taking apart the mac without destroying any of the parts. Then putting the whole thing together without causing any static discharge etc.
Look, I'm a senior in high school, not a laptop repairman, but I really want to do this before I leave for college.
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Nov 29, 2009
As long as I stay in matched pairs, can I mix 600 and 800mhz RAM in my system?
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Feb 3, 2009
Can you mix old mac pro memory in the new mac pro?
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May 14, 2009
how do i do a diagnostic on the hd.
and is there a defragmenter like on pc's..sorry for that devil word.
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Jul 4, 2012
I've bought new memory for my by my Mac Pro 2.8Mhz Quad Core mid 2010. It is 4x Kingston KTA-MP1066QR/8G memory. Installing went well, but it's clocked down to 800Mhz by the Mac. Why? And more important how can I fix it so I will have my 4x8GB @ 1066Mhz?
Info:
Mac Pro (Mid 2010), Mac OS X (10.6.8)
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Jun 25, 2007
I have been viewing the forums for the past few months and have finally joined MacRumors as I have purchased an ibook G3 (first mac). I love it to death, it is so portable and even runs like a champ considering it is almost 4 years old. The ibook has a 800MHZ G3 processor along with maxed out ram at 640MB. Anyway I am planing on buying an TV before school starts up again and would like to encode my dvds to h.264. I was wondering if my computer can handle this task. BTW I would need to buy a dvd drive for my computer along with an external HDD. My other option is to buy a friends Powermac G4 with dual 1GHZ processors(he is selling it at $250) it already has a dvd drive and two 200GB HDD so that will save me ~ 150. As I am new to macs and would like to know if the Powermac will significantly make a difference in encoding times or should I just stick with my ibook and save the $100?
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Dec 29, 2007
I've got a G4 iBook here that is really really slow. It's running Mac OS 10.3.9, has an 800Mhz G4 CPU, and 1.12GB of ram (Built in 128mb + 1GB upgrade).
Activity monitor shows over 800mb of ram free, and about 16000/0 page ins/outs.
The CPU is also about 80% idle.
Something is fishy. There is only 6GB of free hard drive space.. but I don't see how that could cause this nightmarishly slow performance. It takes 5 minutes to open a folder sometimes! Could it be bad ram? Malfunctioning hard drive? Does it sound like a hardware issue or software issue?
I also noticed that there were a few folders in the hard drive such as "Previous Systems" "Rescued files" and "Damaged files." I already trashed "Damaged files" because it was just a bunch of random crap that no one would need and it was taking up space.
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Feb 4, 2008
Just wondering if anyone's tried to run Mac OSX 10.5 on their 800mhz G4 and how the performance is (good/bad)? Obviously the cutoff is 867mhz.
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Apr 11, 2012
I've just installed Mac OS X Tiger on my iMac G4 17" i know Tiger is outdated, but it's faster than Leopard and Tiger still runs fine.now i tried to install Mac OS 9 too. For some performance reasons. But after the Welcome Screen, the Display turns black and i can't see nothing It's the original Mac OS 9 CD from the iMac G4. And it's the original rom, i never changed anything. Maybe Mac OS 9 doesn't have the right kext for the iMac?
Info:
iMac, Mac OS X (10.4.11), iMac G4 17" 800MHz
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Mar 14, 2008
I am working on a hardware hack with an iBook G4 800MHz where I can only power the iBook with the AC Adapter--NOT using the battery. When the compy is turned off and turned back on, I am getting this huge error message on the display that my time and date are wrong.
I gather there is no battery on the MB that sustains the internal clock--the compy uses the powerbook battery to keep the clock up to date?
Is there any way to set the system software to bypass or ignore the time and date? This computer is not connected to the internet, and time and date are irrelevant to my application.
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May 30, 2010
Now, my poor little G4 was just standing there. After a lot of fumbling around, restores, it finally has regained life, running Tiger etc.
Now, I wanted to install Leopard, see for myself what I would prefer, and it would allow to tether wireless internet connection through my iPhone to the G4. But I need Leopard for that, Tiger is too old.
So, after Googling, I found out that if I put my Intel into Target Disk mode, I could use it as external DVD reader, seeing my G4's reader is dead as dead can be.
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Feb 1, 2009
Further to one of my previous questions i have now managed to get hold of OSX tiger for my Imac G4 800mhz superdrive. However no matter what I try I cannot get this to install. If I go through custom instal it checks my disk and then comes up with a notice saying "mail cannot be intalled on this computer - intallation not possible" or something along these lines. I have also tried restarting while holding down the command button but the 10.4 disk does not appear. I have completely wiped my harddrive and reinstalled my original osx 10.3 and even taken out the airport card and additional ram memory card which i thought was causing the problem.
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Dec 12, 2010
My brother has a second gen, 800Mhz eMac (the one that could be overclocked to 1.33Ghz - the earlier PC133 ram model). Since about 1.5 mths ago, when he powers it on, sometimes it will not power on, and other times it will give three beeps (diagnostic pages say bad RAM) and a flashing power/sleep light in unison with the beeps. Did this vintage suffer bad caps? I recall that it was only the 1.25Ghz model that had bad caps, but I could be wrong.
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Dec 20, 2007
I have an eMac 800mhz and I'm having trouble discerning whether it's an "early" build which needs the original AP card or a later build. What exactly am I looking for in the system profiler to tip me off?
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Apr 3, 2009
Does anyone know how the ATI Radeon HD 2400 XT with 128MB compares on performance to the shared 256MB in new Minis? Also, in iMacs with an 800mhz system bus that have 667mhz ram preinstalled, will they take (and run at full capacity) 800mhz ram?
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Aug 23, 2009
I know that's below the required speed but there's Leopard Assist. As can be seen on that page, it says "Uncertain" ONLY for my iMac.
Has anyone done it with this iMac? Does anyone know? I'm running Panther now and, these days, that's no place to be. I want to get Leopard on my Mac before I have to <shudder> switch back!
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Mar 28, 2012
And my second question is, where can I buy Leopard cheaply? It costs about £100-200 on eBay for something that I will need once.
Info:
Mac OS X (10.4.11), Apple Imac G4, SuperDrive, 768SDRAM
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Nov 4, 2009
i replaced the motherboard on my dual 867MHz G4 MDD.the computer turns on now, and i did a fresh 10.4.11 install...but i noticed that it says "Dual 800" instead of "Dual 867" in my "About This Mac" now. i typed "sysctl hw.cpufrequency" in the terminal and discovered that it is actually running at 800MHz, and not 867MHz.
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