Hardware :: G5 Will Not Read Ram In Outer Slots
Aug 3, 2008
I just purchased new ram to add to my 1.6hz G5, it has four dimm slots. I am aware of the pairing and slot requirements and believe that all is well there. I added the new ram to the two outside slots, these are numbered 2 and 3 by Apple and the original ram is in slots 0 and 1. The new ram was not recognized. I then swapped and put the new ram in slots 0 and 1, the old in 2 and 3, and the new ram was recognized but not the old ram. It appears that it does not recognize ram in slots 2 and 3, how do I get this to work?
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May 17, 2012
Way to remove outer shell
Info:external drive, iOS 4.1
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Oct 30, 2009
I recently got a new macbook pro (thanks to Apple's great customer care/Customer Replacement Unit policy), and two days later, it got stuck under a moving chair, which peeled off the outer rubber insulation for the power supply cord. And a beautiful thing happened I used to notice that the magsafe power adapter would slip out when i was moving my macbook around from place to place a little bit too easily. Then I put 1 1/2 inches of electric tape about a centimeter away from the actual magsafe-macbook port, and the addition added just a little bit of resilience because of some sort of physics i can't explain. so if you want your magsafe to be a little bit stronger, but still pull out if you move it too hard, just add an inch of electrical tape to the end. works like a charm!
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May 7, 2008
just received my new MP and noticed the same thing with the 08 Modell which is that the door sits slightly offset on the case meaning theres a little gap about 0,5mm between the closed door and the outer case.
Second my fans "boostA & boostB" are spinning at 1100rpm at idle I thought they should normally idle at around 800rpm? (I read at least)
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Apr 25, 2012
can I use 2-2GB RAM modules in 2 slots and 2-4GB modules in the other two slots, or do all 4 modules need to be the same size?
Info:
iMac, Mac OS X (10.6.8)
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Jun 14, 2009
simple Q: I know these slots can be used for GPUs and sound cards, but what other uses are there?
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Nov 11, 2009
I have just bought this RAID controller:
[URL]
When trying to install it I found my Quad core mac pro only has PCIe slots, of which I can see anyway.
Is there any way at all to connect this to my mac?
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Feb 4, 2007
I have the Power Mac G5 Dual Processor 2.0 GHZ, with 3 GB of RAM, but I would like to upgrade but this model only has four slot, not 8. On the logic board, I can see little holes where the other 4 slots are meant to be, but obviously they aren't there. Is there any way to upgrade this G5 so it has 8 slots, rather than 4? I haven't found anything about this on the Apple Discussions, or MacRumors.
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Jul 7, 2009
i'm looking to upgrade my ram with some memory from crucial and was just wondering if both slots are used for the standard 2 gb my uMBP came with?
also, is it worth going to 4 gb?
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Dec 5, 2010
Someone else pointed out in another thread that on the 11" MBA with 4 GB, if you look in System Profiler under memory, the software says that there are two RAM slots. I can confirm that on my MBA. So:
1) Is the same true on the 13" with 4 GB RAM?
2) Has anyone published a tear down of a 4 GB model just to be absolutely sure that there is only one soldered RAM slot? (I know it's unlikely that a second one got crammed in there, but I'd just like to see the tear down picture)...
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Dec 15, 2010
I noticed on the Apple refurb site that Mac Pros from 2010 have either 4 or 8 memory slots. Is there an easy way to tell how many memory slots a computer will have? From what I have seen it looks like the quad core machines will have 4 slots while the eight core machines have eight slots. How many memory slots are in the hex core machines?
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May 1, 2008
I'm transferring my OX onto a new hard drive so am going to move the slots so the new main HD is in Bay 1.
Do I physically move them all first, then restore using the disk utility or do I physically move them after restoring?
In physically moving a hard drive are there any settings that need changing?
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May 22, 2008
Ok, my problem is as the title states. Why is this happening? My motherboard had 8gb slots and is compatable with 8gb ram. I installed 8 dimms of this ram I bought from newegg: [URL]
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Nov 3, 2009
Currently I have a GTX 285 in Slot 1, and a GT 120 in Slot 3. Slot 2 is the faster slot, which I would think would benefit the GT 120, but then it's closer to the GTX 285 that leads to overheating concerns. I'm going to run anything graphics intensive on the GTX 285-connected monitor, so any real drawback then to having the GT 120 in Slot 3?
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Nov 17, 2009
How many memory slots are in the 3.06 27 incher, and how many slots are taking up on the basic setup? If there are four slots, are all four slots filled with 1gb cards? Im curious because I ordered my iMac from my job here, and I also ordered 2gb of memory, thinking I can go from 4gb to 6gb of ram. I was going to order a 4gb card, but it was 200 euros at my job. If anything, I will order a couple of more 2gb cards, but that all depends on the number of slots available/open.
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Apr 27, 2010
I have a 27" iMac and recently picked up the latest model MacBook. I also picked up a 4Gb (2x2) RAM. I placed the 4Gb in the MacBook and decided to place that 2GB from the MB in my iMac to boost it to 6GB.
Here is my question, did I place the RAM in the best slots, assuming there is such a thing as best slots. I remember from the old day of PC that there was a strict order for placement else I may not get the most out of the additional RAM. It does register as 6GB when I click on 'About This Mac'. Below is a diagram and screen shot to show exactly what I did.
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May 20, 2009
I have 1 gig sticks in each of the 8 slots. I recently became aware that I am only accessing 6 gig. System profiler tells me all sticks are ok:
however, it is showing 512 sticks in slots J13, J14, J43, J44. (Again, they are in fact 1 gig sticks). Apple Hardware test implicates J14 and J44, with this error message: post/0/2048 DIMM3/J14, DIMM7/J44
By various means I have determined that my memory sticks are fine. I've swapped them out and tried them in various slots. The sticks in the bad slots work fine in other slots, etc etc. So I'm certain it isn't the RAM. Also, they are paired correctly.
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Mar 27, 2012
I have 6 -1GB DIMMs installed in 6 of the 8 slots. Can I install larger capacity DIMMS in the remaining 2 slots?
Info:Mac Pro, Mac OS X (10.5.8)
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Oct 2, 2007
Will the stock Mac Pro video card: NVIDIA GeForce 7300 GT, work in a PowerMac G5 Duallie 2.0 (mid 2004 model) with the pci-x slots? would a Cube G4 Rage 128 video card work in thePM G5? (I bought a G5 without a video card and I need to test it and find a cheap video card for it).
Information:
17" MacBook Pro 2.16/120/2gb ram
Mac OS X (10.4.10)
Mac Pro 2.66, 250 & 80gb hdd, 2 DL-SD, 7gn ram, APX & BT
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Oct 28, 2007
A G5 PPC Dual 2GHz that I am working on freelance for a client apppears only to have 4 RAM slots - could this be the case? I thought that from the 1st Generation onwards all G5s contained 8 slots.
Information:
G5 Dual 2GHz PPC
Mac OS X (10.4.10)
FCS 2 - FCP 6.01, Motion 3.0.1, DVDSP 4.2.0
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Aug 4, 2007
The other day, I put more ram into 2 12-inch ibooks - my own 1.0 ghz, and my wife's 1.33 ghz (Yes, I know she has the faster machine. It means I'm the next to upgrade). Anyway, this is the first time I had opened them up at all and I saw something that confused me: I know that ibooks have only one available expansion slot for ram. That's what I saw on mine. But on my wife's, it looked like there was a second slot lower down, just below where I installed the ram, but missing the clips to hold the ram in place.
Is this in fact a second ram expansion slot, or is it just the shape of it that makes it appear to be one, or is it a second slot that is somehow unsupported or unable to be used? My guess is that it's just the shape of the hardware, and it only appears to be a second ram slot, but isn't really. But wouldn't it be sweet if there was in fact another usable slot in the ibook?
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Apr 17, 2009
I'm installing some firewire cards in a mac pro at my school but the Mojo that we're hooking up needs to be on it's own bus. Do certain pci slots share a bus together?
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Jul 1, 2012
All of my used ID and password slots have turned black. I can't see what I am writing and evidently I am making mistakes because they are being rejected. How can I return these fill-in-the-blanks to white backround?
Info:
iMac (24-inch Early 2008), Mac OS X (10.6.8)
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Aug 24, 2008
Need link to the article referenced here:
[URL]
Toms Hardware apparently ran a benchmark comparing two 3870s on x16 vs two 3870s on x8 (hence a Mac Pro 2006).
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May 31, 2009
I am going to buy an Imac soon. Most likely the with 4 gig ram. I was just wondering how many memory slots does an 24 inch Imac have. Because I have 2 one gig ram sticks that I wanted to add to it and didnt know how many free slots it would have.
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Mar 30, 2012
How many memory slots does the iMac 21.5-inch:2.5 GHZ base model have 2 or 4? Â
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Apr 1, 2012
Is it possible to upgrade G5 Dual 1.8 and add extra DIMM slots??
Info:
PowerMac, Mac OS X (10.4.11), Dual 1.8
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Sep 16, 2010
I get the message: the memory modules are installed in the recommended slots. Every time I restart my 2010 Mac Pro. I upgraded my memory with 3 x 2GB OWC memories. They are properly detected, and the system is working fine.
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Oct 17, 2007
The drive in my G5 tower will read/write commercial or blank CDs and will read/write blank DVDs, however, it will not read most commercial DVDs. When I insert them it tries to read it then after a few seconds it just spits them back out. Occasionally commercial DVDs will read and mount fine, but this seems to be rare.
Information:
Mac OS X (10.4.10)
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Apr 22, 2012
I just switched from Snow leopard to Lion and i don't like the way that Lion has the mail preview set up as a 3 column vertical format. I thought in Snow Leopard you could change the set-up so it's either horizontal or vertical, but I can't seem to find that option in Lion. I want to have the list of my email messages in the top, horizontal window and the preview of the selected message in a horizontal window below. Am I missing this option to change the view format from vertical to horizontal somewhere?
Info:MacBookPro, Mac OS X (10.7.3)
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