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The Something Awful Forums > Discussion > Serious Hardware/Software Crap > Mac Hardware - 5k Supremacy
 
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Megiddo
Apr 27, 2004

Unicorns bite, but their bites feel GOOD.
I have a late 2006 Mac Pro that I'm trying to upgrade to a total of 6GB RAM with new 2x2GB sticks and the original 4x512MB sticks, but it's only seeing 5GB. The upper board has 2x2GB in slots 1&2 and 2x512MB in slots 3&4, and the lower board has 2x512MB in slots 1&2. It's not seeing the 512MB sticks on the lower board at all.

Any ideas?

* # ¿ Jul 21, 2011 18:32
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# ¿ Apr 16, 2024 04:54
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Megiddo
Apr 27, 2004

Unicorns bite, but their bites feel GOOD.
I have a late '06 Mac Pro that I'm trying to upgrade it from 2GB to 6GB of RAM, but it's only seeing 5GB.

I've got 2x2GB sticks on the 1st and 2nd slots of the upper board, 2x512MB on slots 3 and 4 of the upper board, and 2x512MB on the 1st and 2nd slots of the lower board. As far as I can tell, this is the correct placement, but it's not seeing the 2x512MB sticks on the lower board. Am I doing something wrong?

* # ¿ Jul 29, 2011 03:12
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Megiddo
Apr 27, 2004

Unicorns bite, but their bites feel GOOD.
Last time I ask this:

I'm trying to upgrade a late '06 Mac Pro from 2GB to 6GB of RAM, but it's only seeing 5GB. Please help!

The upper board has 2x2GB sticks on slots 1&2 and 2x512MB sticks on 3&4. Lower board has 2x512MB sticks in slots 1&2. RAM itself is all good, lower board does recognize RAM when tested, just not the last 1GB when in this configuration. Am I doing something wrong?

* # ¿ Aug 2, 2011 06:08
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Megiddo
Apr 27, 2004

Unicorns bite, but their bites feel GOOD.

flyboi posted:

According to this: http://tesselator.gpmod.com/Images/_Equipment_n_Tutorials/Memory_Configuration_2006.jpg you should be putting the 2GB in board A and the 4x512 in board B (look at 6C)
That didn't work, but I saw a red light on Riser B's 2nd slot and was able to figure out what was going on. The riser slot on the motherboard had a little bit of dust that had gotten lodged in it and apparently was blocking a few of the contacts. Once I fished that dust out and give it a little flush with 99.9% alcohol, it worked like a charm. Thanks!

* # ¿ Aug 2, 2011 07:17
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The Something Awful Forums > Discussion > Serious Hardware/Software Crap > Mac Hardware - 5k Supremacy