Memory Upgrade: On x58 Socket 1366 Tipple Channel platform, running Win 7 Home Premium

Barbarossa · Apr 22, 2015

I'm upgrading my current system (as described in the subject) from 6gb of ram (3x2gb) to 18gb of ram (3x4gb + 3x2gb). Unfortunately I was unable to find the exact same model ram, to pair with the old, but I got fairly close. They are both DDR3-1600, the only difference is the timings. The new set is at 9-9-9-24, and I'll have to raise it to 9-9-9-27 to match the old. I may also have to nudge up the QPI voltage on the motherboard a bit for stability with all 6 ram slots filled.

My question: I know Microsoft handicapped Windows 7 Home Premium to only be able to address 16gb of memory. With my having 18gb installed, how will it address the 16gb of it? Will it it allocate 5.33GB per channel (5.33gb X 3= 15.99gb), or will it just ignore the final installed ram module and I'll have channels 1 & 2 with 6gb and channel 3 with 4gb (6gb + 6gb + 4gb= 16gb)?

i7Baby · Apr 22, 2015

I would get Windows Pro so I didn't have to worry about how Windows will handle it and I'd get a complete triple channel kit - preferably per your mobo Memory Support List/QVL so I didn't have to worry about sorting out timings.

Barbarossa · Apr 23, 2015

i7Baby :

As mentioned above, I do have a complete triple channel kit. I have two. It's a major consideration for me question

I can't see putting out the extra money for pro to be able to utilize hardware I've already paid for when a free upgrade to Windows 10 is just months away.

i7Baby · Apr 23, 2015

Is your ram listed on the Memory Support List/QVL?

Try using just one triple channel kit.

Barbarossa · Apr 23, 2015

i7Baby :

Yes.

i7Baby :

Why? I want to install both. I know how the OS will react to each kit individually. It will address all (6gb, or 12gb) of it , as neither kit individually will exceed the 16gb cap. Hence the point of the only question that I've asked: "With my having 18gb installed, how will it address the 16gb of it? Will it it allocate 5.33GB per channel (5.33gb X 3= 15.99gb), or will it just ignore the final installed ram module and I'll have channels 1 & 2 with 6gb and channel 3 with 4gb (6gb + 6gb + 4gb= 16gb)? "

i7Baby · Apr 23, 2015

One kit will work. Two kits at the same time most likely won't work. Only a complete 12gb ram kit is guaranteed to work.

Barbarossa · Apr 23, 2015

i7Baby :

Both kits will work fine. I've added more ram to systems before. So long as I adjust the timings and speed and voltages to something both kits can handle. And in this case it'll be just the timings I'll have to loosen up (just barely at that: from 9-9-9-24 up to 9-9-9-27). Which once again: A, I've already addressed and B, Is in no way relevant to the question of how the OS will address the available 18gb of memory to make use of it's imposed 16gb cap .

i7Baby · Apr 23, 2015

Try it and see.

Barbarossa · Apr 23, 2015

i7Baby :

On the first attempt: http://valid.x86.fr/enn45b
Now to see where I over clock to.

Anyone know the answer to my original question: Which of my 18gb is Windows 7 Home Premium Addressing in its 16gb allotment? Is it addressing the first 5.33gb in each channel, or going slot by slot and giving me channels 1 & 2 at 6gb and channel 3 at 4gb?

Thank you,

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Memory Upgrade: On x58 Socket 1366 Tipple Channel platform, running Win 7 Home Premium

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