Slots
This is the total number of memory upgrade slots (sockets) followed by their configuration. Banks are the way a system addresses memory. A bank must be completely filled with memory modules of the same size and type in order for the system to recognize and address the memory. i.e. :
3 (3 banks of 1) This indicates that there are 3 memory slots. These are divided into 3 banks, and each bank consists of one memory slot. So you can add memory one piece at a time for the system to use.

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4 (2 banks of 2) This indicates that there are 4 memory slots. These are divided into 2 banks, and each bank consists of two memory slots. So you must add memory two pieces at a time (they must be the same size and type of memory) in order for the system to benefit from the upgrade.

• RAM slot, socket, or a memory slot is a gap on your computer’s motherboard where you can insert your RAM. Depending on the motherboard type, there might be up to four memory sockets. If you have a high-tier motherboard, you can even have more.
• How to check RAM slots available on Windows 10. To confirm the number of memory slots available on your computer or laptop, use these steps on Windows 10. Open Start.; Search for Task Manager.

As in the thread title, if i was too install 2 x 2gb sticks in the 2 and 4 slots on my motherboard would the results be the same as if i used 1 and 3. Motherboard is a Gigabyte GA-EP45-DQ6. Memory slots 1 and 3 are Yellow and 2 and 4 are red. In the manual it says it can handle dual channel in both sets.

12 (3 banks of 4) This indicates that there are 12 memory slots. These are divided into 3 banks, and each bank consists of four memory slots. So you must add memory four pieces at a time (and they must be the same size and type of memory) in order for the system to benefit from the upgrade.

Hello all,

I've recently started having problems with my RAM memory (4 ram sticks of 2gb).

It worked perfectly fine before. Got 4 of the exact same ram sticks, but now the motherboard refuses to read more than 2 of the 4 slots at a time. (used to have 8GB, now it only sees 4gb). I've tried every ram stick individually in every slot and they all work properly. I've tried every combo of 2 sticks in all possible slot combinations and all worked. However as soon as I add the third and fourth or just a third stick it completely ignores that stick.

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I'm 100% sure the sticks are compatible as they have worked properly before. Interesting aspect is that I updated my BIOS shortly before it happened (Not sure if it happened right away after updating). I've already tried downgrading my bios but the flash utility won't let me saying my backup file from the bios is 'outdated'. The Ai Suite program also can't downgrade it because the 'Bios interface has been changed/altered'. Could it be that the newer bios has different default settings which might cause some of my sticks to stop working(even though they're all the same sticks)?

PS. Already tried the CMOS reset, Battery reset, reseating the sticks numerous times, even moving them around which shouldn't have effect cause they're all 100% alike, also tried switching Memory remap around. My motherboard is an ASUS P8H67-M, the Ai suite (program from the motherboard) does see the entire 8gb installed, CPU-Z sees 8 GB as well but bios sticks to 4gb installed)

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Hope there's someone out there able to help.

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Regards,
Brian