I put together this motherboard/cpu/ram combo a few months ago and just noticing now the ram box shows it is supposed to be 1866 Mhz. My computer shows the memory to be operating at 1600Mhz. What could be the potential cause of this? I followed the motherboard manual and have the memory in the corresponding channel slots and it shows the motherboard allows1866 Mhz memory.
Memory not operating at top speed?
Viperelite
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I put together this motherboard/cpu/ram combo a few months ago and just noticing now the ram box shows it is supposed to be 1866 Mhz. My computer shows the memory to be operating at 1600Mhz. What could be the potential cause of this? I followed the motherboard manual and have the memory in the corresponding channel slots and it shows the motherboard allows1866 Mhz memory.
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Well ok then. It was set to auto in the BIOS. So I changed it to manual DDR3 1866 Mhz and started the computer again but my browser firefox doesn't work. It just opens and crashes immediately every time i try to open it. Went back into the BIOS and changed the ram to Auto and it works fine again.
What the hell.....
What the hell.....
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1,106 Posts
Quote:
The BIOS defaulting to SPD's JEDEC timings rather than the faster but less strict 1866 MHz XMP timings. Very likely even those JEDEC timings are optimisticOriginally Posted by Viperelite
I put together this motherboard/cpu/ram combo a few months ago and just noticing now the ram box shows it is supposed to be 1866 Mhz. My computer shows the memory to be operating at 1600Mhz. What could be the potential cause of this?
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4,982 Posts
The XMP profile has a lot more timings to it than just those four numbers and voltage and speed that's usually mentioned when talking about RAM timings. All those secondary timings can be important.
If you want to set everything manually, there's programs that can show you the XMP profile of your memory sticks. The software "Thaiphoon Burner" has a free demo version that can read it out of the memory sticks.
If you want to set everything manually, there's programs that can show you the XMP profile of your memory sticks. The software "Thaiphoon Burner" has a free demo version that can read it out of the memory sticks.
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