Cannot Set RAM to 1600 in BIOS

t0nic · May 5, 2013

I have a GA-F2A85X-UP4 (A4-5300 APU) and Kingston HyperX Blu Red Series 4GB DD3 1600

It shows up running at 1333 in BIOS and CPU-Z. On my MSI motherboard (same APU) all I had to was change one field in the BIOS to 1600 and had no problem.

When I set the speed to 1600 in the Gigabyte's BIOS. I save and reboot. After the Gigabyte logo it says there was a problem and it cannot run at that speed.

I changed the speed and set everything attached to it to auto. Like the timing.

Am I overlooking some advanced setting I need to be adjusting along with that RAM speed? Any useful advice would be super helpful

PC Spec:
- AMD A4-5300 "Trinity"
- 2x Kingston HyperX Blu Red Series 4GB DD3 1600
- Kingston HyperX 3K SH103S3/120GB SSD
- RAIDMAX 450W ATX12V PSU

LCoNikeZ · May 6, 2013

I am not entirely sure why this is, but it might be because of your processor because RAM runs along side with the CPU in most cases, and if the CPU cannot handle the speed then it will have a limit higher speeds that it can't handle, if this is the case you will only be able to increase your RAM speed if you Upgrade your processor.

Xttony · May 7, 2013

Did you also set the ram timings and voltages along with it?
What exact error code are you getting?

t0nic · May 7, 2013

When I tried to set my RAM to 1600 I only adjusted the "System Memory Multiplier" to 1600. I don't remember the exact error, but it basically said that the BIOS configuration caused a problem (didn't give details) and that I had to change some settings.

What I did to achieve what I wanted is below:
-Adjusted the Base Clock Frequency
-Adjusted the CPU Multiplier (ended up keeping it at 34 getting 4.03GHz @ 45c idle / 72c at load)
-Disabled Turob Boost (it was super heating the APU under load)
-Adjusted Loadline Control after reading a bit about it.

Changing the System Memory Multiplier to get higher than 13.33 caused it to not load. I'm not sure what I did above is the "proper" way of doing it, but short of checking voltages everything seems to be running within safe numbers.

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Cannot Set RAM to 1600 in BIOS

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