Can't find options to boost RAM on a M5A78L-M/USB3 motherboard.

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steve17bf2

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http://www.overclockers.co.uk/showproduct.php?prodid=MY-138-KS

I bought the above RAM, and wanted to OC just a little to go from 1600MHz to 1833MHz. I have looked and looked and looked in the BIOS but cannot find settings to manually increase timings, etc... Link to the motherboard: http://www.asus.com/uk/Motherboards/M5A78LMUSB3/specifications/

My System:

Operating System
Windows 7 Ultimate 64-bit
CPU
AMD Phenom II X4 945 44 °C
Deneb 45nm Technology
RAM
8.00GB Dual-Channel DDR3 @ 803MHz (9-9-9-24)
Motherboard
ASUSTeK Computer INC. M5A78L-M/USB3 (AM3R2) 45 °C
Graphics
Generic Non-PnP Monitor (1440x900@60Hz)
2048MB ATI AMD Radeon R9 200 Series (C.P. Technology) 33 °C
Storage
55GB Corsair Force GT ATA Device (SSD) 30 °C
232GB Seagate ST3250820AS ATA Device (SATA) 33 °C
232GB Seagate ST3250820AS ATA Device (SATA) 30 °C
Optical Drives
DTSOFT Virtual CdRom Device
Optiarc DVD RW AD-5260S ATA Device
Audio
VIA High Definition Audio
 
Solution
Justin Millard
I noticed something about your CPU. The AMD Phenom II X4 945 has a supported ram speed of 1333MHZ. Usually you can still run the system at the next RAM speed up and get that slight boost, which is what you have already been doing. However it tends to be a rule that jumping two standards (EG. 2133 on a 1600MHZ CPU or 1866 on a 1333 CPU) causes more issues than what its worth. Your motherboard is set up for overclocking RAM to that speed, but your CPU isn't.

This guy came close, but couldn't get his system to hit 1866.
http://www.overclockers.com/forums/showthread.php/677326-Phenon-II-x4-8GB-DDR3-1866-Giga-790XTA-UD4-%28trouble-O-C-ing%29

These folks also seem to believe 1600MHZ is the max ram speed that CPU memory controller can...
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Justin Millard

Justin Millard

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I noticed something about your CPU. The AMD Phenom II X4 945 has a supported ram speed of 1333MHZ. Usually you can still run the system at the next RAM speed up and get that slight boost, which is what you have already been doing. However it tends to be a rule that jumping two standards (EG. 2133 on a 1600MHZ CPU or 1866 on a 1333 CPU) causes more issues than what its worth. Your motherboard is set up for overclocking RAM to that speed, but your CPU isn't.

This guy came close, but couldn't get his system to hit 1866.
http://www.overclockers.com/forums/showthread.php/677326-Phenon-II-x4-8GB-DDR3-1866-Giga-790XTA-UD4-%28trouble-O-C-ing%29

These folks also seem to believe 1600MHZ is the max ram speed that CPU memory controller can handle.
http://www.tomshardware.com/forum/275555-29-overclock-phenom

I honestly think your better off leaving it running at low CL 1600MHZ as you probably won't get any performance boost out of overclocking it to 1866 even if you do manage to get it there somehow without any issues.
 
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Solution
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steve17bf2

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Dec 29, 2014
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Thanks for the reply man. You have taught me a bit there about the memory controller, thanks for the links too, exactly what I was after.
 
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