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DRAM:FSB Ratio at 12:6

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August 20, 2010 7:21:19 AM

I recently flashed my motherboard for the first time because my AM3 processor was showing up as "AMD Unknown Model" and as i was looking through Everest i realized my DRAM:FSB ratio was at 12:6. To be honest i really had no idea what it ment at first but after a few minutes on Google, I realized that for the best performance it should be at 1:1.

I do alot of gaming on my computer so i always like to push every last bit of power out of my computer, I was reading a different forum about the 12:6 ratio and someone said that their RAM was basically running at half power, Is this true? And if so, How can i fix that and make my DRAM:FSB ratio to 1:1?

Iv always thought my PC ran a little slow for 4GB of RAM. Could this possibly be the reason?

--------[ EVEREST Ultimate Edition ]------------------------------------------------------------------------------------

Version EVEREST v5.30.1900
Benchmark Module 2.4.273.0
Homepage http://www.lavalys.com/
Report Type Report Wizard
Computer THAGHOST-MAIN (THAGHOST)
Generator Administrator
Operating System Microsoft Windows XP Professional x64 Edition 5.2.3790 (Win2003 RTM)
Date 2010-08-20
Time 03:19


--------[ Overclock ]---------------------------------------------------------------------------------------------------

CPU Properties:
CPU Type DualCore AMD Phenom II X2 Black Edition 550
CPU Alias Callisto
CPU Stepping RB-C2
Engineering Sample No
CPUID CPU Name AMD Phenom(tm) II X2 550 Processor
CPUID Revision 00100F42h
CPU VID 1.3500 V
North Bridge VID 1.1500 V

CPU Speed:
CPU Clock 3093.8 MHz
CPU Multiplier 15.5x
CPU FSB 199.6 MHz (original: 200 MHz)
HyperTransport Clock 1996.0 MHz
North Bridge Clock 1996.0 MHz
Memory Bus 399.2 MHz
DRAM:FSB Ratio 12:6

CPU Cache:
L1 Code Cache 64 KB per core
L1 Data Cache 64 KB per core
L2 Cache 512 KB per core (On-Die, ECC, Full-Speed)
L3 Cache 6 MB (On-Die, ECC, NB-Speed)

Motherboard Properties:
Motherboard ID 12/04/2009-MCP78-M3N78PRO-00
Motherboard Name Asus M3N78 Pro (3 PCI, 2 PCI-E x1, 1 PCI-E x16, 4 DDR2 DIMM, Audio, Video, Gigabit LAN)

Chipset Properties:
Motherboard Chipset nVIDIA GeForce 8300, AMD K10
Memory Timings 5-5-5-18 (CL-RCD-RP-RAS)
Command Rate (CR) 2T
DIMM1: Corsair XMS2 CM2X2048-6400C5 2 GB DDR2-800 DDR2 SDRAM (5-5-5-18 @ 400 MHz) (4-4-4-13 @ 270 MHz)
DIMM2: Corsair XMS2 CM2X2048-6400C5 2 GB DDR2-800 DDR2 SDRAM (5-5-5-18 @ 400 MHz) (4-4-4-13 @ 270 MHz)

BIOS Properties:
System BIOS Date 12/04/09
Video BIOS Date 03/03/08
Award BIOS Type Phoenix - AwardBIOS v6.00PG
Award BIOS Message ASUS M3N78 PRO ACPI BIOS Revision 1402
DMI BIOS Version ASUS M3N78 PRO ACPI BIOS Revision 1402

Graphics Processor Properties:
Video Adapter BFG GeForce 9600 GT
GPU Code Name G94GT (PCI Express 2.0 x16 10DE / 0622, Rev A1)
GPU Clock (Geometric Domain) 675 MHz (original: 675 MHz)
GPU Clock (Shader Domain) 1700 MHz (original: 1700 MHz)
Memory Clock 900 MHz (original: 900 MHz)




Thanks in advance.

More about : dram fsb ratio

August 20, 2010 8:00:56 AM

New thought.. Would changing my multiplier to 8 (from 15.5) and my FSB up to 400 (from 200) fix the problem? Next question is would it be stable?
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August 20, 2010 4:44:24 PM

thaghost101 said:
To be honest i really had no idea what it ment at first but after a few minutes on Google, I realized that for the best performance it should be at 1:1.

Haha yeah maybe in the late 90's, when there would be a slight performance boost from that, if any. Today it makes no difference.

New thought.. Would changing my multiplier to 8 (from 15.5) and my FSB up to 400 (from 200) fix the problem? Next question is would it be stable?
I'll answer this question all at once. No it won't solve your problem because it won't be stable.
Unless your motherboard will support changing all your other component frequencies like ram, PCI-e, etc. This is because everything bases itself off of the fsb, not just the CPU.

The conclusion:
Don't worry about it.
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September 9, 2010 9:50:14 AM

Best answer selected by thaghost101.
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September 9, 2010 3:03:30 PM

This topic has been closed by Mousemonkey
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