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Phenom II FSB:RAM
Name: plyduster Date: April 3, 2009 at 16:10:07 Pacific OS: Windows XP CPU/Ram: Phenom II 940 Subcategory: AMD
Comment:
What FSB:RAM ratio would provide the best performance for a Phenom II 940? I have 4 GB of PC 2 8500 memory installed.
The ratio is currently @ 3:8 (200/533). Should I be running the RAM @ 400 mhz (800 effective) instead? That would make the ratio 1:2, correct? Whatever happened to the old 1:1 days? I'm just a bit confused...
"Whatever happened to the old 1:1 days? I'm just a bit confused..."
You sure are. The ratio pertains to Intel systems, NOT AMD. AMD systems don't use a FSB & they haven't used it for over 5 years. They dumped the FSB in favor of the HyperTransport bus beginning with the 1st S754 Athlon 64 which was released in 2003. All AMD CPU's since then have run with a 200MHz reference clock.
Your DDR2-1066 RAM runs at 533MHz.
In other words, 200/533 is correct. There's absolutely nothing wrong with your settings.
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Response Number 2
Name: plyduster Date: April 3, 2009 at 17:43:50 Pacific
Summary: I was wondering i have an older dell computer the optiplex gx240 and i just ran cpuz. and the fsb:ram is 3 to 4. If the performance is better at 1:1 why doesnt dell automatically put it like that. Or...
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Name: plyduster
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