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700m Ram Speed?

K

keitaro85

Junior Member
Anyone know the speed of the ram on the dell 700m? My order says that the FSB is 400 mhz, so i Would assume DDR PC3200, but dell says PC2700 is intsalled. There were a few posts about the 6000 being a 533 mhz system, but 400 mhz ram. Doesn't this mean the ram is being overclocked? Or is notebook ram somehow different from desktops?

Thakn in advance
 
The Front Side Bus clock on the 700M is 400MHz. All 855 platform Centrino's are 400MHz FSB. However, most of the 400MHz FSB 855 chipsets use DDR 333 (PC 2700). The chipset itself only supports a max of DDR 333. Without overclocking the FSB to 200MHz (400MHz effective) you will see no gain by using PC 3200 RAM. If you want better RAM performance, invest in some Corsair Low Latency DDR SO-DIMM's. Same clock speed, but lower latencies.
 
Hmm so unlike desktops, are labtop FSB and Ram speeds not locked together? I thought if you had an FSB of 400 mhz, you HAD to have PC 3200 ram?
 
Desktop chipsets do not require that either. It is just that most later AMD systems had 400MHz FSB and 400MHz RAM. It is a better idea for RAM and the FSB to be synchronous, allows better performance, but not necessary.
 
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