On AMD4800 + (65 nm) CPU FSB frequency and

Users questions: I bought the machine is a Lenovo 2006 brand machine, recently had the opportunity for the CPU, turned out to be AMD3800 + (90 nm) dual-core processor, clocked a 2.0G, recently changed a AMD4800 + (65 nm) dual-core processor This processor clocked at 2.5G, 2 00ZHZ's Department frequency, but I installed XP system properties only shows 2.49G computer clock speed, with the CPU-Z test out the CPU FSB software testing only 199ZHZ ask how this is going, normal? CPU will not be a problem with it, there is a professional testing software testing C PU core usage, the two differ greatly from the use of the kernel is very simple, I press F5 on the keyboard has been holding down constantly refreshed, one can reach about 80 percent, less than one percent can be 30 utilization, which in turn normally do, is there any good solution, thank you but I used the 3800 +2.0 G's frequency to show 2.0G, it may have for why the difference with the post-ah, ah
Experts answer:XP the same system, the computer system properties only shows 2.49G 2.5G clocked with the same frequency as , XP is not precise enough calculation only "CPU-Z test software Test pieces out of the CPU FSB is only 199ZHZ "to see the following parameters FSB: 200MHz, have no problem AMDAthlon64X24800 + AM2 (65 nm * box) parameters of CPU frequency frequency (MHz) 2500MHz; bus frequency (MHz) 1 000MHz frequency (times) 12.5; FSB 200MHz "great gap between the two cores using" the normal, not load balancing, some applications can handle single-core, and some support on a not very good, normal, not to interfere with the operating system they will adjust the treatment process, You worry a little bit redundant
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