im confused, too

..
Cpu-z and everest disagree on fsb:ram ratio, but in a way, they are telling the same or similar things. The problem is, that fsb is quad pumped and ddr2 is quad pumped, too (thats why it eats less power and has bigger latency). But still it is double data rate, memory controller and dram communicate on double pumped bus that has to compensate this by ticking on twice the frequency. So its a mess.
(edit: the source of confusion is probably Cpu-z that reports mem bus speed for the desktop and memory core speed for the x41)
I would say, that you have ddr400 dual channel, that has some wasted bandwidth because of the low fsb of 400 MHz.
When looking at the measured throughput, i would be satisfied, since 3200MB/s is the theoretical maximum here (3200MB/s for FSB400 qp, right?), no matter if DDR400 single, DDR200 dual or DDR400 dual -- notice, that the chipset interered by putting the video buffer on the screen while benchmarking (assuming integrated graphics), so it is more distant from the maximum than for example my dual ddr400 @ athlon x2 3800+ (6100 vs 6400MBps theoretical max).