This is because a FireWire bus can alternate between varying speeds in real time, regardless of whether one of the devices is much slower than the others.
Nke a bụ n'ihi na ụgbọ ala FireWire nwere ike ịgbanwe n'etiti ọsọ ọsọ na ọsọsọ, n'agbanyeghị ma otu n'ime ngwaọrụ dị nwayọ karịa ndị ọzọ.