Same hardware,Toshiba notebook,Dell 1370 BCM4318 wireless card miniPCI
Four operating sistems,same location.
Windows XP -drivers from Dell. -one-two network bars most of time limited or no connectivity rare case when still works very low speed.
Windows Seven -Microsoft drivers included. -two network bars connection speed 24-36Mb
BT4 prefinal -drivers b43. signal ~50% speed 36-48Mb,over 50% works ok,under 50% signal no internet poor network access.
OSX86 -signal full speed 54Mb works super.
Did anybody encountered something similar and could recommend some good drivers?