Broadcom 802.11 无线局域网适配器安装程序Broadcom Wireless LAN Driver 版本号:5.10.91.8安装说明：
将下载的sp43742解压后再打开里面的Setup.exe安装。
此驱动程序支持：802.11i/WPA2 for a/b/g and certain b/g WLAN cards, for
other cards, it provides Wi-Fi protected access (WPA) support. This driver also
supports Cisco Compatible Extensions Program V4.0 features (software supplicant
required) and provides support for "125 High Speed Mode" for notebooks with
Broadcom 802.11g and 802.11a/b/g cards that support "125M High Speed Mode".
