Broadcom BCM4312 802.11b/g
This is a Wlan Card found in the IdeaPad S9e. The IdeaPad Hardware platform differs from the ThinkPad platform.
- Chipset: BCM4312 802.11b/g low power modification, also known as BCM4312 rev. 01
- IEEE Standards: 802.11b/g
- PCI ID: 14e4:4315
Lenoco FRU PN: 43Y6487, 43Y6489
Linux WiFi driver
Broadcom has a proprietary driver. But it is not support channels 12 and 13.
There is free driver in kernel. It need some work on kernels below 2.6.32 and firmware from propriepary driver.