Broadcom BCM4312 802.11b/g

This is a Wlan Card found in the IdeaPad S9e. The IdeaPad Hardware platform differs from the ThinkPad platform.

WiFi Features

• Chipset: BCM4312 802.11b/g low power modification, also known as BCM4312 rev. 01
• IEEE Standards: 802.11b/g
• PCI ID: 14e4:4315
  

Lenovo Partnumbers

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.

IdeaPads this card may be found in

• S9e, S10e, S12

External Sources

• Service Parts: System service parts - IdeaPad S9e and S10e
• Broadcom Corporation BCM4312 802.11b/g 14e4:4315
• WLAN Karte (broadcom) will nicht...
• HOWTO: Use b43 driver with 14e4:4315 in Ubuntu