Comment 12 for bug 1309112

regarding bios, and just to provide some information.
http://download.lenovo.com/ibmdl/pub/pc/pccbbs/mobiles/8fuj10uc.txt
has the changelog of the bios.

1.17 is currently the latest. Heres the last 4 changelog entries:

<1.17>
 BIOS: 1.17 / ECP: 1.10
 - (New) Updated CompuTrace ROM.

<1.16>
 BIOS: 1.16 / ECP: 1.09
 - [Important] Added support for Windows 8.
 - (Fix) Fixed an issue where Wake On LAN function works on battery even if
         "AC Only" is selected in ThinkPad Setup.
 - (Fix) Fixed an issue where file transfer from USB storage device to local
         HDD may not work after resume from S3 sleeping state.
 - (Fix) Fixed an issue where Master Control of Wireless Radio become "ON" after
         both AC Adapter and battery are unplugged from system.

<1.15>
 BIOS: 1.15 / ECP: 1.08
 - (Fix) Fixed an issue where USB memory key might not boot via USB hub
         without external power supply.
 - (Fix) Fixed an issue where Bluetooth is turned on automatically when Master
         Control of Wireless Radio is turned on.
 - (Fix) Fixed an issue where playing Music to USB speaker can't continue after
         resume from S3 sleeping state.
 - (Fix) Fixed an issue where the computer might fail to boot when connected
         the Smartphone with the USB port.
 - (Fix) Fixed an issue where system can not boot with damaged battery.
 - (Fix) Fixed an issue where Keyboard Beep might not work correctly under
         a certain condition.

<1.14>
 BIOS: 1.14 / ECP: 1.07
 - (New) Added support for the Password Beep function.
 - (New) Added support for Erasing of the Solid State Drive.
 - (Fix) Fixed an issue where the expected machine serial number might not be
         stored in the serial number field of SMBIOS type 3 structure.
 - (Fix) Fixed an issue where system can not wake on lan in battery mode
         though "AC and Battery" is selected in ThinkPad Setup.