My system:
Lenovo B570
CPU: i3-2330M 2.20GHz
RAM: 8GB DDR3
WLAN: Atheros AR9285 Rev 2
Ethernet: Realtek RTL8xxx Gigabit
Audio: ALC272
My BIOS version: 44CN43WW
Huge thanks to macinsane for his great Lion guide.
I start this thread just to update his guide to Mountain Lion.
This guide should be useful for similar laptops like Lenovo V570, V470, z570, z560…
I'm not English, sorry for any mistake I've made in this guide (please report, I will happy to correct them).
What works:
QE/CI
Speedstep and sleep
Audio (speakers, microphone, headphones, external mic)
HDMI (audio via HDMI not tested, but should work)
eSATA
Webcam with CamTwist, or switching camera module (read below)
Brightness keys (remapped to Fn+Home and Fn+Insert) (I can't be able to set lowest brightness steps like in Ubuntu. See details)
Volume keys
HWMonitor (Temp, Multiplier, Frequency)
DVD burner
What doesn't work:
Card reader (Realtek rts5139 USB)
Fingerprint Scanner (LighTuning Technology)
I'v...