Re: looking for opinions on laptop

On Wed, Jul 4, 2012 at 10:23 AM, Alexandr <[email protected]> wrote:
> I'm using Lenovo B570 (Core i5-2410M) with 10-CURRENT and with 9-STABLE
> after KMS patches were committed.
>
> Works perfect:
> 1. Intel GMA with latest i915kms and dri2. Nvidia Optimus mode disabled
> in BIOS.
> 2. Network with re(4)
> 3. Wireless NIC (broadcom) was replaced with new Intel 6025 bought from
> e-bay for 20$
> 4. Bluetooth
>
> Doesn't work:
> 1. Fn-keys
> 2. Screen backlight control
> 3. Suspend/Resume
> 4. Doesn't boot from GPT-disk, only from MBR (bios related issue)

I have a very similar T520. Same as above, but two spindles (which I
still like) except:
Wired network card is Intel 82579LM supported in head, 9, and 8.3

Wireless can be selected to use the Intel card at no extra cost, but
default is a RealTek that is not supported

SOME Fn keys work and others may be redefined to work. Brightness in
particular does not work and I have not been able to get it to work.
ThinkLight does work.

Backlight can be adjusted with the SET by command using the acpi_call
port. This includes trurnig off and on.

Mine boots fine from GPT disk. (My FreeBSD boots from the GPT disk.) I
am really surprised the X220 fails on them.

Sound works, but you need to change a couple of pins to get the audio
jack working. Add the following to /boot/loader.conf:
# Load the sound driver
snd_hda_load="YES"
# and setup headphones
# Out : speaker + headphones
hint.hdac.0.cad0.nid25.config="as=1 seq=15"
# In : mic + external mic
hint.hdac.0.cad0.nid35.config="as=2"
hint.hdac.0.cad0.nid27.config="as=2 seq=15"

I have not tried to use the HDMI, so I have no idea about it.
-- 
R. Kevin Oberman, Network Engineer
E-mail: [email protected]
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