[ltp] Ubuntu Dapper Drake working fine with Thinkpad T60

Fri, 16 Jun 2006 21:10:02 -0500

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 having gotten things working well with OpenSuse 10.1, I recently
installed Ubuntu Dapper Drake 6.04 on my new T60 Thinkpad.  Overall, I
got everything working well.  no need for anything beyond acpi for
power management really.  Further, there was no need to patch a
kernel.  Here are the steps that I took.

kernel
 These laptops are dual core, so let's get the 686-SMP flavor of the
kernel. sudo apt-get install linux-686-smp

video
 Dapper has the latest compatible ATI drivers so just use apt. sudo
apt-get install xorg-driver-fglrx fglrx-control

I have also attached my xorg.conf file,

networking
 I recommend using the new network manager, it too is available
through apt. sudo apt-get install network-manager-gnome

You will want to edit your /etc/network/interface file and comment out
all interfaces except for the loopback.

auto lo
 iface lo inet loopback

#auto eth0
 #iface eth0 inet dhcp

#auto eth1
 #iface eth1 inet dhcp
 #wireless-essid Think Different

#auto eth2
 #iface eth2 inet dhcp

#auto ath0
 #iface ath0 inet dhcp

#auto wlan0
 #iface wlan0 inet dhcp

Power Management
 Now that I had both video and networking going smoothly, I decided to
tackle power management. First off, I am sticking with ACPI. It works,
as you will soon find out. You can enable support for sleep in a few
simple steps:

1. Uncomment the line ACPI_SLEEP=true in /etc/default/acpi-support

2. Assign the location of your swap partition to the resume variable
in your default kernel options. Also set your acpi_sleep variable to
s3_bios. All of this is added to the # kopt line of your
/boot/grub/mnu.lst file. Remove the splash variable from the line.
This is important. Here is what my kopt line looks like. Remember to
leave it commented out.

# kopt=root=/dev/sda6 ro resume=/dev/sda5 acpi_sleep=s3_bios

3. Next I want to make use of sysfs to ensure that my cpu scaling mode
is set to my preferences.

sudo apt-get install sysfs

I have attached my sysfs.conf file for you to reference.

4. It will be necessary to get laptop-mode up and running according to my needs.
 sudo apt-get install laptop-mode

5. You will also want to install smartctl for monitoring your drive
along with some power-management.
 sudo apt-get install smartctl

6. I then modified my /etc/rc.local to make use of these utilities.

 /usr/sbin/smartctl -s on -d ata /dev/sda
 /sbin/hdparm -S 1 /dev/sda
 /usr/bin/touch /var/run/laptop-mode-enabled
 /usr/sbin/laptop_mode start

That's it.  Video, networking, and power management work like a charm.

Sean

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