Installing Fedora 14 on a ThinkPad T41
New in this release
Fixed or new in this Fedora release, with regards to this model ThinkPad is the following;
- External ONLY display now works when using Fn-F7 (Previously caused both displays to switch off)
- tpb is no longer part of Fedora, so no OSD any more for volume and brightness keys
Success Chart - Out of the box experience
This machines SMOLT profile is available here.
|Installation||Local CD/DVD install||yes|
|Display - ATI RV250||Laptop Screen||yes|
|DVI||yes||Requires port-replicator or dock with DVI|
|Power Management||Software Suspend (hibernate)||yes|
|Suspend to Memory (ACPI sleep)||no||Xserver hang on resume. bugzilla. boot with |
|Wireless||WiFi - Atheros AR5212||yes|
|WiFi - Intel||unknown (should work)|
|TrackPoint||yes||Install gpointing-device-settings rpm for full configuration capabilities|
|TouchPad||yes||Install gpointing-device-settings rpm for full configuration capabilities|
|Extra keys||partial||see ThinkPad Extra keys section below|
|Modem||no||Requires closed-source driver. Install the slmodem rpm from the rpmfusion-nonfree repository, edit /etc/sysconfig/slmodem and set INTERFACE=alsa and ALSA_DEVICE=modem:1 and optionally the country. Then run "chkconfig slmodem on; service slmodem start" and point your dialer to /dev/ttySL0|
|Serial||yes||Requires port-replicator or dock|
|IrDA||no||Device is detected, but does not work|
|PS/2 Keyboard/Mouse||yes||Mouse works, but disables Trackpoint/Touchpad|
|Parallel||unknown (should work)||Device is detected|
|Harddisk Active Protection||no||Fedora ships the hdapsd rpm, but not the tp_smapi kernel module, which is required to read the motion sensor bugzilla|
|Ultrabay device removal||partial||Eject switch causes udev event, but no default udev script to handle the event to unmount filesystems in time. ata_piix does handle the removal and insertion of ATA devices.|
|TPM (security subsystem)||yes||Enable security chip in BIOS, then "yum install tpm-tools", then "modprobe tpm_atmel; service tcsd start; tpm_version" works.|
Tested and Verified on Fedora 14
Information in this section has been tested and verified using this Fedora release.
Installation is straight forward, but you should do so without any external displays attached; you can follow the generic Fedora install instructions.
It is recommended to edit /boot/grub/grub.conf and add
hpet=force to the kernel line. This will activate HPET (High Precision Event Timer), which will allow the CPU to sleep for longer periods and save power.
You may also want to add
radeon.agpmode=-1 to work around a suspend/resume bug by disabling AGP support.
X Server - ATI RV250
Out of the box external displays (VGA or DVI) should work, and you can switch display modes with the Fn-F7 key combination.
The following issues still exist for single-head (LVDS only) setups
- unknown physical LVDS display size (0mm x 0mm) reported by RandR
And for Multihead or External displays. Some of these issues are likely caused by the limited amount of VRAM available (32MB)
- S-Video output is distorted Bugzilla
- Multihead causes the desktop to become very slow
- Screen rotation does not work in combination with Multihead
- Compiz does not work in combination with Multihead Bugzilla
- Metacity Compositing does not work with Multihead
- Strangely enough, plymouth gives a high-res text mode during boot with single-head, but graphical mode with Multihead boot
Both the Intel and Atheros AR5212 wireless should work out of the box.
Intel WiFi was not tested.
ThinkPad Extra keys
ThinkPad keys are handled by a mixture of the thinkpad_acpi, acpi button and acpi dock drivers.
|suspend||acpi button||HAL||partial||button works, but suspend fails on resume|
|wireless||thinkpad_acpi||HAL||partial||Works as a radio kill switch, kills WiFi but not Bluetooth|
|hibernate||acpi button||HAL||partial||button works, but hibernate fails|
|brightness up||-||no||yes||no OSD|
|brightness down||-||no||yes||no OSD|
|zoom||thinkpad_acpi||HAL||no||Known Xorg limitation, scheduled to be fixed with the new XKB2 extension, whenever that may be.|
|VolumeUp||Volume Up||thinkpad_acpi||no||yes||no OSD|
|VolumeDown||Volume Down||thinkpad_acpi||no||yes||no OSD|
|Vendor key||thinkpad_acpi||HAL||partial||No default action, but can be associated with gnome-keybinding-properties|
|NextTab||Browser Next tab||standard keyboard driver||HAL||yes|
|PreviousTab||Browser Previous tab||standard keyboard driver||HAL||yes|
|Power||Power button||acpi button||HAL||yes||Need to press button for ~1 second to trigger event. Causes a dialog asking you what to do.|
|Lid||Lid button||acpi button||HAL||yes|
|Dock||Dock eject button||acpi dock||unknown||unknown||Should cause udev event|
|Ultrabay||Ultrabay eject switch||acpi dock||udev||no||Causes udev event, but missing handler. See below.|
Ultrabay eject is not handled properly by default. Since there is no undock udev handler. This udev rule and eject script works for me: How to hotswap Ultrabay devices
IrDA is detected, but does not work. Part of the problem is that the default Fedora configuration expects to find the IrDA port at /dev/ttyS2, while it should use /dev/ircomm0 instead. This can be fixed in /etc/sysconfig/irda after which the irda service can be started (
# systemctl start irda.service).
However, even after this communication with other devices fails. irdadump does not show any output when something like a mobile phone with IrDA is sending data.
Untested on Fedora 14
The following features where not tested with this Fedora release. If you have tested them, please update the table
- Intel WiFi
- Parallel port
- Dock eject