Difference between revisions of "Thinkpad"

Revision as of 15:47, 6 September 2012

General Information

Thinkpad Related Resources

ThinkPad Troubleshooting by topic
Linux Driver Matrix for ThinkPads
Thinkpad_Passwords
Disassembly Instructions for ThinkPads (Covering most models!)

Known Problems, Unsolved

We've run into a handful of machines that reboot when you try to load anything down from the netboot menu, such as memtest. On the first of these machines we encountered, we tried downloading an ubuntu iso, and the md5sum was correct, there was no corruption in the file download that we could find.

List of machines with this problem:

R61, BIOS version 1.1, Update to version 2.29 made no difference

Models

Thinkpad 600

isa sound issues

modprobe cs4232 io=0x530 irq=5 dma=1 dma2=0 mpuio=0x330 mpuirq=5 synthirq=-1 synthio=-1

Thinkpad 600e

isa sound issues

modprobe cs4232 io=0x530 dma=1 dma2=0 irq=5

Thinnkpad T20/T21

fan issues

YAY FIXED!

SIMPLE

append:

 acpi=force

to the grub boot options.

then:

echo 0x2f 0x07 > /proc/acpi/ibm/ecdump

typing that command and redirecting that output to the embedded control dump (ecdump) file will turn that fan on at it's maximum speed.

Notes

this simple script found here:http://www.thinkwiki.org/wiki/ACPI_fan_control_script and take care of any unnecessary end-user interaction with the fan control. other useful information can be found their as well, about controlling the fan.

links

http://www.thinkwiki.org
http://ibm-acpi.sourceforge.net (there is a useful chart with a bunch of ibm information and what ibm_acpi is known to support)

Thinkpad T30

RAM slot failure, it's a solder failure, usually starts in the second slot and worsens from there. http://www.thinkwiki.org/wiki/Problem_with_failing_memory_slot As-is these machines.

Thinkpad R60

In the frame buffer environment (pre-GUI) the top portion of the screen has a stripe of garbled (red) characters. This fix worked for this chipset:

$ lspci -k | grep -A1 VGA
01:00.0 VGA compatible controller: ATI Technologies Inc Radeon Mobility X1400
	Kernel modules: radeon
$ sudo gedit /etc/default/grup

Edit the GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" to read GRUB_CMDLINE_LINUX_DEFAULT="radeon.modeset=0 quiet splash".

Run

$ sudo update-grub

Reboot. Is fixed, no?

Thinkpad X61

Issue: Wireless device recognized, not working
Details: First thought was that the integrated Bluetooth device was having some kind of hardware conflict with the wireless card. Running rfkill list showed the wireless card subject to a hardware block, which usually stems from a wireless switch. However, flipping the wireless switch (physical switch immediately below the center of the palm rest, SoftKey = Fn+F2) would bring the bluetooth up and then down, but leave the wireless as it was. Turns out, the solution was a BIOS option.
Solution

Enter BIOS (F1 on POST)
Go to Config -> Network
Set the Wireless LAN Radio Frequency option to On

And you're golden. Sheesh.

Thinkpad R61

Issue: Systems with BIOS passwords do not netboot correctly: System reboots when an option is selected
Solution: Install a hard drive, network boot should behave normally. Working hypothesis is the locked BIOS passes incorrect system information about a drive being present, and clobbers the netboot.

@@ Line 9: / Line 9: @@
 #[http://repair4laptop.org/disassembly_ibm.html Disassembly Instructions for ThinkPads] (Covering most models!)
+===Known Problems, Unsolved===
+We've run into a handful of machines that reboot when you try to load anything down from the netboot menu, such as memtest. On the first of these machines we encountered, we tried downloading an ubuntu iso, and the md5sum was correct, there was no corruption in the file download that we could find.
+List of machines with this problem:
+#R61, BIOS version 1.1, Update to version 2.29 made no difference
 ===Models===