IBM ThinkPad T42

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Reason: This laptop has a 32-bit CPU which is not supported by Arch Linux. (Discuss in Talk:IBM ThinkPad T42#)

This page documents configuration and troubleshooting of the IBM ThinkPad T42.


If not already loaded, use modprobe to load the thinkpad_acpi module. See the acpi and laptop articles for more information.

See for more ThinkPad specific information.

CPU frequency scaling

See cpufrequtils.

Suspend and hibernate

See Suspend and hibernate.


The MiniPCI slot on the T42 usually comes with 1 of 6 wireless cards, 3 by IBM and 3 by Intel.

IBM Cards

  • IBM 11b/g Wireless LAN Mini PCI Adapter
  • IBM 11a/b/g Wireless LAN Mini PCI Adapter
  • IBM 11a/b/g Wireless LAN Mini PCI Adapter II

For the ath5k module, please read the following article: Wireless Setup#ath5k.

If using the ath_pci module, you may need to blacklist the ath5k module.

Intel Cards

See the following: Wireless Setup#ipw2100 and ipw2200.

  • Intel PRO/Wireless LAN 2100 3B Mini PCI Adapter (use ipw2100)
  • Intel PRO/Wireless 2200BG Mini-PCI Adapter (use ipw2200)
  • Intel PRO/Wireless 2915ABG Mini-PCI Adapter (use ipw2200)

See Also