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IBM_ThinkPad_R51

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Contents

Hardware

Varies. There is a complete list on ThinkWiki:

(List taken from ThinkWiki, licenced LGPL 1.2)

Troubleshooting

Suspend to ram

Some R51 models might have a problem with power-drain while the laptop is in S3 (Suspend-To-Ram) mode. In order to have S3 working properly, do the following:

Linux Kernel Configuration: ACPI Configuraion
Power management options (ACPI, APM)  --->
 ACPI (Advanced Configuration and Power Interface) Support  --->
  <*>   IBM ThinkPad Laptop Extras
  [*]   Sleep States
File: suspend-script.sh
 echo -n eject > /proc/acpi/ibm/bay
 ethtool -s eth0 wol d
 sleep 1
 echo mem > /sys/power/state
Note: This patch is written for 2.6.13.4. It might need to be applied manually.
--- drivers/video/aty/radeon_pm.c       2005-11-13 00:16:40.032246000 +0100
+++ drivers/video/aty/radeon_pm.c       2005-11-13 00:18:47.560216000 +0100
@@ -2540,6 +2540,11 @@
        if (state != PM_SUSPEND_MEM)
                goto done;

+       /* Radeon patch (Suspend save memory)
+        */
+       rinfo->pm_mode |= radeon_pm_d2;
+       OUTREG(TV_DAC_CNTL, INREG(TV_DAC_CNTL) | 0x07000000);
+
        acquire_console_sem();

        fb_set_suspend(info, 1);

Links

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Last modified: Wed, 10 Sep 2008 04:27:00 +0000 Hits: 13,045