HARDWARE IBM ThinkPad r51

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This article is part of the Hardware series.

Laptops • TV Tuner Cards • Wireless • Servers • Storage • Other Hardware • Motherboards • Related

1 Hardware
2 Troubleshooting
- 2.1 Suspend to ram
3 Links

[edit] Hardware

Varies. There is a complete list on ThinkWiki:

One of the following processors:
- Intel Celeron M 1.3, 1.4 or 1.5 GHz
- Intel Pentium M (Banias) 1.5, 1.6, 1.7, or 1.8 GHz
- Intel Pentium M (Dothan) 1.4, 1.5, 1.6, 1.7 GHz
One of the following video adapters:
- ATI Mobility Radeon 7500 with 32MB
- ATI Mobility Radeon 9000 with 32MB
- Intel Extreme Graphics 2
One of the following displays:
- 14.1" TFT display with 1024x768 resolution
- 15.0" TFT display with 1024x768 resolution
- 15.0" TFT display with 1400x1050 resolution
256 or 512MB PC2700 memory standard
30, 40, 60 or 80GB HDD
AD1981B AC'97 Audio Codec
UltraBay Enhanced with the following:
- CD-ROM drive
- DVD-ROM drive
- CD-RW/DVD-ROM Combo drive
- DVD-RW drive
- DVD±RW drive
One of the following integrated Ethernet controllers:
- Intel Fast Ethernet (10/100)
- Intel Gigabit (10/100/1000)
CDC slot with one of the following:
- IBM Integrated 56K Modem (MDC-2)
- IBM Integrated Bluetooth III with 56K Modem (BMDC-2)
MiniPCI slot with one of the following:
- none (open)
- Intel PRO/Wireless LAN 2100 3B Mini PCI Adapter
- Intel PRO/Wireless 2200BG Mini-PCI Adapter
- 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
CardBus slot (Type 3)
Embedded Security Subsystem Subsystem 2.0
Active Protection System
FireWire (IEEE1394) on select systems

(List taken from ThinkWiki, licenced LGPL 1.2)

[edit] Troubleshooting

[edit] 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:

Activate the following settings in the kernel:

Linux Kernel Configuration: ACPI Configuraion

Power management options (ACPI, APM)  --->
 ACPI (Advanced Configuration and Power Interface) Support  --->
  <*>   IBM ThinkPad Laptop Extras
  [*]   Sleep States

Before suspending, disable the ethernet adapter and the UltraBay. The hibernate-script can be configured to do this. A simple script to achieve this:

File: suspend-script.sh

 echo -n eject > /proc/acpi/ibm/bay
 ethtool -s eth0 wol d
 sleep 1
 echo mem > /sys/power/state

If problems persist, the graphics adaptor might not be suspending properly. Applying this patch to the kernel may help:

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);