Lenovo ThinkPad X61

Hardware configuration

 * CPU:Intel Core 2 Duo T7250@2.0GHz
 * RAM:4GB DDR2 667Mhz (extended from 1GB)
 * SSD:120GB SATA2 (changed from HDD 100GB 7200rpm)
 * GPU:Intel GMA X3100
 * LCD:12" XGA(1024x768)TFT
 * Active Protection System (APS, not applicated for SSD)
 * Intel HD Audio
 * Intel Gigabit Ethernet (10/100/1000) PCI-Express
 * Atheros Wireless AR2425 Mini-PCI Express Adapter
 * ThinkPad 56K Modem (not used)
 * Trusted Computing Group TPM (not used)
 * SD Card slot
 * CardBus slot (PC Card Type 2) (not tested)
 * Firewire 400 (IEEE1394a, not tested)
 * Broadcom Corp. BCM2045B (BDC-2) Bluetooth
 * Mono speaker and microphone
 * Weight is ~1.6kg with battery

Printout of lspci -nn:

Printout of lspci -kk:

Printout of lsusb:

Printout of lsmod (builtin devices, no external devices connected):

Patching Linux kernel to get Atheros WIFI [168c:001c] LED works
cd /usr/src/linux

wget https://atheros-ar242x-ar542x-wifi-laptop-led-support.googlecode.com/git/ath5kled-patch

patch -p0 < ath5kled-patch

Kernel config
Example of kernel configuration: x61-kernel-config

Updating BIOS to get SATA2 interface with increased speed
Official BIOS release has a limited SATA2 interface speed - 1.5 Gb/s. Modified BIOS with SATA2 3 Gb/s