Debian on the IBM Thinkpad X40
Chapter 1 - Hardware

1.1 Overview

• CPU: Intel(R) Pentium(R) M processor 1.40GHz
• Graphic card: Intel Corp. 82852/855GM Integrated Graphics Device
• Sound chip: Intel Corp. 82801DB/DBL/DBM AC'97 Audio Controller
• LAN network card: Intel Corp. 82541GI Gigabit Ethernet Controller
• WIFI network card: Atheros Communications, Inc. AR5212 802.11abg
• Modem: reported as Intel Corp. 82801DB/DBL/DBM AC'97 Modem but actually a HAMR based Smart Link Soft Modem
• Cardbus: Ricoh Co Ltd RL5c476 II
• SD-Card reader: Ricoh Co Ltd: Unknown device 0822
• Harddisk: HITACHI_DK13FA-40B, ATA DISK drive
• IrDA: unknown, maybe SIR
• TCPA chip
• Bluetooth
• Active Protection System

1.2 Working hardware

• CPU with CPU frequency scaling, Section 3.4.1
• Graphic card with XFree86, Section 3.3 and framebuffer
• Sound, Section 3.6 Sound
• Intel e1000 Gigabit Ethernet Controller, Section 3.1.1 LAN
• Atheros Communications, Inc. AR5212 802.11abg NIC, Section 3.1.2 WIFI
• Modem, Section 3.5 Modem
• Cardbus
• Bluetooth

1.3 Not (yet) working or untested hardware

• IrDA: sir-dev loads but no signals are sent or received, there's however a patch schedueld for 2.6.12 inclusion
• TCPA chip: ibmasm module loads, however I have not yet performed any tests
• SD-Card reader: reports itself as Ricoh Co Ltd: Unknown device 0822, haven't found a working driver so far
• Active Protection System: There are rumors about a driver from IBM but I couldn't find one

Debian on the IBM Thinkpad X40