Highly reliable and proficient for most computing needs. The Think Pad R40 design is sturdy and has a good battery life. The hard drive is 40GB and the processor is an Intel Pentium 4 M @ 1.3 GHz. The Think Pad R series laptops were very good for their price but have outdated graphics.
The thinkpad R40 can be identified by a red/green/blue IBM and white thinkpad logo on the top of the cover. The series and number are in white and located below the screen in the bottom right corner.
Track down a number of hardware problems using the IBM Thinkpad R40 Troubleshooting guide.