This manual contains service and reference information for IBM Thinkpad T40/T40p, T41/T41p, T42/T42p series (MT2373,2374,2375, 2376, 2378, 2379, 2668, 2669, 2678, 2679, 2686 and 2687), and ThinkPad Dock II (MT2877) products. Use this manual along with the advanced diagnostic tests to troubleshoot problems.

Download ThinkPad Computer Hardware Maintenance Manual