Result: ThinkPad T400s (2801, 2808, 2809, 2815, 2823, 2824, 2825-xxx)

Specifications
Processor : Intel Core 2 Duo
Memory Installed : 1GB or 2GB (Removable)
Max. Memory : 4GB using a 32-bit Operating System, 8GB using a 64-bit Operating System
Expansion : 2 Sockets
Type : Notebook PC
Configuration Notes : * Mfgr's System P/N's: 2801-xxx; 2808-xxx; 2809-xxx; 2815-xxx, 2823-xxx; 2824-xxx; 2825-xxx
* If 4GB is installed, the recognized memory may be reduced to 3.5GB or less (depending on system configuration and memory allocation). Maximum configurations require a 64-bit operating system.
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