Kingston KVR400X64SC3A/256 DDR400 256M/32x64 Original SODIMM Notebook Memory
Specification:

Mfr Part Number: KVR400X64SC3A/256
Type: SODIMM
Capacity: 256MB
Speed: PC3200 400MHz
Size&Bit: 32M x 64
Pins: 200pin
ECC: No
SDRAM-DDR, 2.6V, CL3
Kingston Original Chip