HP 256 MB DDR2 144-pin DIMM
HP CB423A, 0,25 GB, 1 x 0.25 GB, DDR2, 144-pin SO-DIMM
HP CB423A. Internal memory: 0,25 GB, Memory layout (modules x size): 1 x 0.25 GB, Internal memory type: DDR2, Memory form factor: 144-pin SO-DIMM