1GB, DDR2, 800MHz, 200-pin SO-DIMM
HP 5189-2821, 1 GB, 1 x 1 GB, DDR2, 800 MHz, 200-pin SO-DIMM
HP 5189-2821. Internal memory: 1 GB, Memory layout (modules x size): 1 x 1 GB, Internal memory type: DDR2, Memory clock speed: 800 MHz, Memory form factor: 200-pin SO-DIMM