AB228A HP 8-GB Chip Spare PC2100 DDR-SDRAM Memory Quad

AB228A is an 8-GB chip spare PC2100 DDR-SDRAM memory quad of four 2GB DIMMs, for the HP Integrity rx2600 and the HP Integrity rx2620. HP calls the part the rx2600 8GB DDR memory quad. The spare modules for it are A6835-69001 and A6970AX, each a 2.0GB, 266MHz, PC2100, registered ECC DDR SDRAM DIMM memory module.

Both servers have twelve DIMM slots. Memory goes in as quads of four equal-density DIMMs, loaded in the order marked on the system board, and each quad puts two DIMMs on each memory bus. Total memory bandwidth is 8.5 GB/s over two 4.25-GB/s buses.

On the rx2600 the quad options are A9908A (1 GB), A9909A (2 GB), A9910A (4 GB) and AB228A (8 GB), and the server tops out at 24 GB, which is twelve 2-GB DIMMs. On the rx2620 the 1-, 2- and 4-GB quads are AB395A, AB396A and AB397A, a 16-GB quad AB475A is added, and the maximum is 32 GB, eight 4-GB DIMMs. The memory options of the rx2620 are also supported in the rx2600.