GR memory,GR of memory part number list Part NnmberManufacturerDescription GR12882 NVRAM (Battery Based) GR27010 x8 EPROM GR27128 x8 EPROM GR27256 x8 EPROM GR27512 x8 EPROM GR27513 x8 EPROM GR2764 x8 EPROM GR281-15 NVRAM (Battery Based) GR281-20 NVRAM (Battery Based) GR281-4 NVRAM (Battery Based) GR881 NVRAM (Battery Based) 1