Available GSR PRP memory configurations and memory partnumbers

Note: Do not mix memory sizes. If installing 2 DIMMs, both DIMMs must be the same size.

Note: Default SDRAM configuration is 512 MB. Bank 1 (U15) must be populated first. You can use one or both banks to configure SDRAM combinations of 512 MB, 1 GB, or 2 GB.

Note: One 512-MB DIMM is the default shipping configuration.

Note: 1.5 GB MB memory size is not supported.

Route Memory Configurations Available for Cisco 12000 Series Router PRP
Total Route Memory	Cisco Product Number	DIMM Modules	SDRAM DIMM Sockets
512 MB	Default SDRAM config.	1 x 512-MB DIMM	U15
1 GB	MEM-PRP-512=	2 x 512-MB DIMMs	U15 und U18
1 GB	MEM-PRP-1G=	1 x 1-GB DIMM	U15
1.5 GB	not supported	—	—
2 GB	2MEM-PRP-1G=	2 x 1-GB DIMMs	U15 und U18