Cisco Systems Cisco 12008 manual Backplane connector P4 Dram bank Tx Dimm Rx Dimm

Upgrading Memory on a Line Card

Figure 7-30 Memory Locations on Cisco Series 12000 Line Cards (Quad OC-3c/ STM-1C POS Card Shown)

Backplane connector

P4 DRAM bank 1

P4 DRAM bank 2

Tx DIMM 1

Rx DIMM 1
Rx DIMM 2	Tx DIMM 2

	R		R		R		R
E IE KT		E IE KT		E IE KT		E IE KT
TIV RR	P	TIV RR	P	TIV RR	P	TIV RR	P
AC CA RX		AC CA RX		AC CA RX		AC CA RX

0 1 2 3 Q OC-3/STM-POS

H10666

Before attempting to upgrade line card memory, consult Table 7-4 or Table 7-5 to determine the particular DIMM module(s) that you will need to achieve the desired memory configuration.

Table 7-4 lists the available configurations and associated product numbers of DRAM DIMMs for upgrading processor memory on a line card.

Maintaining the Cisco 12008 7-81