Datasheet

79
OL-17436-01
Additional Configuration and Maintenance Tasks
Figure 22 Locations of PRP Components and Memory
Before proceeding, ensure that you have the proper tools and ESD-prevention equipment available. To
upgrade SDRAM, you will install DIMMs in one or two banks (U15 and U18). Table 27 list the various
available configurations of SDRAM DIMMs, the number of DIMMs for each configuration, and the
SDRAM banks they occupy. Note which banks you should use, given the combinations of available
DIMM sizes and the maximum SDRAM you require.
Note Depending on the configuration of your router and the protocols and features your system is running,
you might require more than the default SDRAM provided. Upgrade SDRAM based on your
requirements and the information in Table 27.
.
1 Backplane connector 6 Ethernet ports
2 Flash SIMM (Socket number P3) 7 Auxiliary port
3 SDRAM DIMMs
Bank 1 - Socket number U15
Bank 2 - Socket number U18
8 Console port
4 Ejector lever 9 Handle
5 Flash disk slots 10 Display LEDs
E
J
E
C
T
RX
T
X
PRIMARY
S
LO
T-1
S
LOT-0
LINK
EN
RX
TX
ETH 1ETH 0 AUX CONSOLE
PERFORMANCE ROUTE PROCESSOR 1 (PRP-1)
LINK
PRIMARY
E
N
R
E
S
E
T
75042
2
4
1
5 7 8 109
6
3