Installation guide

Replacing Memory in Cisco 4000 Series Routers C-3

Figure C-1 Cisco 4000-M SIMM Locations

Note Conﬁgure the J5 jumper as shown in Figure C-1 to permit writing to Flash memory.

Figure C-2 shows the Cisco 4500-M and Cisco 4700-M SIMM and jumper locations.

Main memory SIMM socket

with proper SIMM orientation

Front of the chassis

Motherboard

Shared-memory

SIMM socket

H5981

Flash memory

SIMM sockets

FW1

FW2

Boot ROMs

U114

U110

Boot ROM jumpers (J7 and J8)

Pin 1

J6 write-enable

jumper position

Pin 1

U44