Installation guide

30
Upgrading System Memory in Cisco 2600 Series Routers
78-5125-04 B0
Replacing the Boot ROM
Figure 13 System Card Layout for Cisco 261x, Cisco 262x, and Cisco 265x Routers
56421
Ethernet
Console
AUX
Ethernet
Primary memory
(DRAM DIMMs)
Lattice
U22 U23
Advanced Interface
Module
PCI connector
System-code SIMM
(Flash memory)
Boot
ROM
Pin 1
Duart
reset
Reset