B-30
Cisco 2600 Series Routers Hardware Installation Guide
OL-2171-02
Appendix B Maintaining the Router
Replacing the Boot ROM
Figure B-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