Cisco Systems 2620 User Manual

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BootROM Installation for Cisco 2620 and Cisco 2621 Routers
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Replacing the ROM
Replacing the ROM
To upgrade the router ROM software to a new ROM monitor version, you must replace the existing
ROM. Follow this procedure to replace the ROM:
Caution
Correct placement of the ROM is crucial. If improperly positioned, the new component could be
damaged when the router is powered on. Read all instructions before proceeding. To prevent damage to
the ROM from ESD (when handling the router and its components), follow the ESD procedures
described in your hardware guide and see the Regulatory Compliance and Safety Information document.
Be careful not to damage or scratch the printed circuit card under the ROM.
Step 1
Locate the ROM on the system board (motherboard) layout as shown in
Step 2
Gently remove the old ROM with a ROM extraction tool or a small flat-blade screwdriver, and set it
aside.
Figure 3
System Board Layout, Cisco 2620 and Cisco 2621 Only
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