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Software and Hardware Requirements
If your router is mounted in a 4-post or telco-type rack, make sure you have at least one other person
available to assist you with removing the chassis from the rack.
Software and Hardware Requirements
The network processing engine and network services engine have different requirements for both
hardware and software. See the
Note
Cisco IOS Release 12.2 changed the behavior of the ROM monitor (ROMmon) during the bootup
sequence. See
NPE or NSE Requirements
When installing an NPE-175, NPE-225, NPE-300, NPE-400, NPE-G2, or NSE-1 in a Cisco 7200 VXR
router or Cisco uBR7246VXR router that is using a previously purchased I/O controller, you must
upgrade the I/O controller boot helper image. The Cisco uBR7225VXR router does not support port
adapters or I/O controllers.
Note
Instructions for upgrading the boot helper image on the I/O controller are contained in the online
Memory Replacement Instructions for the Network Processing Engine or Network Services Engine and
Input/Output Controller publication.
Figure 8-1
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1
2
3
4
5
6
Network Processing Engine and Network Services Engine Installation and Configuration
8-2
"Boot Changes in Cisco IOS Release 12.2" section on page 10-2
Input/Output Controller—Showing Boot ROM and Flash SIMM
1
3
Temperature sensor
Captive installation screw
PC Card slots
Optional Fast Ethernet port (MII receptacle)
LEDs and CPU reset button
Auxiliary port
"NPE or NSE Requirements" section on page
4
5
6
7
8
9
10 NVRAM (U41)
11 Temperature sensor
12 Boot ROM (U20)
Chapter 8
Preparation for Installation
8-2.
for more information.
8
9
10
11
12
7
Console port
Midplane connectors
Flash SIMM (U99)
OL-4448-12
- Quick Links:
- Chapter 6 Npe-G2 Overview
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Troubleshooting
