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Chapter 4 System Startup and Basic System Configuration
Powering On the Router and Observing the Boot Process
4-8
Cisco 12010, Cisco 12410, and Cisco 12810 Router Installation and Configuration Guide
OL-11496-01
Step 6 During the line card boot process, observe the alphanumeric LED displays on
each line card (Figure 4-4).
Note The line card boot process occurs immediately after the RP boot process.
The system attempts to boot identical line cards in parallel. Further, the system
boots line cards as soon as they are powered on and become available. Each line
card displays a sequence similar to those shown in Table 4-2.
Figure 4-4 Line Card Alphanumeric LED Displays—Partial View Shown
Table 4-2 Line Card Alphanumeric LED Display Sequence Examples
LED Display
1
Meaning Source
MROM
nnnn
The MBus microcode begins to execute; nnnn is the microcode
version number. For example, microcode Version 1.17 appears as
0117
2
.
MBus
controller
LMEM
TEST
Low memory on the line card is being tested. Line card
ROM monitor
MEM
INIT
The size of main memory on the line card is being discovered. Line card
ROM monitor
H11344
Upper alphanumeric
LED display (four digits)
Lower alphanumeric
LED display (four digits)