Cisco PRP-1= Installation And Configuration Manual page 56

Additional Configuration and Maintenance Tasks
Table 8 Software Configuration Register Bit Meanings
1
Bit Number Hexadecimal Value
00 to 03 0x0000 to 0x000F
06 0x0040
07 0x0080
08 0x0100
09 0x0200
10 0x0400
11 and 12 0x0800 to 0x1000
13 0x2000
14 0x4000
15 0x8000
1. The factory default value for the software configuration register is 0x0102. This value is a combination of binary bit 8 =
0x0100 and binary bits 00 through 03 = 0x0002.
2. OEM = original equipment manufacturer.
Note
Performance Route Processor Installation and Configuration Guide
56
Table 8 defines the bits in the software configuration register.
Meaning/Function
Comprises the boot field for defining the source of a default
Cisco IOS software image required to run the router
(see
Causes system software to ignore the contents of NVRAM
Enables the OEM
Disables the Break function
Uses a secondary bootstrap
Broadcasts Internet Protocol (IP) with all zeros
Defines the console baud rate (the default setting is 9600 bps)
Boots the default Flash memory software if the network boot
fails
Excludes network numbers from IP broadcasts
Enables diagnostic messages and ignores the contents of
NVRAM
Valid software configuration register values may be combinations of settings,
rather than the individual settings listed in
default value 0x0102 for the software configuration register is a composite of
several settings.
Table 9)
2
bit
Table 8. For example, the factory
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