Cisco 10008 Installation And Configuration Manual page 26

Managing System Boot Parameters
Table 8 Definition of Bits in the Software Configuration Register
Bit No. Hex 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
Cisco 10008 Router PRE4 Installation and Configuration Guide
26
Meaning/Function
Defines the source of a default Cisco IOS software image required to run the router:
• 00—At power-on, the system remains at the ROM monitor prompt (rommon>),
awaiting a user command to boot the system manually by means of the ROMmon
boot command.
01—At power-on, the system automatically boots the first system image found on
•
the PRE4.
02 to 0F—At power-on, the system automatically boots from a default Cisco IOS
•
software image stored on a TFTP server in the network. For this setting, the
Fast Ethernet port on the PRE4 must be configured and operational. This setting
also enables boot system commands that override the default filename.
Causes system software to ignore the contents of NVRAM.
Enables the original equipment manufacturer (OEM) bit.
The Break function is disabled after 30 seconds.
Not used.
Broadcast based on 0.0.0.0 IP address.
Defines the console baud rate (the default setting is 9600 baud).
Boots an image from Disk0.
Broadcast using the subnet broadcast address.
Enables diagnostic messages and ignores the contents of NVRAM.
OL-13840-01