Installation guide

D-8 Cisco 4000 Series Installation Guide
Virtual Configuration Register Settings
Table D-5 System Console Terminal Baud Rate Settings
Enabling Booting from Flash Memory
To enable booting from Flash memory, set bits 3, 2, 1, and 0 to a value between 2 through
15. To specify a filename to boot, enter the system software configuration
boot system flash filename command in the configuration file.
To enter the configuration mode while in the system software image, enter the configure
command at the enable prompt as follows:
Gateway# configure
Configuring from terminal, memory, or network [terminal]? term
Enter configuration commands, one per line.
Edit with DELETE, CTRL/W, and CTRL/U; end with CTRL/Z
boot system flash filename
To disable Break and enable the boot system flash command, enter the config-register
command with a value as follows:
config-reg 0x102
CTRL/Z
If you set the configuration register value to 0x102, as in the example, it is not necessary to
enter the boot system flash command unless there is more than one image in Flash
memory.
Baud Bit 12 Bit 11
9600 0 0
4800 0 1
1200 1 0
2400 1 1