3Com 7750 Series 3.1.4 bootrom-update security-check enable , 3.1.5 display boot-loader

3Com Switch 7750 Series
Command Reference Guide – System Maintenance & Debugging Chapter 3 Device Management Commands
3-3
Example
# Use the current boot file to upgrade the BootROM of all service cards that working
normally.
<3Com> boot bootrom default
3.1.4 bootrom-update security-check enable
Syntax
bootrom-update security-check enable
undo bootrom-update security-check enable
View
System view
Parameter
None
Description
Use the bootrom-update security-check enable command to enable the validity
check function when upgrading BootROM.
Use the undo bootrom-update security-check enable command to disable the
validity check function when upgrading BootROM.
By default, validity check function is enabled during BootROM upgrade.
The Switch 7750 series features manydifferent available cards. Each card has its own
BootROM application. Upgrading to the wrong BootROM can seriously affect the
operation of the card. Enable validity checking to avoid loading the wrong BootROM.
Example
# Enable the validity check function.
<3Com> system-view
System View: return to User View with Ctrl+Z.
[3Com] bootrom-update security-check enable
3.1.5 display boot-loader
Syntax
display boot-loader
View
Any view