3Com 4210G Network Router User Manual


 
5-2
CPU Clock Speed : 264MHz
BUS Clock Speed : 33MHz
Memory Size : 128MB
Mac Address : 001cc5bc3111
Press Ctrl-B to enter Boot Menu... 1
Press Ctrl + B. The system displays:
Password :
z To enter the Boot Menu, you must press Ctrl + B within one second after the information “Press
Ctrl-B to enter Boot Menu...” appears. Otherwise, the system starts to decompress the program;
and if you want to enter the Boot Menu at this time, you will have to restart the switch.
z By default, the system starts up in fast startup mode and the waiting time here is one second. If you
set the startup mode to normal, this waiting time is five seconds. For the setting of the startup mode,
refer to the section
Changing the Startup Mode.
Input the correct Boot ROM password (by default, no password is set on the switch and you can click
Enter directly). The system enters the Boot Menu:
BOOT MENU
1. Download application file to flash
2. Select application file to boot
3. Display all files in flash
4. Delete file from flash
5. Modify bootrom password
6. Enter bootrom upgrade menu
7. Skip current configuration file
8. Set bootrom password recovery
9. Set switch startup mode
0. Reboot
Enter your choice(0-9):
The items in the Boot ROM menu are described in Table 4-2.