3Com 5000 Series Installation Manual page 68

3Com Router 5000 Family
Installation Guide
The system starts writing to Flash memory after you enter your choice and displays:
Writing to flash memory...
Please wait,it needs a long time .Please wait...
########################################################
Writing FLASH Success.
Please use 9600 bps.Press <ENTER> key to reboot the system.
Restore the baud rate of the console terminal to 9600 bps as prompted, disconnect the
terminal and dial again. Then, you can see the system boot banner.
2) Upgrading the entire Boot ROM image
Step 1: Enter Boot Menu, and select <9> to enter Boot ROM Download Menu as
follows:
Boot ROM Download Menu:
1:
2:
3:
4:
5:
Enter your choice(1-5):
Step 2: Select <1> in Boot ROM Download Menu to download the Boot ROM image
through XMODEM. Multiple download speeds are available. The subsequent steps are
the same as those described in the item "Upgrading the application image" in this
subsection.
Caution:
You are recommended to upgrade the entire Boot ROM program only when necessary
and with the guide of technical staff, because no means is available for on-field
recovery in case of an upgrade failure.
3) Upgrading the extended segment of the Boot ROM image
Step 1: Enter Boot Menu, select <9> to enter Boot ROM Download Menu.
Step 2: Select <2> in the menu to upgrade the extended segment of the Boot ROM
image through XMODEM. Multiple speed options are available. The subsequent steps
are the same as those described in the item "Upgrading the application image" in this
subsection.
Download Boot ROM with XModem
Download Extended Segment of Boot ROM with XModem
Restore Extended Segment of Boot ROM from FLASH
Backup Extended Segment of Boot ROM to FLASH
Exit to Main Menu
3Com Corporation
6-7
Chapter 6 Router Maintenance