3Com 6040 Installation Manual page 45

3Com Router 6000 Family
Installation Manual
II. Upgrading the entire Boot ROM program
Step 1: Enter Boot Menu (see the section "Boot Menu") and select option 8 to enter
Boot ROM Download Menu as follows:
Boot ROM Download Menu:
1: Download Boot ROM with XModem
2: Download Extended Segment of Boot ROM with XModem
3: Restore Extended Segment of Boot ROM from FLASH
4: Backup Extended Segment of Boot ROM to FLASH
5: Exit to Main Menu
Enter your choice(1-5):
Step 2: Select option 1 in the menu to download the entire Boot ROM image using Xmodem.
multiple speed options are available. The subsequent steps are the same as those described
in the section for upgrading the application image.
Caution:
You are recommended to upgrade the entire Boot ROM program unless necessary
and with the guide of technical staff, because no means is available for on-field
restore in case of an update failure.
III. Upgrading the extended segment of the Boot ROM image
Step 1: Enter Boot Menu (refer to the section "Boot Menu") and select option 8 to enter
Boot ROM Download Menu.
Step 2: Select option 2 in the menu to upgrade the extended segment of the Boot ROM
image using Xmodem. Multiple speed options are available. The subsequent steps are
the same as those described in the section for upgrading the application image.
Caution:
This upgrade approach upgrades only a portion of the Boot ROM image, so you can
make a second attempt once errors occur.
3Com Corporation
5-7
Chapter 5
Maintaining Software