Installation Manual
H3C VG 21-08 Voice Gateway
Chapter 5 Software Maintenance
5-9
III. Upgrading the extended segment of the Boot ROM
program
Step 1: Enter the Boot Menu (see section5.1 Boot Menu”), and
select <5> to enter the Boot ROM operation menu, as shown above.
Step 2: Select <2> in the Boot ROM operation menu to upgrade
the extended segment of Boot ROM program through XModem. The
VG 21-08 provides several speed options. The subsequent operation
steps are the same as those described in section5.2 I. Upgrading the
application program.
Note:
This upgrade approach is only used to upgrade a portion of the Boot
ROM program, so you may make a second attempt once error occurs.
5.3 Backing up and Restoring the Extended
Segment of the Boot ROM Program
I. Backing up the extended segment of Boot ROM program
in Flash
Follow these steps to back up the Boot ROM program.
Step 1: Enter the Boot Menu (see section5.1 Boot Menu”), and
select <5> to enter the Boot ROM operation menu.
Step 2: Select <4> in the Boot ROM operation menu to copy the
current extended segment of the Boot ROM program to Flash.
