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HP 4500G Family Configuration Manual: Upgrading Device Software; Device Software Overview; Upgrading The Boot Rom Program Through Command Lines

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characters need to be input, the system automatically inputs a default character string, or inputs an
empty character string when there is no default character string.
For the commands used to switch user interfaces, such as telnet, ftp, and ssh2, the commands
used to switch views, such as system-view, quit, and the commands used to modify status of a
user that is executing commands, such as super, the operation interface, command view and
status of the current user are not changed after the automatic execution function is performed.
If the system time is modified after the automatic execution function is configured, the scheduled
automatic execution configuration turns invalid automatically.
Only the last configuration takes effect if you execute the schedule job command repeatedly.

Upgrading Device Software

Device Software Overview
Device software consists of the Boot ROM program and the system boot file. After the device is
powered on, the Boot ROM program initialize the hardware, and display the hardware information. Then
runs the boot file. The boot file provides hardware driver and adaptation for the system, and provides
the support for the different functions. The Boot ROM program and system boot file are required for the
startup and running of a device.
Figure 1-1 Relationship between the Boot ROM program and the system boot file
Start
Boot ROM runs
Press Ctrl+B
No
Run boot file
Enter CLI
Finish
The Boot ROM program and system boot file can both be upgraded through the Boot ROM menu or
command lines. The following sections describe the upgrading through command lines. For instructions
about how to upgrade them through the Boot ROM menu, refer to the installation menu of your device.
Upgrading the Boot ROM Program Through Command Lines
Follow these steps to upgrade the Boot ROM program:
1)
Copy the Boot ROM program to the root directory of the device's storage medium using FTP or
TFTP.
Figure 1-1
illustrates their relationship.
Select the Reboot option
to reboot the device
Enter Boot ROM
Yes
menu to upgrade the
Boot ROM program
or boot File
1-4

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