Boot Menu; Boot Menu 4: File Control - 3Com MSR 20-20 Release Note

3Com MSR Family Release Notes
Release Notes Software v5.20
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<MSR-50>boot-loader file msr50-cmw520-b1508p01-si.bin main
This command will set the boot file. Continue? [Y/N]:y
The specified file will be used as the main boot file at the next
reboot!
<MSR-50>reboot
3.2

BOOT Menu

1 Start the router, When "Press Ctrl-B to enter Boot Menu .........." appears, press <Ctrl+B>,
you will be prompted to enter the Boot ROM password:
Please input Boot ROM password:
2 Once the correct password is entered (there is no password by default), the Boot menu is
displayed, as shown below: (Note that the menu may be slightly different depending on the
version of code used)
==================<EXTENDED-BOOTROM MENU>====================
| <1> Boot From CF Card
| <2> Enter Serial SubMenu
| <3> Enter Ethernet SubMenu
| <4> File Control
| <5> Modify Bootrom Password
| <6> Ignore System Configuration
| <7> Boot Rom Operation Menu
| <8> Clear Super Password
| <9> Device Operation
| <a> Reboot
=============================================================
Enter your choice(1-a):
The Boot menu options are described in the following sections.
•
1: Boot From CF Card. (Continue to Boot as normal)
•
2: Enter Serial SubMenu. (see Section 3.3)
•
3: Enter Ethernet SubMenu. (see Section 3.5)

3.2.1 Boot Menu 4: File Control

Routers with more than 8 Mb of Flash provide a dual-image function. The system defines three
default application files for booting the router (see below). When these files are loaded to Flash,
the file specified by this option is used to boot the router. If you want to change the order or the
boot file, you can select this option from the Boot ROM menu and make modifications.
The default names, types, and selected sequence of main, backup, and secure application files
are described as follows:
•
Main application file: default name is main.bin, file type M. This is the default file the system
uses to boot.
•
Backup application file: default name is backup.bin, file type B. This file will be used to boot
system when the main file fails.
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