3Com 5500G Getting Started Manual

Also see for 5500G SERIES: Product guide Configuration and Command Reference Guide

Contents

28 Chapter 5: Understanding and Using the BIOS OptionsBooting the LinuxSystem from the USBStorage MediumIf you enter 2 in the BIOS menu, the BIOS reads the boot program fromthe storage medium connected to the USB interface to boot the Linuxsystem.This function provides a shortcut to rapid system restoration. You canbackup part of the system installation files into an external storagemedium, such as a USB flash disk. When the system cannot be startednormally due to system kernel file damage, you can use the backupsystem files stored in the external storage medium to boot the Linuxsystem, and then enter the Linux system to locate the problem.The files that you need to back up include: Initrd, bzImage, and elilo.efi.For a detailed description of these files, refer to Table 8 on page 30.Installing the LinuxSystem through anEthernetConnectionIf you enter 3 in the BIOS menu, the system installs the Linux systemthrough the Ethernet port. This option downloads the Linux system filesfrom a server to the OSN|M for installation. During the installationprocess, the OSN|M’s hard disk is formatted and partitioned, andtherefore, the original data on the hard disk is lost. Make sure to use theEthernet installation function with caution. The OSN|M module supportsaddress auto-configuration through DHCP.Network Diagrams Install an OSN|M in a Switch 5500G. The controller can enter the BIOSmenu of the OSN|M using several methods to execute the Ethernetinstallation of the Linux system. Figure 5 shows the network diagram andinstallation process for an Ethernet installation. In this example, thecontroller logs into the OSN|M module through the console port installthe Linux system using an Ethernet connection. You can install the Linuxsystem through the two network cards on the OSN|M module.Figure 5 showns an Ethernet installation through the internal interfaceEth1 on the OSN|M module.