
Chapter XVIII. Unified Boot
Copyright ©2013.Chelsio Communications. All Rights Reserved. Page 304
1. Introduction
PXE is short for Preboot eXecution Environment and is used for booting computers over an
ethernet network using a Network Interface Card (NIC).
FCoE SAN boot process involves installation of an operating system to an FC/FCoE
disk and then booting from it.
This section of the guide explains how to configure and use Chelsio T4 Unified Boot Option
ROM which flashes PXE and FCoE Option
(CNAs). It adds functionality like Network/FCoE SAN boot.
This section also describes the use and configuration
via PXE server or on FC/FCoE LUN. This solution can be used for installing operating systems
over an ethernet network/SAN -based Converged Network Adapters (CNAs).
The Chelsio T4 Unified Option ROM resides on the flash memory of the T4-based adapter from
where it is loaded by an x86 system BIOS during power on initialization.
1.1. Hardware Requirements
1.1.1. Supported Adapters
The following are the currently shipping Chelsio Adapters that are compatible with Chelsio
Unified Boot software:
T420-CR
T440-CR
T422-CR
T404-BT
T420-BCH (Only PXE)
T420-SO-CR
T440-LP-CR
T420-LL-CR
T420-BT
1.2. Software Requirements
Chelsio Unified Boot Option ROM software requires Disk Operating System to flash PXE
and FCoE ROM onto Chelsio T4 adapters.
The Chelsio Driver Update Disk driver has been developed to run on 64-bit Linux
platforms. Following is the list of Drivers/Software and supported Linux distributions:
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