readme.txt Driver File Contents (NIC_100M_Broadcim_4.28.0.0_XPx86.zip)

                              Broadcom Corporation
                              16215 Alton Parkway,
                              Irvine, CA 92619-7013

                    Broadcom BCM440x Mutiple Boot Agent (MBA)
                                [ PXE, RPL ]
                                 09/15/2004

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*                                IMPORTANT NOTE                               *
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This release supports 4401B0 Fast Ethernet controller.

System requirements.
    Split image case:
    1.Requires either two adapters a split image aware BIOS in a LAN
      On Mother board application(LOM). 
    2.Program one of the adapters with the basecode.lom binary image.
    3.Program one adapter with the b44umba.lom.

Preparation/Initialization of SEEPROM.
This step is needed in order for the MBA menu to display properly.

    1.Use b44diag.exe to initialize the NIC SEEPROM locations of 
      40 to 43 (0x28-0x2B) with the following values:

      a.If PXE as a default is preferred
        # b44diag -b44eng
        > sromutil -w 0x14 0x0042  (16-bit address mode)
        > sromutil -w 0x15 0x0004

      b.If RPL as a default is preferred
        # b44diag -b44eng
        > sromutil -w 0x14 0x0042
        > sromutil -w 0x15 0x0014


Features:
    1.Boot Protocol Supported: PXE and RPL.

    2.Auto Negotiation is enabled to find the link speed. 


Introduction
============

This file describes the Broadcom Multiple Agent for Broadcom's BCM440X
10/100 Mbps Ethernet Network Interface Controller.  Broadcom Multiple
Boot Agent (MBA) supports PXE, and RPL.

The Multiple Agent driver is released in the following binaries:

basecode.lom: 

This image consists of the Basecode (BC) only, for use in
a split implementation when the PXE option of the MBA is to be used. 
This module should be programmed into the BIOS or a seperate NIC.

b44umba.lom:

This image consists of the PXE and RPL code for use in
a split image implementation in a system where a seperate BC
is present. The BC is needed for the PXE option, but not the RPL.
This module should be programmed into the BIOS or a seperate NIC.

b44mmba.bin:

This is a monolithic image that consists of the
BC, PXE and RPL code. This image is intended for 
LOM and NIC applications.
Please note that this image requires the use of a boot EEPROM
of capacity greater than 64k when running in a NIC implementation.


Utilities
=========
romhdr.exe:

This tool is used to customize the binary PXE/RPL image for
different ASIC-based LOM/NIC applications.  It modifies the Vendor 
ID/Device ID in the ROM header of the binary image.
For example; to use b44pxe.lom with a 4401 that has a device id of 0x4401:

romhdr -v 0x14e4 -d 0x4401 -i b44pxe.lom -o b44pxe.lom
        where:
            -v=vendor id
            -d=device id
            -i=input file name
            -o=output file neme

Download Driver Pack

How To Update Drivers Manually

After your driver has been downloaded, follow these simple steps to install it.

  • Expand the archive file (if the download file is in zip or rar format).

  • If the expanded file has an .exe extension, double click it and follow the installation instructions.

  • Otherwise, open Device Manager by right-clicking the Start menu and selecting Device Manager.

  • Find the device and model you want to update in the device list.

  • Double-click on it to open the Properties dialog box.

  • From the Properties dialog box, select the Driver tab.

  • Click the Update Driver button, then follow the instructions.

Very important: You must reboot your system to ensure that any driver updates have taken effect.

For more help, visit our Driver Support section for step-by-step videos on how to install drivers for every file type.

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