readme.txt Driver File Contents (

                               Broadcom Corporation
                             5300 California Avenue,
                                 Irvine, CA 92617

                 Broadcom BCM57XX UEFI Diagnostics for x64


This file describes the UEFI diagnostic tool for Broadcom's BCM57XX 10/100/1000 Mbps Ethernet 
Network Interface Controller.  This diagnostic tool is released as a UEFI EM64T (X64) application.

The following executable file is part of the Broadcom BCM57XX UEFI Diagnostics release:
   b57diag64.efi: BCM57XX diagnostic for EM64T (X64) UEFI platform.

Diagnostic Usage

For UEFI X64 using 'Boot from EFI File':
1. Select 'Boot from EFI File' from the EFI Boot Manager.
2. Select the removable media containing the b57diag64.efi file and then select b57diag64.efi 
   from the file list.
3. To run in engineering mode create a DOS type batch file in the same directory called 'b57diag.bat'
   The contents of this file is the same as running b57diag from a batch file from DOS and specifying 
   the command line switches.  (eg. 'b57diag64.efi -b57eng').  Note: This batch file will not execute
   from a UEFI shell.
Note: All the diagnostic files (including support files) must be located in the root directory of the 
removable media.

For UEFI X64 from the EFI Shell:
1. Boot to or load the UEFI X64 shell. At the UEFI shell command line type: "b57diag64.efi"
2. To run in engineering mode at the command line type: "b57diag64.efi -b57eng"
3. To get help on the b57diag64 options type: "b57diag64.efi -help" at the command line.
Note: To run all the standard diagnostic tests, the .bin support files must be present in the same directory.

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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