
From the v39 Firmware release notes
(ftp.digital.com:/pub/Digital/Alpha/systems/as2100/firmware/v39_sbupdate.txt)

Note that you will need to rename the file sys_ewbtdriver.exe to
sys$ewbtdriver.exe once it is on the target OpenVMS system.


              o  A new APB.EXE (Network System Initial Load Function
                 Program) for OpenVMS AXP V6.1 users is required for
                 systems being updated with console version V3.8.
                 A change in the console device address allocation
                 algorithm requires the new APB.EXE file. An APB.EXE
                 file is located on the AlphaServer Firmware Update CD
                 V3.1 in the SYS0.SYSEXE directory. This file should be
                 copied from the CD using the /contig qualifier to the
                 SYS$COMMON:[SYSEXE] area.

                 For example
                 $ copy/contig device:[directory]APB.EXE SYS$COMMON:[SYSEXE]

                 If the AlphaServer system is a satellite system and
                 updated to V3.8 then the server system of that cluster
                 must use the new APB.EXE. In addition a new ethernet
                 driver, SYS$EWBTDRIVER.EXE, will also be needed.

                 Copy the APB.EXE from the CD to the server's
                 SYS$COMMON:[SYSEXE] area and then writeboot the file.

                 For example
                 $ copy/contig device:[directory]APB.EXE SYS$COMMON:[SYSEXE]
                 $  mcr writeboot
                    Update VAX portion of boot block (default is Y) : n
                    Update AXP portion of boot block (default is Y) : y
                    Enter AXP boot file : SYS$COMMON:[SYSEXE]APB.EXE

                 The SYS$EWBTDRIVER.EXE file must be copied to the
                 server's SYS$COMMON:[SYS$LDR] area.

                 $ copy device:[directory]SYS$EWBTDRIVER.EXE SYS$COMMON:[SYS$LDR]

                 The SYS$EWBTDRIVER.EXE file is part of the OpenVMS V6.1-
                 1H1 kit/release.


             Without the new APB.EXE file, the following error
             will be displayed when selecting Find Service from the
             program menu:

                       ERROR: Unable to write to network

             Without the new SYS$EWBTDRIVER.EXE on the server
             system, unexpected interrupt and/or exception errors
             with subsequent register and dump information will be
             displayed when attempting a satellite boot.

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