OpenVMS VMS721_DV-V0100 Alpha V7.2-1 DVDRIVER ECO Summary

TITLE: OpenVMS VMS721_DV-V0100 Alpha V7.2-1 DVDRIVER ECO Summary
 
Modification Date:  03-NOV-2000 
Modification Type:  New Kit

NOTE:  An OpenVMS saveset or PCSI installation file is stored
       on the Internet in a self-expanding compressed file.
 
       For OpenVMS savesets, the name of the compressed saveset
       file will be kit_name.a-dcx_vaxexe for OpenVMS VAX or
       kit_name.a-dcx_axpexe for OpenVMS Alpha. Once the OpenVMS
       saveset is copied to your system, expand the compressed
       saveset by typing RUN kitname.dcx_vaxexe or kitname.dcx_alpexe.
 
       For PCSI files, once the PCSI file is copied to your system,
       rename the PCSI file to kitname-dcx_axpexe.pcsi, then it can
       be expanded by typing RUN kitname-dcx_axpexe.pcsi.  The resultant
       file will be the PCSI installation file which can be used to install
       the ECO.
 
Copyright (c) Compaq Computer Corporation 2000.  All rights reserved.

OP/SYS:     OpenVMS Alpha 

COMPONENT:  DVDriver

SOURCE:     Compaq Computer Corporation

ECO INFORMATION:

     ECO Kit Name:  VMS721_DV-V0100
                    DEC-AXPVMS-VMS721_DV-V0100--4.PCSI
     ECO Kits Superseded by This ECO Kit:  None 
     ECO Kit Approximate Size:  112 Blocks
     Kit Applies To:  OpenVMS Alpha V7.2-1 
     System/Cluster Reboot Necessary:  Yes
     Rolling Re-boot Supported:  Yes
     Installation Rating:  INSTALL_2
                           2 - To be installed on all systems running
                               the listed version(s) of OpenVMS and
                               using the following feature(s):

                                 DS10, DS10L, ES40 AlphaServers, and 
                                 XP900 and VS-10 AlphaStations


     Kit Dependencies:

       The following remedial kit(s) must be installed BEFORE
       installation of this kit:

         VMS721_PCSI-V0100
         VMS721_UPDATE-V0100 

       In order to receive all the corrections listed in this
       kit, the following remedial kits should also be installed:

         None 


ECO KIT SUMMARY:

An ECO kit exists for DVDriver on OpenVMS Alpha V7.2-1. This kit 
addresses the following problems: 

  o  Compaq has advised owners of DS10, DS10L, ES40 AlphaServers,
     and XP900 and VS-10 AlphaStations that Compaq has determined
     in laboratory testing that there is a theoretical possibility
     that during read and write operations to the floppy disk on
     these systems, a single byte of data may be inaccurately read
     or written without notice to the user or system.  The
     potential for this anomaly exists only if floppy disk read or
     write operations are attempted while there is extremely heavy
     traffic on these Alpha system's internal input/output busses.

     Although Compaq has observed the anomaly only in laboratory
     tests designed to create atypical system stresses, including
     almost constant use of the floppy disk drive, Compaq has
     informed owners of the remote possibility that the anomaly
     could occur so that they may take precautions to prevent it.

     This VMS721_DV-V0100 ECO kit implements a software solution
     for this condition.

       Images Affected:  [SYS$LDR]SYS$DVDRIVER.EXE


INSTALLATION NOTES:

The images in this kit will not take effect until the system is
rebooted.  If there are other nodes in the VMScluster, they must 
also be rebooted in order to make use of the new image(s).  

If it is not possible or convenient to reboot the entire cluster at 
this time, a rolling re-boot may be performed.


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dec-axpvms-vms721_dv-v0100--4.README
dec-axpvms-vms721_dv-v0100--4.CHKSUM
dec-axpvms-vms721_dv-v0100--4.pcsi-dcx_axpexe
vms721_dv-v0100.CVRLET_TXT