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Conference star::wizards

Title: "ASK THE WIZARDS"
Moderator:QUARK::LIONEL
Created:Mon Oct 30 1995
Last Modified:Mon May 12 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:1857
Total number of notes:3728

1648.0. "Open: maximum memory supported?" by STAR::JKEENAN () Tue Mar 04 1997 15:22

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Name: Alan Schultz
Email Address: [email protected]
CPU Architecture: VAX and Alpha
Version: v 6.1
Questions: 

I have been trying to find documentation on the maximum
memory supported by OpenVMS for VAX and Alpha systems.  

Is OpenVMS(v6.1+) able to handle the maximum memory the 
hardware can support (ex. VAX 6xxx->1Gb; VAX 77xx->3.5Gb;
Alpha 84xx->28Gb) or is the limit some point in between.
Our current environment has the VAX systems at v6.1 and 
the Alpha systems at v6.2.  Both platforms will potentially
go to v7.x.
T.RTitleUserPersonal
Name
DateLines
1648.1See Software Product Descriptions For This InfoXDELTA::HOFFMANSteve, OpenVMS EngineeringFri Mar 07 1997 16:1324
:I have been trying to find documentation on the maximum
:memory supported by OpenVMS for VAX and Alpha systems.  

  See the Software Product Description (SPD) for OpenVMS, for the
  particular OpenVMS version(s) of interest.

  In general, yes, V6.* and later support the maximum memory for
  the system.

  OpenVMS VAX V6.1 supports 1.25 GB on VAX 6000-600 series, and
  3.5 GB on the VAX 7000 and VAX 10000 series systems.

  OpenVMS Alpha V6.2 is the minimum for the AlphaServer 8000
  series, and releases as late as V6.2-1H3 or V7.1 may be
  required, depending on the specifics of the peripherals
  configured and other aspects of the local configuration.

  As of OpenVMS Alpha V6.2, the maximum memory supported on the
  AlphaServer 8000 series is 14 GB.  As of V6.2-1H3, it will support
  the maximum memory configured in the AlphaServer series.

  OpenVMS Alpha V7.0 and later supports 64-bit virtual addressing.