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PFH.DOC -- Changes from V1(2) to V2(3)
June 1979






























COPYRIGHT (C) 1974,1978,1979 BY
DIGITAL EQUIPMENT CORPORATION, MAYNARD, MASS.


THIS SOFTWARE IS FURNISHED UNDER A LICENSE AND MAY BE USED AND  COPIED
ONLY  IN  ACCORDANCE  WITH  THE  TERMS  OF  SUCH  LICENSE AND WITH THE
INCLUSION OF THE ABOVE COPYRIGHT NOTICE.  THIS SOFTWARE OR  ANY  OTHER
COPIES  THEREOF MAY NOT BE PROVIDED OR OTHERWISE MADE AVAILABLE TO ANY
OTHER PERSON.  NO TITLE TO AND OWNERSHIP OF  THE  SOFTWARE  IS  HEREBY
TRANSFERRED.

THE INFORMATION IN THIS SOFTWARE IS SUBJECT TO CHANGE  WITHOUT  NOTICE
AND  SHOULD  NOT  BE  CONSTRUED  AS  A COMMITMENT BY DIGITAL EQUIPMENT
CORPORATION.

DIGITAL ASSUMES NO RESPONSIBILITY FOR THE USE OR  RELIABILITY  OF  ITS
SOFTWARE ON EQUIPMENT WHICH IS NOT SUPPLIED BY DIGITAL.
PFH2.DOC                                                        Page 2


PFH.DOC -- Changes from V1(2) to V2(3)
June 1979



1.0  SUMMARY

The purpose of this release is to make it possible for  PFH  to  be  a
stand  alone  MAC  file  (MAKPFH  has  been  eliminated)  which can be
assembled with MACRO, linked by LINK to produced an EXE file which can
be  installed  directly  on SYS as PFH.EXE.  On a page fault, the 7.00
and later monitors will "MERGE" PFH.EXE  into  the  faulting  programs
address space.



2.0  EXTERNAL CHANGES

None.



3.0  KNOWN BUGS AND DEFICIENCIES

There are no new bugs in version 2 of PFH and no new deficiencies.



4.0  INSTALLATION INSTRUCTIONS

Install PFH.EXE on SYS.  Do not delete PFH.VMX as it will be  required
should the installation drop back to a monitor previous to 7.00.



5.0  INTERNAL CHANGES

MAKPFH has been eliminated;  PFH is a PSECT.



[End of PFH.DOC]