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BOOTDX.DOC -- Changes from V3(21) to V3A(24)
September 1984






























COPYRIGHT (C) 1975,1977,1979,1980,1984 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.

BDX3A.DOC                                                       Page 2


BOOTDX.DOC -- Changes from V3(21) to V3A(24)
September 1984



1.0  SUMMARY

BOOTDX is a bootstrap program which is used for loading  the  DX10  or
DX20  micro-code  from  the  DSK:.   BOOTDX  runs in user-mode under a
DECsystem-10 timesharing system.  It requires 8P of memory but expands
for I/O buffers.  BOOTDX does I/O instructions directly to the DX10 or
DX20 hardware.  For this to work, the BOOTDX job must have  privileges
for the TRPSET function of the timesharing system.



2.0  EXTERNAL CHANGES

None.



3.0  KNOWN BUGS AND DEFICIENCIES

None.



4.0  INSTALLATIONS INSTRUCTIONS

Put BOOTDX on SYS:, if you  have  a  DX20,  put  DXMCA.ADX  (the  DX20
microcode) on SYS:.



5.0  INTERNAL CHANGES

A check was put in for non-existent DX10'S.

Code was added so BOOTDX would not distrub the KLIPA or KLINI.



[End of BDX3A.DOC]