S/390 Hardware Management Console Operations Guide, at http://publibfp.boulder.ibm.com/cgi-bin/bookmgr/BOOKS/id1t0102/CCONTENTS.

ABCs of OS/390 System Programming, Volume 5: Chapter 6 - Hardware Management Console, at http://www.redbooks.ibm.com/pubs/pdfs/redbooks/sg245655.pdf.