RE: Wrapping my head around firmware

Basically it's there in black and white that cume's no longer contain firmware fixes. This is a good thing! Keeps firmware from getting out of sync with HMC code.

From the 6.1 PTF stuff at http://public.dhe.ibm.com/systems/power/docs/systemi/v6r1/en_US/rzam8.pdf

Related concepts
"Cumulative PTF packages" on page 7
Cumulative program temporary fix (PTF) packages contain fixes for a given release of the i5/OS
operating system. The fixes contained in a cumulative PTF package are for the Licensed Internal Code,
Server Firmware, and most licensed programs that can be installed on that operating system release.

From the 7.3 PTF stuff at https://www.ibm.com/support/knowledgecenter/en/ssw_ibm_i_73/rzam8/rzam8fixcumpack.htm

Cumulative program temporary fix (PTF) packages contain fixes for a given release of the IBM(r) i operating system. The fixes contained in a cumulative PTF package are for the Licensed Internal Code, and most licensed programs that can be installed on that operating system release.


Rob Berendt