In <68b5f70ac126ab4dad0e627d782a606a3e5...@ufexch-mbxn01.ad.ufl.edu>,
on 08/15/2014
   at 05:29 PM, "Nims,Alva John (Al)" <ajn...@ufl.edu> said:

>I think "IML" started as "Initial Machine Load" (before Microcode
>machines, 360's maybe) and it then transitioned into the "Initial
>Microcode Load"

No. S/360 used read only storage for microcode until the 360/25,
except for a small amount on the 360/85. The term initial
micro-program load (IMPL) came in with the S/370; I don't recall when
they shortened the abbreviation to IML.
 
-- 
     Shmuel (Seymour J.) Metz, SysProg and JOAT
     ISO position; see <http://patriot.net/~shmuel/resume/brief.html> 
We don't care. We don't have to care, we're Congress.
(S877: The Shut up and Eat Your spam act of 2003)

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