Dana,
Thank you for the response, I appreciate it.

Just minor remarks:
* HMC in 9672 was OS/2 based (at least since G3)
* There were some crypto options in pre-9672 machines, it was rather predecessor of CCF, not the cards. I have some information it was ICRF (Integrated CRyptographic Feature) which consisted of TCM and KSU (Key Storage Unit).
Not to mention earlier 4753 aka NSP or 3945.
* I believe first OSA in 9672 was OSA2 and of course there was OSA (1) before. * I vaguely remember some photograph of pre-9672 machina (which one?) with cards similar to those in 9672.


Regards
--
Radoslaw Skorupka
Lodz, Poland








W dniu 2017-03-27 o 16:09, Dana Mitchell pisze:
On Fri, 24 Mar 2017 20:44:10 +0100, R.S. <r.skoru...@bremultibank.com.pl> wrote:

BTW:
What about LPARs?
3090 was first generation with PR/SM facility.  CEC could be PORed in PR/SM 
mode or 370 mode.

How HMC looked like? Was it PC-DOS-based?
4331/4341 had a dedicated 3278 with extra buttons and LED's on keyboard, could 
also be used as operating system console.  3083/3081 had dedicated 3270s one 
mounted inside 3082 processor controller.  3090 had dedicated 3180 displays for 
system control.   9672 had first linux based HMC.

What about I/O cards? were they similar to cards available in 9672?
4331 had integrated disk and communication adapters built in, no 3274, 3705, 
3880 controllers required.  Later machines just had parallel channels just sort 
of built in,  not really on cards.  3090 was first with ESCON

What OSA options were available?
First on 9672, I think was basically a 3172 built into frame.

What about cryptoHW?
nope

Dana

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