The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.


[email protected] (Timothy Sipples) writes:
> This cuts both ways. Obviously you're not going to support an OSA Express
> or FICON Express adapter on an X86 server. :-) But yes, if you're doing
> something like programming directly to an audio adapter in a PCI slot,
> that's not likely to be a System z-hosted program. (Though you never know
> as technology marches on.)

re:
http://www.garlic.com/~lynn/2009q.html#15 Mainframe running 1,500 Linux servers?
http://www.garlic.com/~lynn/2009q.html#19 Mainframe running 1,500 Linux servers?

recent posts/thread in comp.arch about early days of fiber-channel
standard and battles with mainframe channel engineers trying to layer
half-duplex protocol (FICON) on top of underlying full-duplex (actually
dual-simplex) infrastructure (i.e. half-duplex resulted in lower thruput
than running dual-simplex)
http://www.garlic.com/~lynn/2009p.html#84 Anyone going to Supercomputers '09 in 
Portland?
http://www.garlic.com/~lynn/2009p.html#85 Anyone going to Supercomputers '09 in 
Portland?
http://www.garlic.com/~lynn/2009q.html#0 Anyone going to Supercomputers '09 in 
Portland?
http://www.garlic.com/~lynn/2009q.html#1 Anyone going to Supercomputers '09 in 
Portland?
http://www.garlic.com/~lynn/2009q.html#2 Anyone going to Supercomputers '09 in 
Portland?

some of this goes back to days before even ESCON was released.

-- 
40+yrs virtualization experience (since Jan68), online at home since Mar1970

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