Dwight, Well oddly all the "PC" variants so the XT/370, AT/370, P390 & P390/E meet that definition, in that they are 370 or 390 class CPUs that use the host PC to handle the IO... So the host PC is in effect the IO processor...
Dave > -----Original Message----- > From: cctalk <cctalk-boun...@classiccmp.org> On Behalf Of dwight via cctalk > Sent: 24 July 2020 02:00 > To: Grant Taylor <cct...@gtaylor.tnetconsulting.net>; General Discussion: > On-Topic and Off-Topic Posts <cctalk@classiccmp.org> > Subject: Re: Adventures online > > I would think to be a mainframe, it has to have a I/O processor. That is about > all I can think of. > Dwight > > ________________________________ > From: cctalk <cctalk-boun...@classiccmp.org> on behalf of Grant Taylor via > cctalk <cctalk@classiccmp.org> > Sent: Thursday, July 23, 2020 4:06 PM > To: cctalk@classiccmp.org <cctalk@classiccmp.org> > Subject: Re: Adventures online > > On 7/23/20 4:34 PM, Fred Cisin via cctalk wrote: > > How about the XT/370? or XT/360? > > (I couldn't afford one) > > As the predecessor to the P/390-E, I definitely think that the XT/370 or > XT/360 is a (baby) mainframe. > > > > -- > Grant. . . . > unix || die
