[HECnet] two dumb RSX questions

Johnny Billquist bqt at softjar.se
Wed Jan 1 01:59:27 PST 2014


On 2014-01-01 08:33, Cory Smelosky wrote:
On Wed, 1 Jan 2014, Johnny Billquist wrote:

RSX can boot from virtual devices.
Also, you can load and unload device drivers in RSX, but you don't normally do
that just to bring devices offline or online. That is a separate operation
from loading and unloading device drivers. But yes, if you want to disconnect
devices, buses, CPUs or memory, you can do that just fine on a running RSX
system. And bring them online again later, if you want to. Any other trick
you'd like to do? :-)


Now if only UNIBUS hotplug/hotremove existed. ;)

On the 11/74 you more or less had this, in the form of hotplugging whole bus segments. One a bus segment was disconnected, you could power it off, and remove controllers if you wanted.

	Johnny



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