[Simh] Issues with VH simulation and 4.3BSD-Quasijarus

All, Seems 4.3BSD isn't seeing a DH-11 at all: 4.3 BSD Quasijarus UNIX #0: Sun Mar 7 12:42:05 PST 2004 root@ucbvax:/usr/src/sys/GENERIC real mem = 67108864 SYSPTSIZE limits number of buffers to 18 avail mem = 65271808 using 18 buffers containing 147456 bytes of memory VAX 11/780, serial#

Re: [Simh] HSC vs UDA/QDA

And then of course, if someone wants a true emulation, then A and B paths should be running on separate Ethernet rails. ;-) From: Paul Koning To: Johnny Billquist Cc: simh@trailing-edge.com Sent: Wednesday, March 8, 2017 5:26 PM Subject: Re:

Re: [Simh] HSC vs UDA/QDA

> On Mar 8, 2017, at 7:44 PM, Johnny Billquist wrote: > > On 2017-03-08 22:15, Bob Supnik wrote: >> The HSC family offered a superset of capabilities compared to the >> UDA50/QDA50. In particular, >> >> - tape as well as disk support (TMSCP as well as MSCP); >> -

Re: [Simh] HSC vs UDA/QDA

On 2017-03-08 22:15, Bob Supnik wrote: The HSC family offered a superset of capabilities compared to the UDA50/QDA50. In particular, - tape as well as disk support (TMSCP as well as MSCP); - controller-based disk to tape backups and tape to disk restores; - controller-based disk to disk

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[Simh] HSC vs UDA/QDA

The HSC family offered a superset of capabilities compared to the UDA50/QDA50. In particular, - tape as well as disk support (TMSCP as well as MSCP); - controller-based disk to tape backups and tape to disk restores; - controller-based disk to disk duplication; - controller-based volume

Re: [Simh] CI750 tech docs and VAX firmware

>Yes. Although there are some slight differences between ethernet and CI, >but from a practical point of view, for cluster networking, ethernet >works just as well. "Practical" has very little to do with my interest in this subject, LOL, but I have a definite fondness for the old "classic"