[Simh] Devices and device names in simh?

[Zane H. Healy]

Try putting it in SYLOGICALS.COM rather than SYSTARTUP_VMS.COM (exact names
are dependent on version).

Zane


> 
> Thanks, that works great in a simple command line test:
> $ Define/System/Exec dia0 dua0:
> $ dir dia0:[000000]
> Directory DUA0:[000000]
>  . . .
> If I have time tonight I'll put it at the very beginning of the startup 
> file and see how many errors disappear.
> 
> Ed
> 
> Hittner, David T. wrote:
> > No, you can't rename the device at the SIMH level. I've had this problem
> > before, with both real and SIMH VAXes.
> >
> > Use a system logical in VMS system startup to define a synonym for a
> > similar device: Example:
> >  $Define/System/Exec dia0 dua0:
> >
> > You need to be careful about using the colon; sometimes it works and
> > sometimes not - after a  little experimentation you will get it right.
> > Depending on VMS version and use, the synonym may also require a
> > preceding underscore.
> >
> > If you can't figure out the syntax, email me, and I'll dig a real DIA0
> > synonym out of my VMS system archives.
> >
> > Dave
> >  
> >
> > -----Original Message-----
> > From: simh-bounces at trailing-edge.com
> > [mailto:simh-bounces at trailing-edge.com] On Behalf Of Edward Berry
> > Sent: Wednesday, July 11, 2007 5:09 PM
> > To: simh at trailing-edge.com
> > Subject: [Simh] Devices and device names in simh?
> >
> > Dear all,
> > I am restoring a historic (well, to me at lest) vax configuration from
> > stand-alone-backup tape to the simulator.
> > It seems to be working, but how much flexibility do I have in device
> > names?
> >
> > In the original configuration, the system disk was DIA0.
> > After googling I understand the naming convention a little, and
> > apparently DIxx is a disk mounted in a DSSI cabinet, not on the local
> > scsi bus.
> >
> > I read the tape on a linux machine, enblocked it and mounted as MUA0,
> > and restored the system disk with backup/image. No errors.
> >
> > Then I attach the restored system disk as DUA0: and boot it.
> > Amazingly it actually came up and let me log in with system password.
> > But there were lots of error messages.
> > Most serious had to do with device names: DIA0-1 and the ethernet
> > adapter which in the orig machine was (#VMS_Device se0) EZA0 on simh it
> > is XQA0:
> >
> > For the sake of an authentic restoration, and to save me from editing
> > all the config files, is there any way to have a disk image mounted as
> > DIAx, and to have the enet adapter be EZAO?
> >
> > Thanks for any suggestions,
> > Ed
> > _______________________________________________
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> > Simh at trailing-edge.com
> > http://mailman.trailing-edge.com/mailman/listinfo/simh
> >
> >   
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