[Simh] More VAX Simulators

Stafford Winters stafford.winters at gmail.com
Thu May 2 21:39:48 EDT 2019


I guess I'd try HELP/MESSAGE DATAOVERUN and see what it tells me.

You could also try setting a larger type ahead size with:

$ MC SYSGEN

SYSGEN> USE ACTIVE

SYSGEN> SET TTY_TYPAHDSZ 256

SYSGEN> WRITE ACTIVE

SYSGEN> EXIT

You may need to logout and login again for it to take effect for your 
terminal.

On 5/2/2019 6:25 PM, Ray Jewhurst wrote:
> That didn't work either, someone previously suggested I try /hostsync 
> so I tried that along with altypahd too to no avail.
>
> Thanks
>
> Ray
>
> On Thu, May 2, 2019 at 9:07 PM Stafford Winters 
> <stafford.winters at gmail.com <mailto:stafford.winters at gmail.com>> wrote:
>
>     I seem to recall a setting on physical terminals which limited the
>     rate at which keystrokes were sent to the computer.  This may be a
>     factor.
>
>     It appears as if your input includes carriage returns, and it
>     needs to.
>
>     It may be that turning on the altypahd terminal setting may allow
>     a greater stream of input before choking.  It may work for you.
>
>     On 5/2/2019 5:36 PM, Ray Jewhurst wrote:
>>     I tried doing a VMS 7.3 CD install on the 4000/60 and it went
>>     swimmingly until I tried to install the PAKs and I got this:
>>
>>     $!
>>     $!                            HPE HOBBY LICENSE AGREEMENT
>>     $!
>>     %CREATE-E-READERR, error reading SYS$INPUT:.;
>>     -RMS-F-RER, file read error
>>     -SYSTEM-W-DATAOVERUN, data overrun
>>
>>     I am running 72 Megs and I do not get this error on 3900 or
>>     MicroVAX II.  I know there is another way to copy the PAKs over
>>     using an iso but the instructions in the Hobbyist letter seemed
>>     kind of fuzzy to me.  Am I doing anything wrong or is the the way
>>     a 4000/60 should behave?
>>
>>     Thanks
>>
>>     Ray
>>
>>     On Wed, May 1, 2019 at 6:16 PM Matt Burke <matt at 9track.net
>>     <mailto:matt at 9track.net>> wrote:
>>
>>         On 01/05/2019 13:36, mark at wickensonline.co.uk
>>         <mailto:mark at wickensonline.co.uk> wrote:
>>         > Matt
>>         >
>>         > I've built the VAXstation 4000/60 and 4000/VLC images. Is
>>         it possible to post an example simh.ini file for either or
>>         both of these please, it would save me some considerable
>>         guesswork!
>>         >
>>         > I have just reconfigured a FreeAXP emulator running on
>>         Windows which contains SLAVE, formerly an AlphaServer 1000A.
>>         It serves up a cluster member disk for a 4000/VLC so that
>>         will be a great test of your new systems.
>>         >
>>         > I previously had lots of trouble with FreeAXP and SIMH
>>         residing on the same windows box, turns out that FreeAXP
>>         really doesn't like WinPCap - it crashes on startup and it is
>>         very difficult to kill the image.
>>         >
>>         > Regards, Mark.
>>         >
>>         Hi Mark,
>>
>>         The first thing to note (if you haven't spotted it already)
>>         is that the
>>         simulators have been merged into the Simh master branch and a
>>         number of
>>         fixes have been applied. CD-ROM and tape drive support is now
>>         included
>>         along with fixes to the memory sizing for the M60 and VLC.
>>
>>
>>         The VAXstation 4000/60 and 4000/VLC are very similar so this
>>         simh.ini
>>         will work for both:
>>
>>         ; Set system memory size
>>         ;   M60 can be one of 8m, 16m, 24m, 32m, 40m, 48m, 56m, 72m,
>>         80m, 104m
>>         ;   VLC can be one of 8m, 16m, 24m
>>         ;
>>         set cpu 24m
>>         ;
>>         ; Attach the NVRAM device
>>         ;
>>         attach nvr vaxstation4000.nvr
>>         ;
>>         ; Set the MAC address in the network address ROM
>>         ; This will need to match whatever your boot server is expecting
>>         ;
>>         set nar mac=08:00:2b:40:00:60
>>         ;
>>         ; Setup local SCSI disks if required (here are a few examples)
>>         ; Also try 'help rz'
>>         ;
>>         ; set rz0 rz26
>>         ; attach rz0 disk0.img
>>         ; set rz1 disable
>>         ; set rz2 disable
>>         ; set rz3 disable
>>         ; set rz4 rrd40
>>         ; attach rz4 vms73.iso
>>         ; set rz5 tz30
>>         ; attach rz5 backup.tap
>>         ; rz6 is always disabled because this is the initiator SCSI ID
>>         ; set rz7 disable
>>         ;
>>         ; Enable LANCE Ethernet (device ESA0 under VMS)
>>         ;
>>         set xs enable
>>         ;
>>         ; Attach Ethernet device to a host interface
>>         ;
>>         attach xs eth0
>>         ;
>>         ; Start the simulator
>>         ;
>>         boot cpu
>>
>>         The first time the ROM self-test runs after the memory size
>>         is changed
>>         or after attaching a new NVRAM file it will perform a
>>         thorough memory
>>         test. This can take quite a long time especially with 104MB.
>>         You will
>>         see multiple selftest failures but don't worry about it, they're
>>         expected for now. After the self-test completes I would recommend
>>         enabling the fast boot option:
>>
>>         >>> SET FBOOT 1
>>
>>         This will significantly speed up subsequent restarts of the
>>         simulator.
>>         Eventually I'll patch the ROM to skip the memory tests.
>>
>>         Assuming your boot server is all setup you can now boot from
>>         the Ethernet:
>>
>>         >>> BOOT ESA0
>>
>>         I haven't tested Ethernet booting on these simulators for
>>         quite some
>>         time so I hope it works!
>>
>>         Let me know how it goes.
>>
>>         Matt
>>
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