Microvax II hardware not recognized

Douglas Taylor dj.taylor4 at comcast.net
Thu Aug 18 21:33:22 CDT 2016


On 8/18/2016 4:39 PM, Noel Chiappa wrote:
>      > From: Paul Koning
>
>      > A lot of Unibus/Qbus devices have "floating CSRs" which means they
>      > don't have fixed address assignments. Instead, the correct address is
>      > based on a set of rules, which puts devices in an ordered list and
>      > assigns addresses in sequence. .. If you get the address wrong, the
>      > system will see the device as the wrong type
>
> What about if you have a series of devices (A, B, C, D, E), assigned addresses
> in the correct order, and then you remove C from the system; will the software
> stop probing for more devices when it gets to C (ie. D and E, although still
> plugged in, will not be seen)?
>
> 	Noel
The microvax has the following boards installed:
CPU - KA630
Memory - Clearpoint (8MB)
Memory - DEC MS630 (2MB)
DHV11
TQK50
Viking SCSI controller
DEC - RQDX2  (CSR set for 2nd position)
   There are 2 grant continuity boards installed also.

When I boot VMS 5.5 -
         Welcome to VAX/VMS V5.5
Username: SYSTEM

Password:
         Welcome to VAX/VMS version V5.5
     Last interactive login on Wednesday, 17-AUG-2016 17:40

  $ show dev

Device                  Device           Error    Volume Free  Trans Mnt

  Name                   Status           Count     Label Blocks Count Cnt

DUA0:                   Online               0
DUA1:                   Mounted              0  VAXVMSV055 1954647   126   1

DUB0:                   Online               0
DUB1:                   Online               0

Device                  Device           Error
  Name                   Status           Count
FTA0:                   Offline              0
OPA0:                   Online               0

Device                  Device           Error
  Name                   Status           Count
PTA0:                   Online               1
PUA0:                   Online               1
PUB0:                   Online               1
WSA0:                   Offline              0

When I boot VMS 7.2 -
  Welcome to OpenVMS (TM) VAX Operating System, Version V7.2


Username: system

Password:
  Welcome to OpenVMS (TM) VAX Operating System, Version V7.2
     Last interactive login on Wednesday, 17-AUG-2016 17:45

  $    show dev

Device                  Device           Error    Volume Free  Trans Mnt
  Name                   Status           Count     Label Blocks Count Cnt
MV2$DUA0:               Mounted              0  OVMSVAXSYS 1858635   138   1
MV2$DUA1:               Online               0
MV2$DUB0:               Online               0
MV2$DUB1:               Online               0

Device                  Device           Error
  Name                   Status           Count
FTA0:                   Offline              0
OPA0:                   Online               0

Device                  Device           Error
  Name                   Status           Count
MPA0:                   Offline              0
PTA0:                   Online               1
PUA0:                   Online               1
PUB0:                   Online               1

I swear that when I first installed VMS the DHV11 ports showed up in the 
show dev list on the MicroVax II.
The TQK50 controller (I have 2) were put into a MicroVax 4000 and that 
Vax saw each board, so I don't think the boards are bad.


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