[geeks] DG-UX questions (long)

[Jeff Cole]

Questions about the below capture of booting my Aviion 8500:

What is JP A in slot 0?
Why is it failing to boot at all? No OS present on the disk?
Can I attach any SCSI drive (with variable blocksize) to this so I can 
put OpenBSD on there?

Data General AV8500/AV950
Data General Corporation (C) 1994 - 1996
Sizing system.........................
JP A  in slot 0 is DEAD

Slot0/Jp1:JP timed out waiting for command from master.
Sizing system.........................
Delaying for possible processor speed differences .......
CPU Board in slot 0
CPU Board in slot 1
MM Board in slot 2
IOC Board in slot 8
JP A  in slot 0 is DEAD
Found SIMM A  (128M) in slot 2
Found SIMM B  (128M) in slot 2
Found SIMM C  (128M) in slot 2
Found SIMM D  (128M) in slot 2

Initing memory starting at 0x0; ending at 0x1FFFFFFC
[snipped]
Sizing for expansion devices on IOC0...
Found On-Board SCSI
Found On-Board LAN
Found MC VME
Found Expansion 0 SCSI A
Found Expansion 0 SCSI B
Found Expansion 1 SCSI A
Found Expansion 1 SCSI B
Checking PROM revs
Testing memory access from JP 2
Testing memory access from JP 3

COPYRIGHT (C) DATA GENERAL CORPORATION 1994 - 1996
AViiON 8500/9500 Series Computer
Firmware Revision 4.4.0
IOC0 Integrated LAN: Ethernet Address is 08:00:1B:20:88:01
Found 512 Megabytes of memory . . 

Testing...

[snipped]
Passed

Booting sd(ncsc(),0)root:/dgux.installer -i . . 
DG/UX System Release R4.11MU04 Bootstrap
*** ERROR:  Maximum number of aggregation pieces exceeded.


Halted!  Code: 0031027011


JP#1/PSR  EXIP      ENIP        410:ICSH DCSH    110:ICSH DCSH IMMU DMMU
A20003F2  000002A4  FFC2EA84          Y    N           Y    N    N    Y

[entered help system to view disks]

Memory size is  512 Mbytes
Top of memory = 1FFFFFFC hex.
Top of memory available for use = 1FF9FFFC hex.
Memory module 2 contains 512 Mbytes

IOC0 Integrated SCSI:
    Size SCSI bus? [y]/n y
    Enter host SCSI ID [7]

    ID 0: IBM Disk Drive,  Boot specification - sd(ncsc(0,7),0)
    ID 2: IBM Disk Drive,  Boot specification - sd(ncsc(0,7),2)
    ID 3: IBM Disk Drive,  Boot specification - sd(ncsc(0,7),3)
    ID 4: TANDBERG Tape Drive,  Boot specification - st(ncsc(0,7),4)
    ID 5: SEAGATE Disk Drive,  Boot specification - sd(ncsc(0,7),5)


IOC0 Integrated LAN: Ethernet Address is 08:00:1B:20:88:01
               : Boot specification - dgen(0)

Jp#1/SCM110>b sd(ncsc(0,7),0)

Booting sd(ncsc(0,7),0) . . 
DG/UX System Release R4.11MU04 Bootstrap
*** ERROR:  Maximum number of aggregation pieces exceeded.

Halted!  Code: 0031027011

JP#1/PSR  EXIP      ENIP        410:ICSH DCSH    110:ICSH DCSH IMMU DMMU
A20003F2  000002C0  FFC2EA84          Y    N           Y    N    N    Y
Jp#1/SCM110>b sd(ncsc(0,7),2)

Booting sd(ncsc(0,7),2) . . 
DG/UX System Release R4.11MU04 Bootstrap
*** ERROR:  Could not find virtual disk.


Halted!  Code: 0010027007


JP#1/PSR  EXIP      ENIP        410:ICSH DCSH    110:ICSH DCSH IMMU DMMU
A20003F2  00000270  FFC2EA84          Y    N           Y    N    N    Y
Jp#1/SCM110>b sd(ncsc(, 0,7)3)

Booting sd(ncsc(0,7)3) . . 
DG/UX System Release R4.11MU04 Bootstrap
*** ERROR:  Specified device is not recognized.


Halted!  Code: 0000016051


JP#1/PSR  EXIP      ENIP        410:ICSH DCSH    110:ICSH DCSH IMMU DMMU
A20003F2  0000021C  FFC2EA84          Y    N           Y    N    N    Y
Jp#1/SCM110>b sd(ncsc(0,7)5)

Booting sd(ncsc(0,7)5) . . 
DG/UX System Release R4.11MU04 Bootstrap
*** ERROR:  Specified device is not recognized.


Halted!  Code: 0000016051


JP#1/PSR  EXIP      ENIP        410:ICSH DCSH    110:ICSH DCSH IMMU DMMU
A20003F2  0000021C  FFC2EA84          Y    N           Y    N    N    Y
Jp#1/SCM110>