Help needed...VAX 7000 mop booting problems

So, I've been trying for a few days to get my VAX 7000/640 (currently with only one processor, so a 610 I guess) to MOP boot into a VMS cluster. I'm running OpenVMS hosted off SIMH, and have tried both 7.2 and 7.3, and have successfully booted my VAX 4000/100 off the setup. I've also successfully booted the firmware update utility (LFU) and the file "ISL_LVAX_073.SYS" that comes on the install CD, through MOP. However, when I try to do a mop boot, the system just halts and says boot failure: --------------------------------------------------------------------- Initializing... F E D C B A 9 8 7 6 5 4 3 2 1 0 NODE # A M . . . . . . P TYP o + . . . . . . + ST1 . . . . . . . . B BPD o + . . . . . . + ST2 . . . . . . . . B BPD + + . . . . . . + ST3 . . . . . . . . B BPD + . . . . . + . . + . . . + C0 XMI + . . . . . . . . . . . . . . . . C1 . . . . . . . . . . . . . . . . C2 . . . . . . . . . . . . . . . . C3 . A0 . . . . . . . ILV . 512 . . . . . . . 512MB Firmware Rev = V4.3-4842 SROM Rev = V3.1-0 SYS SN = AB25002CX0 Booting... Connecting to boot device exa0 Created device: exa0.0.0.1.0 Attempting MOP boot. Requesting MOP Assistance Volunteer. MOP Assistance Volunteer found. Loading... ... Load complete! Image size: 133241 Host name: SIMV73 Host address: aa-00-04-00-06-04 bootstrap code read in base = 154000, start = 0 boot device name = exa0.0.0.1.0 boot flags 0,0,0 boot device type = 69 controller ID = a unit number = 0 node ID = 0 channel = 0 slot = 1 hose = 0 jumping to bootstrap at 154000 CPU:0 Console entry reason: HALT instruction in kernel mode Entry PC: 006B6368 Entry PSL:041F0600 --------------------------------------------------------------------- I've tried it omitting the -flags part, and with -fl 1, but they all give the same error. Anyone have any useful hints? Or, another VAX 7000 to try repeating my (failing) experiment on? Thanks, Pat -- Purdue University ITAP/RCAC --- http://www.rcac.purdue.edu/ The Computer Refuge --- http://computer-refuge.org