>You did remember to cut the NPG jumper on the slot that you stuck the
>RL11 in, I hope...
Thanks... I did forget (I've done mostly Qbus for quite awhile...
so the UNIBUS specific stuff may slip my mind for a bit)
>That's the most common 11/34 problem, assuming you're using an M9302
>terminator. You have a grant open somewhere (either you're missing an
>continuity card or you've got an NPG jumper missing). THe M9302 then
>asserts SACK, the CPU tries to remove the asserted grant line but can't,
>and it locks up.
Aha... right... I'll have to check the backplane... there were a number
of boards in it, some were probably DMA devices... (as I said, it may
take a little time for it to come back to me...)
Megan Gentry
Former RT-11 Developer
+--------------------------------+-------------------------------------+
| Megan Gentry, EMT/B, PP-ASEL | Internet (work): gentry!zk3.dec.com |
| Unix Support Engineering Group | (home): mbg!world.std.com |
| Compaq Computer Corporation | addresses need '_at_' in place of '!' |
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http://world.std.com/~mbg/ |
| Nashua, NH 03062 | "pdp-11 programmer - some assembler |
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+--------------------------------+-------------------------------------+
Received on Tue Apr 13 1999 - 21:09:10 BST