RLV11 Debugging

[Ben Sinclair]

Now that I (hopefully) have my PDP 11/23 running (it passes CPU and memory
tests, anyway), I've been messing with my RLV11 so I can use my RL02.

For a first step, I'm trying to run the VRLBC0 diskless diagnostic to check
the controller. I checked that the address and vector switches are set to
the defaults according to he manual, and also verified them with a
multimeter.

The manual says the default vector address is 330, though the diagnostics
default to 160. I tried it both ways with the same result, though I should
be on 330.

I'm not actually sure what "BR LEVEL" refers to, so I left that at the
default.

This is a PDP 11/23 with an H-9273 backplane. I have the M8186, M8067,
M8043, then the two RLV11 boards, M8013 and M8014, then an M8012.

Here's a sample run. It appears to start, but never does anything else. If
I give it a bad address it does complain, so I think I have the switches
correct.

Does anyone know what I might try next? Thanks!


.R VRLBC0
VRLBC0.BIC

DRSSM-G2
CVRLB-C-0
RLV12 DISKLESS
UNIT IS RLV12, RLV11, OR RL11
RSTRT ADR 145702
DR>START

CHANGE HW (L)  ? Y

# UNITS (D)  ? 1

UNIT 0
RLV12           (L) Y ? N
RLV11           (L) Y ? Y
CSR ADDRESS     (O)  174400 ?
VECTOR          (O)  160 ? 330
BR LEVEL        (O)  4 ?

CHANGE SW (L)  ? Y

ERROR LIMIT FOR AUTO-DROP  (D)  0 ?

ALL REMAINING QUERIES ARE FOR OPTIONAL (MANUFACTURING)
G5388 TEST-LOOP-MODULE SET-UP.  USE <^Z> TO BYPASS.

G5388 TLM INSTALLED     (L) N ? N

  MMU AVAILABLE
  MEMORY SIZE  124 KW
  18 BIT ADDRESSING



-- 
Ben Sinclair
ben at bensinclair.com