HP 3000 SERIES II System Service Manual page 60

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SELECTED REGISTERS
V-BUS CMD I/O
CLK LAMPS ON ADDRESS DEVNO. 10D lOP DATA
CTL COMMENTS
193
SIO ACTIVE 3275 0 35
37 0
-
I/O WAIT
194 SIO ACTIVE 3276 0 35 37
0 077740
1/0 WAIT
195 SIO ACTIVE 3277 0 35 37
77740
-
lOB ENABLE
196 SERVICE OUT 3275 0 35 37
77740
-
SIO ACTIVE
lOB ENABLE
197 SERVICE IN 3276 0 35 37 77740
-
SIO ACTIVE
lOB ENABLE
198 3277 0 35 37 0
-
199 DATA POLL 3275 0 35 37 0 -
200 DATA POLL 3276 0 35
37 0 -
201 DATA POLL 3277
0 35 37 36
-
202
SERVICE IN
3275 0 36 37 0
-
SIO ACTIVE
1/0
LORQ
203 SIO ACTIVE 3276 0 36 37 0
36
I/O WAIT
I/O SELECT
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