IBM Series 1 User Manual page 225

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I'V
I
U'1
- Block requests in
0
AND
+
Cycle steal
-
-
request
G'l
>
W
AND
~
-
I
0
--
l
0
-
. .
w
w
Prepare
Level bits
-
. .-
register
- . ..
-
AND
l-bit
..-
+
Interrupt request
-
-
- Poll ID bit 0
I
f'.....
Inverter
'"
Inverter
- Poll ID bit 1
I
"-
Inverter
~
- Poll ID bit 2
I
t-....
Inverter
l - -
- Poll ID bit 3
I
""-
Inverter
Compare
- Poll ID bit 4
CD
"-
Inverter
".."
Ailii-
.a,
p"
Inverter
t--....
l
\
t"-...
,
4 to 16
decode
Gate
i'--...
(
Key:
G)
=
Device intert:
CD
=
Jumper conn
o
=
Off-page con
h
=
Negative acti
- Cycle steal
request in
+ Enabled CS
request
+ Clock CS request
+ Enabled interrupt
request
+ Clock interrupt
request
- Request in
bus bits 00-15
+ Interrupt
level compare
e with channel
tion
ction to another figure
signal
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