!
(X)
"II
cE'
e
iil
f'
...
...
l>
'tI
><
co
CO
:!!:
§:
.g'
a
lil
en
en
5'
(C
C/l
'<
1t
3
1/0
PROCESSING SUBSYSTEM DATA PROCESSING SUBSYSTEM
...------,
1/0
MAPPED
LOCAL
1/0
DEVICES
ROMIRAM
RESOURCES
. D D
~,
0.
<_
1/0
BUS)
t:
LOCAL BUS
~
<
8288
BUS CONTROLLER
8284A
CLOCK GENERATOR
1 \
1 \
8284A
CLOCK GENERATOR
,r------------~~3y~~~~------D---~\
1 \
...
___
........
--....1'
J \ ' ,
/1
TRANSCEIVERS TRANSCEIVERS
\'i8ij/20---U~-----i
/ AND LATCHES AND
LATCHES:
:
V'
;'
I:
1)-
8288
BUS CONTROLLER
8089
lOP
j
~
--
8088
1--'--
__
--1
CPU
I
8289
BUS
ARBITER
TRANSCEIVERS
AND LATCHES
L...-
r--
I
I
I
I
I
I
I
X
"Ii
v
TRANSCEIVERS
AND LATCHES
8289
BUS ARBITER
8288
BUS CONTROLLER
cD
tp
1
D
c:fi
tp
MULTIBUS'
SYSTEM BUS
I
MULTIBUS" CONTROLS
il
I
MUL TlBUS'" CONTROLS
SYSTEM
ROMIRAM
>
:I>
'tI
'tI
r
n
:I>
::!
o
z
m
><
:I>
s:
'tI
r
m
en