Xerox 560

(Maximum
of eight)
Core Core Core
Core
Memory
Memory Memory
Memory
Modules Modules
Modules
Modules
(CMM) (CMM)
(CMM)
(CMM)
Memory
Memory
Memory
Memory
Memory
Memory
Memory
Memory
Unit
Driver
Unit
Driver
Unit
Driver
Unit
Driver
(MD)
(MD) (MD)
(MD)
P P P P P P
P P P P P P
P P P P
P P P P
P P P P
1 2
3 4 5 6
1 2
3 4 5 6
1 2 3 4 5 6
1
2 3
4 5 6
Memory Bus 1
Memory
Bus 2
I
- --
--,
1
I
---
---I
1
I I
Memory
,
L....--
Memory
I
T ntArfn C-A
I
Interface
-
I
.---
I
I
I
I
Basic
f
I
I--
Processor
I
I--- RMP
I
I
<I)
I
::>
<I)
co
::>
Processor
Pr
co
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ocessor
2
I
Cluster
...
I
~ CI
uster
<I)
~
:g
I
u
I
u
I--
MIOP
I
I--
MIOP
I
I
I
I
I
Processor
I
Processor
L--
Interface
l..--
Interface
I
I
I
L ___
--~
L ___
___ -.J
To Processor Bus(es)
To Processor Bus(es)
Figure 4. Main Memory
Main Memory
15