HP 900 Series - Figure 3-16. Model 330 Processor Board Diagram

~
&Q.
=
'"1
t'D
12
-f>-
~
I
l...o..LA 32
-
......
... 20
PA
~
~
~
0
Q..
.....0
32
68020
, ......
68851
P-t>--J
~
,..
CONTROL
t'D
-
~
~
=
.
,
""d
'"1
CPU
Space
INT
0
n
Decode
t'D
C'Il
C'Il
0
'"1
t;O
0
~
'"1
Q..
t;O
-
0
n
~
~
~
~
n
s·
()Q
1
~
j
,
__ RNl
10.
RAM
--
""""-cs
.. RNS
...
68881
4 Mbytes
....
&
Parity
~
4
-
7
.....,
!lW
1
IP
Byte Parity
I+-
4-
Generator
I+-----l
....
-
~
o·
'"1
~
~
e:..
s
&
Checker
--
L __ _1,!7 __
t:i
(!)
U:J
n
"'"l
-e.
~
o·
~
00
~
,..
Decoder
& DTACK
~
.32
II. 32
BOOTes
Boot
ROMs
--
I
j
~
System
Timer
3
T 10 32
,
110
......
,
'--
IRII
RAM
~
....-.-.
Control
010 Signal
l-..
-
--
Generator
I
~
010
------
Buffer
Control
PCS
MCS
-
-
j
~
~
MMU Status
res
and Parity
-
Registers
!
-
16
,
4~
FOLD
111
31
-,
16
7
BA
BD
XD
010
CONTROL