HP 9020 Service Manual page 234

E-2
110 Backplane Data
49
7 ~1
49
h
~1
50~
~
P1
B40--.
P2
2 B1
50~
2
A40.-:;t
.....-
1
P14
2 P3
~A1
49
B40 .........
...........B1
~
A40
J
'A1
...-1
P4
,
B40-.
~B1
P13
2
A40/
'A1 50 P5
B40--.
~B1
A40-=:t
!!!..-A 1
B30
B1 P6
'\.
,/
B35 ____
.,..--B1
A30~ ~A1
A35~ ~A1
P7 P10
B30--.......
...-B1
B35-.....
;»_B1
A30~
~A1
A35......J!
~A1
P8
P11
B30_
........... B1
A30
Y
~A1
J12
pg
B1-.i.,
~B48
7 ~
Edge View
A48
P1
P2
P3
TO DISPLAY INTERFACE
TO D:SPLAY INTERFACE TO 1/0 CARD SLOTS
MODULE CONNECTOR J2; POWER
MODULE CONNECTOR J4; lOP BUS
A
B
SGND 50 49 SGND
GND 50 49 NBR 40 40
SGND 48 47
SGND NWAIT 48 47
GND 39 39
SGND 46 45 SGND
NFLG 46 45 NSTS 12 38 38 12
SGND 44 43
SGND NRAMD 44 43
GND
-12 37
37 12
18
42 41 18
READ 42 41 GND AC+ 36 36 AC+
18 40
39 18 NPOLL 40 39 GND
AC 35 35
AC-
-18
38 37 18
NIFC 38 37 GND GND 34 34 GND
DGND 36
35
DGND
NIOBSB 36 35 GND PPON
33 33 PPON
DGND 34 33 DGND NIODO
34 33 NIOD1 NPFW 32 32 NNMI
DGND 32 31
DGND GND 32 31
NIOD2 NOT USED 31 31 NOT USED
DGND 30 29 DGND NIOD3
30 29 GND NSW2 30
30
NOT USED
DGND 28 27
DGND NIOD4 28 27
NIOD5 NSWO 29 29 NSWO
12 26 25 12
GND 26 25 NIOD6 NDPA 28
28
NSTS
12 24 23 12
NIOD7 24 23
GND GND 27 27 GND
12 22 21 5
NIOD8 22 21 NIOD9 NMYPA 26
26
NIFC
20 19
GND 20 19
NIOD10 NDBYT 25 25 NDEND
5 18 17 5
NIOD11 18 17 GND NBR 24 24 NARQ
5 16 15
5 NIOD12 16
15 NIOD13 GND 23 23 GND
14 13
GND 14 13 NIOD14 CCLK 22
22 NIOSB
5 12 11
NIOD15 12
11 GND GND 21 21 GND
5 10 9
NIC4 10 9 NIC3 SYNC
20 20 NPOLL
5
8 GND
8 7 NIC2 NIC2 19 19 NIC3
5 6 5 -5
NIC1 6 5 GND NIC1 18
18 NIC4
5 4
3 5 NPAO 4
3 NPA1 READ 17 17 NUAD
2
NPA2 2 GND GND
16 16 GND
NPAO 15 15 NPA1
NPA2 14
14 NPA3
GND 13 13 GND
NIODO 12
12 NIOD1
NIOD2 11 11 NIOD3
GND 10 10
GND
NIOD4 9 9 NIOD5
NIOD6
8 NIOD7
GND 7 GND
NIOD8 6
NIOD9
NIOD10
5 NIOD11
GND 4 4 GND
NIOD12
3 3 NIOD13
NIOD14 2 NIOD15
SGND
SGND
Figure
E-l.
1/0 Backplane Connectors Locator Drawing (Sheet 1 of 3)