A
1
C C
25
N02
A
1
Z
22
N51A
A
1
Z
22
N24Ar
A
1
Z
22
N24Af
A
1
BB
24
N23A
A
1
N22A
A
1
L
10
N21A
A
1
V
18
N14A
A
1
V
18
N13A
A
1
F
6
NT
A
1
V
18
N12A
A
1
V
18
N11A
A
1
S
15
N65
A
1
Z
22
N42
BB
24
A
1
L
10
N61A
A
1
V
18
N63
A
1
V
18
N64
A
1
N62
BB
24
A
1
V
18
N61B
A
1
S
15
N41
A
1
S
15
N34
A
1
V
18
N26d
A
1
V
18
N26c
A
1
V
18
N26b
A
1
V
18
N26a
A
1
Z
22
N23B
A
1
Z
22
N22B
A
1
C C
25
N21B
A
1
C C
25
N25
A
1
V
18
N24Br
A
1
V
18
N24Bf
A
1
V
18
N51B
A
1
S
15
N14B
A
1
S
15
N13B
A
1
S
15
N12B
A
1
S
15
N11B
A
1
Z
22
N03
DISPLAY
KEYBOARD
POWER SUPPLY
A
1
L
10
N52
TAPE
INTERFACE
TAPE
CONTROL
TAPE
R/W
TAPE
MOTOR CONTROL
DISPLAY
LOGIC
CLOCK
& I/O
I/O
REGISTER
ALU
CONTROL
ROM
BUFFER
BASIC
ROM I
RAM
T
REGISTER
M REGISTER
& CONTROL
BASIC
ROM II
RAM
EXTERNAL I/O BUS &
9866 INTERFACE
TAPE
INTERCONNECT
BACKPLANE
TOP VIEW
HP 9830 Computer
Section: Board Layout - Backplane
Page: L1
Rendition: 2014 Dec 26
ROM
OPTION
ROM
OPTION
ROM
OPTION
1
A
6
F
N01
9866 CONN.