HP 9830 - Page 18

Single
Service
FF
8
9
U12-7
10
nOTx
N12A.3
N13B.E
9
CSn
U11-14
5495
shift
register
13
Q0
12
Q1
11
Q2
10
Q3
SI
CPn
1
8
2
D0
3
D1
4
D2
5
D3
S/P
6
9
CSn
U11-15
5495
shift
register
13
Q0
12
Q1
11
Q2
10
Q3
SI
CPn
1
8
2
D0
3
D1
4
D2
5
D3
S/P
6
9
CSn
U11-17
5495
shift
register
13
Q0
12
Q1
11
Q2
10
Q3
SI
CPn
1
8
2
D0
3
D1
4
D2
5
D3
S/P
6
9
CSn
U11-18
5495
shift
register
13
Q0
12
Q1
11
Q2
10
Q3
SI
CPn
1
8
2
D0
3
D1
4
D2
5
D3
S/P
6
DO15/CO3
DO14/CO2
DO13/CO1
DO12/CO0
DO11/SO3
DO10/SO2
DO9/SO1
DO8/SO0
DO7
DO6
DO5
DO4
DO3
DO2
DO1
DO0
nSI3/nDI11
nSI2/nDI10
nSI1/nDI9
nSI0/nDI8
nDI7
nDI6
nDI5
nDI4
nDI3
nDI2
nDI1
nDI0
1
3
U11-16
2
9
12
11
U11-16
13
d
10
nS
U11-13
7474
9
Q
8
nQ
D
11
Cp
12
nR
13
4
nS
U11-13
7474
5
Q
6
nQ
D
3
Cp
2
nR
1
d
d
TBUS
5
6
U11-19
4
8
9
U11-20
N11B.12
nDO0
13
11
U11-1
12
nCEOb
5
6
U11-16
4
1
3
U11-2
2
5
6
U11-2
4
10
8
U11-2
9
1
U11-7
12
13
2
1
U11-6
12
2
13
12
11
U11-11
13
1
3
U11-11
2
11
U11-6
8
10
9
nDEN
13
11
U11-5
12
10
8
U11-5
9
5
6
U11-1
4
2
3
U11-4
1
12
13
U11-3
nSSI
nPOP
EOW
10
8
U11-10
9
STF
Q0(11)
N11B.M
QNR
nKSTOP
nSIH
EOW
13
11
U11-10
12
Q4
1
3
U11-10
2
4
6
U11-10
5
EOW
CLF
KLS
Q3
Q0(11)
2
3
U11-5
1
CLF
Q0(11)
4
6
U11-5
5
STC
n(CLF•Q0)
n(CLF•Q0)
n(STF•Q0)
n(STF•Q0)
n(CLF•Q0)
Q00000
Q00000
DRC
CLF
IOCKT
N11A.4
nCEO
nCFI
N23A.R
nSRA
0.01
HP 9830 Computer
Section: I/O Flags & Register, 9866 Interface
Page: F2 Rendition: 2014 Dec 26
4
U11-7
6
3
5
3
U11-6
6
5
4
nPOP
nSRA
Service
Inhibit
FF
Display
Enable
FF
SIH
Control Enable
Out FF
nQ00000
nQ00000
N01.1
N06.H
U02-4
7475
16
Q0
15
Q1
10
Q2
9
Q3
E01
4
2
D0
3
D1
6
D2
7
D3
E23
13
1
14
11
8
U02-5
7475
16
Q0
15
Q1
10
Q2
9
Q3
E01
4
2
D0
3
D1
6
D2
7
D3
E23
13
1
14
11
8
N01.B
N01.4
N01.3
N01.2
N01.D
N01.C
N01.E
N06.C
N06.L
N06.K
N06.J
N06.D
N06.E
N06.F
N06.V
N01.5,6
N01.A
N06.A
HP-9866
PRINTER
CONNECTOR
nPACK
GND
nPD6
nPD5
nPD3
nPD2
nPD1
nPD0
nPD4
nPSTB
4
nS
U02-3
7474
5
Q
6
nQ
D
3
Cp
2
nR
1
12
11
U02-2
13
8
9
U02-2
10
1
12
U02-1
10
13
8
9
2.2K
10
nS
U02-3
7474
9
Q
8
nQ
D
11
Cp
12
nR
13
3
2
U02-2
4
U02-1
5
1
6
2
2.2K
5
6
U02-2
4
DO6
DO5
DO4
DO3
DO2
DO1
DO0
nSI0
CO3
CO2
CO2
CO0
nCEOb
DRC
TTO
I/O Data
Register
I/O Control
Flags
9866 Printer
Interface
Tp
3
Tn
5
4
Tn
U11-8
74121
600nS
6
Q
nQ
10
11
4.42K
200pF
1
2.7K
d
?
15V
7 of
0.01
N11A.B2
N11A.A1
B.S15
CPU I/O
Assembly 11
EXTERNAL I/O BUS
Assembly 02
10
U11-7
8
9
11
8
10
U11-
16
9
8
10
U11-
19
2
3
1
U11-
1