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E4 3
F5 4
B4 5
B5 5
NVEN
FEPEN
ODEV
DB[0..31]
E1
1
SW0
SW0
SW1
SW2
SW3
SW4
SW0
DB[0..31]
SW5
+5V
SW6
SW7
1A1
2
1Y1
18
1A2
4
1Y2
16
1A3
6
1Y3
14
1A4
8
1Y4
12
2A1
11
2Y1
9
2A2
13
2Y2
7
2A3
15
2Y3
5
2A4
17
2Y4
3
1G
1
2G
19
U78
74F244
1
3
4
5
6
7
8
9
2
R1
4.7K
1 16
2 15
3 14
4 13
5 12
6 11
7 10
8 9
S2
DB24
D5
D5
3
G24
ERR[0..3]
ERR0
ERR1
ERR2
ERR3
ERR[0..3]
DPD0
DPD1
DPD3
DPD[0..3]
DPD[0..3]
TOEN
TIME OUT CKT ENABLE
A4
4
H34
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
1A1
2
1Y1
18
1A2
4
1Y2
16
1A3
6
1Y3
14
1A4
8
1Y4
12
2A1
11
2Y1
9
2A2
13
2Y2
7
2A3
15
2Y3
5
2A4
17
2Y4
3
1G
1
2G
19
U85
74F244
1A1
2
1Y1
18
1A2
4
1Y2
16
1A3
6
1Y3
14
1A4
8
1Y4
12
2A1
11
2Y1
9
2A2
13
2Y2
7
2A3
15
2Y3
5
2A4
17
2Y4
3
1G
1
2G
19
U87
74F244
NVRAM WRITE ENABLE
FLASH EPROM WRITE ENABLE
DRAM PARITY BIT
RESET DSP
MASK/CLEAR TIMEOUT STATUS
GO TO TEST BOARD
GENERATOR/AES RESET-0
GENERATOR/AES RESET-1
STATUS CLEAR
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
A1
4
B1
20
A2
5
B2
19
A3
6
B3
18
A4
7
B4
17
A5
8
B5
16
A6
9
B6
15
A7
10
B7
14
A8
11
B8
13
GAB
3
GBA
21
CAB
1
SAB
2
CBA
23
SBA
22
U86
74F651
+5V
CLR_PAR
RSTDSP
RSTOA
RSTOB
NMICLR
STCLR
G3 4
H5 5
B5 1
A5 11
G5 11
F5 1
C3 5
D3 11
H4 5
F4 5
F4 5
F4 5 D3 10
F3 5
MNDIS
MIRQ3A
MIRQ3B
MIRQ1
MIRQ2
GPIBC
DB8
DB9
DB10
DB11
DB12
DB13
DB14
DB15
A1
4
B1
20
A2
5
B2
19
A3
6
B3
18
A4
7
B4
17
A5
8
B5
16
A6
9
B6
15
A7
10
B7
14
A8
11
B8
13
GAB
3
GBA
21
CAB
1
SAB
2
CBA
23
SBA
22
U88
74F651
+5V
+5V
+5V
DB8
DB9
DB10
DB11
DB12
DB13
DB14
DB15
DB16
DB17
DB18
DB19
DB20
DB21
DB22
DB23
1A1
2
1Y1
18
1A2
4
1Y2
16
1A3
6
1Y3
14
1A4
8
1Y4
12
2A1
11
2Y1
9
2A2
13
2Y2
7
2A3
15
2Y3
5
2A4
17
2Y4
3
1G
1
2G
19
U90
74F244
NVPD0
NVPD1
PGOK
PGOK
EPD0
EPD1
uP TIME OUT
NVBF
NVBF
TMO
FPD0
FPD1
FPD2
FPD3
FPD4
FPD5
FPD6
FPD7
C35
DB25
DB26
DB27
DB28
DB29
DB30
DB31
EPROM JUMPERS
EPD0
EPD1
+5V
B5
G53
1
2
3
4
5
R45
4.7K
1
2
J30
1
2
J29
DIPCS
SW1
SW2
SW3
SW4
SW1
SW2
SW3
SW4
SW5
SW5
SW6
SW7
SW6
SW7
+5V
+5V +5V +5V
R311
0 OHM
R316
4.75K
R315
R317 R318 R306
+5V +5V +5V +5V
FPD[0..7]
H4
3
R305 R304 R303
BSRCS
RV0
RV1
RV2
RV3
RV4
RV5
RV6
RV7
FPD[0..7]
H2
2
DB24
DB25
DB26
DB27
DB28
DB29
DB30
DB31
1A1
2
1Y1
18
1A2
4
1Y2
16
1A3
6
1Y3
14
1A4
8
1Y4
12
2A1
11
2Y1
9
2A2
13
2Y2
7
2A3
15
2Y3
5
2A4
17
2Y4
3
1G
1
2G
19
U126
74F244
DB16
DB17
DB18
DB19
DB20
DB21
DB22
DB23
A1
4
B1
20
A2
5
B2
19
A3
6
B3
18
A4
7
B4
17
A5
8
B5
16
A6
9
B6
15
A7
10
B7
14
A8
11
B8
13
GAB
3
GBA
21
CAB
1
SAB
2
CBA
23
SBA
22
U92
74F651
+5V
1
2
4
5
6
U77A
74F20
+5V
MIRQ5A
MIRQ5B
MIRQ6A
MIRQ4
RST59
9
10
11
8
U59C
74F11
+5V
RST_IC
D4
2
B3 1
F4 5
F5 5
H4 5
H4 5
H5 5
F3 12
B5 10
MIRQ6B
MIRQ7A
BKEN
+5V
DATA
2
GND
1
NC
3
U127
DS2401
RSTIO
R263
4.75K
DB24
DB25
DB26
DB27
DB28
DB29
DB30
DB31
A1
4
B1
20
A2
5
B2
19
A3
6
B3
18
A4
7
B4
17
A5
8
B5
16
A6
9
B6
15
A7
10
B7
14
A8
11
B8
13
GAB
3
GBA
21
CAB
1
SAB
2
CBA
23
SBA
22
U125
74F651
MIRQ4B
+5V
9
10
8
U45C
74F38
+5V
F5
5
R264
4.75K
R309
0 OHM
R308
0 OHM
R307
0 OHM
R313
0 OHM
R314
0 OHM
R310
0 OHM
NOT INSTALLED
R312
QADS2
QADS3
QADS4
QADS5
QADS6
QADS7
QADS[0..31]
QADS[0..31]
CKOE
R186
33.2
H3
1
H32
B45
DB24
DB25
DB26
DB27
DB28
DB29
DB30
DB31
OERB
CCS
(ADDED)
E35
E45
5
A1
9
A0
10
A2
8
A3
7
A4
6
A5
5
D0
11
D1
12
D2
13
D3
15
D4
16
D5
17
D6
18
D7
19
INTA
1
INTB
26
SQW
23
OE
22
CE
20
WE
27
VCC
28
GND
14
NC
4
NC
2
NC
3
NC
21
NC
24
NC
25
U93
DS1286
TP11
TMIRQ
+5V
+5V
+5V
R218
33.2
R220
33.2
H4
5
R234
3.32K
+5V
0
CLKCS
REAL TIME CLOCK
CLKWE
R208
33.2
B45
VCC
+5V
GND
AM 700 BOARD REGISTERS AND TIMER 6
PART OF A6 MAIN/CPU BOARD
BOARD CODE REGISTER BOARD STATUS REGISTER
BOARD PROGRAM REGISTER