SYM-1 BOARD

Expansion Connector (E):
1   SYNC
2   RDY
3   0̸1
4   IRQ
5   RO
6   NMI
7   RES
8   DB7
9   DB6
10   DB5
11   DB4
12   DB3
13   DB2
14   DB1
15   DB0
16   18
17   DBOUT (1)
18   POR
19   Unused
20   Unused
21   +5V
22   GND
 
A   AB0
B   AB1
C   AB2
D   AB3
E   AB4
F   AB5
H   AB6
J   AB7
K   AB8
L   AB9
M   AB10
N   AB11
P   AB12
R   AB13
S   AB14
T   AB15
U   0̸2
V   R/W
W   R/W
X   AUD TEST
Y   0̸2
Z   RAM R/W

Application Connector (A):
1   GND
2   APA3
3   APA2
4   APA1
5   APA4
6   APA5
7   APA6
8   APA7
9   APB0
10   APB1
11   APB2
12   APB3
13   APB4
14   APA0
15   APB7
16   APB5
17   KB ROW 0
18   KB COL F
19   KB COL B
20   KB COL E
21   KB COL A
22   KB COL D
 
A   +5V
B   00
C   04
D   08
E   0C
F   10
H   14
J   1C
K   18
L   Audio In
M   Audio Out (LO)
N   RCN-1 (jumper option)
P   Audio Out (HI)
R   TTY KB RTN (+)
S   TTY PTR (+)
T   TTY KB RTN (-)
U   TTY PTR (-)
V   KB ROW 3
W   KB COL G
X   KB ROW 2
Y   KB COL C
Z   KB ROW 1

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Comments to Dan Veeneman
Last updated August 19, 2008