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4-.2.9
Jumper R25
This jumper allo\\'s selection
bet\\('cl1
thc
':710
dnd 2732 EPRL)Ms.
When instaHea
between pins 1 and 2, the 2716
l:.PRi..'\\ i:;
,H1drc:;sed;
when installed between pins 2 and 3,
the 2732 EPROM is addressed.
Jumper J7
4-.2.10
GNO
GNO
GNO
GNO
GNO
GNO
GNO
8
7
9
6
10
5
..
-
11
4
12
3
13
2
14
1
BDo
B05
B04
B03
B02
BOl
BOO
This jumper sets the hardware baud rate. When the jumper is inserted an inverted ground
condition exists (1); when not inserted a zero (0) value is assumed. This setting must agree
with the Set Baud Rate Port (port 18 - refer to subsection 3.2.21) e.g., when 7, 6, 5, and 4-
are installed, 19.2K baud is read.
4-.2.11
p
N
M
K
J
R
s
F
Jumpers P, N, M, K, J, R, 5, and F
3
L
These jumpers select between vectored interrupts or the Parallel
1/0
second port. When
installed between pins land 2, the vectored interrupts zero (0) to 7, as selected, are
enabled and connected to Parallel I/O port B. When jumpers are installed between pins 2
and 3, Parallel I/O port B is connected to the J2 connector.
-25-
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