Arcom SC88T, Technical Manual

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Section 4. Links and Options
There are many different ways in which you can configure the SC88T; they are
selected by jumpering across the links on the board. A ‘+’ indicates a default link
setting. The board is described as seen from the component side of the board,
with the 64-way bus connector to the right.
Figure 1. Link Positions
Link area 1 Attention Requests in and out
J90 SC88T
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2192-08819-000-000
TP3
TP4
LK5
PL2
TP1
TP8
LK6
A
B
A
B
A
B
A
B
A
B
LK7
LK9 LK8
TP9
TP10
TP11
A B
TP6
TP7
LK4
LK2
LK1
A
B
C
A
B
C
D
E A
B
C
D
E
LK3
1 2
1 2
PL1
PL3
LK10
TP2
TP5
LK1A1
LK1A2
LK1B1
LK1B2
LK1C1
LK1C2
LK1D1
LK1D2
LK1E1
LK1E2
LK1DE2
/ATOUT to ATNRQ1*
ATNRQ1* goes to CPU INT0
/ATOUT to ATNRQ2*
ATNRQ2* goes to CPU INT1
/ATOUT to ATNRQ3*
ATNRQ3* goes to CPU INT3
/ATOUT to ATNRQ5*
ATNRQ5* goes to CPU DRQ0
ATNRQ7* goes to CPU DRQ1
ATNRQ6* goes to CPU DRQ1
ATNRQ6* goes to CPU DRQ0
Figure 2.
Link area 1.
o A1 o A2 o
o B1 o B2 o
o C1 o C2 o
o D1 o D2 o
DE2
o E1 o E2 o