Bally 5000 Plus, Manual

Page: 155 / 388

3 . MPU BOARD
T r oub l eshoot i ng ( con t ' d )
J UMP E R S E L ECT TAB L E
T h r ee P i n Jumper Se l ec t i ons Two P i n J um p e r Se l ec t i ons
Jumper P i n (X) To (X)
Jumper Coc1Inents
-tmper Convnents
P i n 1 P i n 2 P i n 3
Jl X
-
--X
bln us i ng 27256
at
U 1 2
&
U15 J l l I nsta I I jlJlll)er
X X
When US i ng 275 1 2
at
U 1 2 & U15
Don ' t care When us i ng p i ggyback PAL
J 1 2
Do not I nsta I I jLl11per
J2
X
-
--X
When us I ng 27256 at U 1 2 J 1 4 Do not I nsta l I jLl11Per
X
-X
When us i ng 27512 at U 1 2 ( I nsta l I on l y for
eru l at l on mode)
J3 X-----X
When us I ng 27256 at U18
X--
-
-X When us i ng 275 1 2 at U 1 8 J 1 5 I nsta l I jLl11Per (remove
on l y for emu l at ion mode )
J4 X------X When us i ng 27256 at U15
X
---
X When us i ng 27512 at U15
J 1 6
I nsta I I jumper
J5 X--
-
-X When us i ng 27256 at U20
J 1 7
Remove when us i ng b l I
I
X--------X
When us i ng 27512 at U20 acceptor
J6 X X
When US i ng 27256 at U 1 8
&
U20 J18
Remove when us i ng bl I I
X-----X
When us i ng 27512 at U 1 8
&
U20
acceptor
Don ' t care
When us i ng p i ggyback PAL
J I g
Remove when us i ng b l I I
X--------X When us i ng 27256 at U 1 3IU 1 4 & acceptor
J7
I
U I 61U 1 7(w l de ) or when us ing
27256 at U 1 3 & U 1 6 (sk inny)
X--
-
X When
us i ng 2764 at U131U 1 4 &
U I 61U1 7(w i de ) or v.tlen us i ng
2764 at U 1 3 & U 1 6 (sk i nny )
X-
-
--X When us i ng 27256 at U1 4 & U 1 7
J8
(sk l my )
X--------X When us i ng 2764 at U 1 4 & U 1 7
(sk i nny )
NOTES : 1 . (W i de) denotes a W i de I C Package w i dth o f
.
600
"
center .
2 . (Sk i nny ) denotes a Sk i nny I C Package w i dth of . 300" center .
3 . 2764 I s equ i va l ent to 8K
X
8 .
4 . 27256 I s equ i va l ent t o 32K X 8 .
5 . 27512 I s equ i va l ent t o 64K X 8 .
3-98
FO-5 000- 1 ( Re v A )