Octek FOX-II, User Manual

Page: 50 / 84

TECHNICAL INFORMATION
SYSTEM EXPANSION BUS
F O X - I I p ro v i d e s s i x e x p a n s i o n s l o t s, f o u r o f
w h i c h are 1 6 -b i t an d t w o a r e 8 -b i t e x pan s i o n s l o t .
T h e 1/ 0 c h a n n e l s u p p or t s :
*
1 / 0 ad d r e s s s pac e from h e x 1 0 0 t o h e x 3 F F
*
S e l e c t i o n o f d a t a a c c e s s ( e i t h e r 8 or 1 6 b i t )
*
24 b i t m e m or y a d d re s s e s ( 1 6 M B )
*
I n t erru p t s
*
D M A c h an n e l s
*
M e m or y r e f re s h s i g n a l
4-12
0
•
INSTALLING COMPONENTS
P
2
-
Speaker Connector
P i n
A s s i g n m e n t
1 Da t a o u t
2 +5 V d c
3 Gro u n d
4 +5 V d c
P 3
-
Turbo Switch Connector
P i n A s s i g n m e n t
1 S e l ec t i on P i n
2 G r o u n d
P 4
-
Turbo LED Connector
P i n A s s i g n m e n t
1 + 5 V d c
2 L E D s i g n a l
3-13