Installation
Section 1
System Board
Note:
Jumper J7 is a four position jumper. For
Overdrive,
and
there are two jump-
ers, one over pins
and 2 and the other covering pins
2
and 3.
If a 486SX processor is installed, only a
single jumper is used covering pins
2
and 3.
20-MHz
J28
OPEN
J26
OPEN
_ _
J6
l-2
J27
CLOSE
J29
OPEN
OPEN
J5
l-2
25-MHz
33-MHz
OPEN
OPEN
CLOSE
_ _ _
CLOSE
CLOSE
CLOSE
1-2
1-2
2-3
_ __
OPEN
OPEN
OPEN
_
CLOSE
CLOSE
CLOSE
CLOSE
OPEN
CLOSE
2-3
2-3
2-3
*
disable the Local Bus.
Copyrlght 1993
Version
l - 9
