AMI Baby Voyager User's Guide
11
Step 1 Set Switch and Jumper Options,
Continued
J 6 S e r i a l P o r t 2 I R Q S e l e c t
J 6 S e r i a l P o r t 2 I R Q S e l e c t
J6 is a 3-pin single-inline berg. Short pins 2-3 to select IRQ3 for serial
port 2 (this the default setting). Short pins 1-2 to select IRQ4 for serial
port 2.
J 1 8 P a r a l l e l P o r t I R Q S e l e c t
J 1 8 P a r a l l e l P o r t I R Q S e l e c t
J18 is a 3-pin single-inline berg. Short pins 1-2 to select IRQ5 for the
parallel port. Short pins 2-3 to select IRQ7 for the parallel port (this is
the default value).
J 3 5 E n a b l e B u r s t M o d e
J 3 5 E n a b l e B u r s t M o d e
J35 is factory hardwired to enable burst mode.
J 1 9 B u r s t A d d r e s s 2
J 1 9 B u r s t A d d r e s s 2
J19 is factory hardwired to pins 2 and 3.
J 2 0 B u r s t A d d r e s s 3
J 2 0 B u r s t A d d r e s s 3
J20 is factory hardwired to pins 2 and 3.
J 2 8 B u s C l o c k S e l e c t
J 2 8 B u s C l o c k S e l e c t
J28 is factory hardwired to pins 2 and 3 to select an I/O bus speed of 8
MHz.
J 4 0 R O M A c c e s s 0 W a i t S t a t e
J 4 0 R O M A c c e s s 0 W a i t S t a t e
J40 is a 2-pin single-inline berg. This jumper is factory-set with pins 1
and 2 jumpered to select 0 wait states for ROM access.
Summary of Contents for 39 Series
Page 6: ...Preface vi ...
Page 12: ...Chapter 1 Introduction 6 ...
Page 14: ...Chapter 2 Installation 8 Baby Voyager Layout ...
Page 26: ...Chapter 2 Installation 20 ...