NEC 78K/0 Series User Manual page 42

APPENDIX C INTERFACE BOARD (IE-70000-98-IF-C) FOR PC-9800 SERIES
(2) Jumper settings
The INT JP and WAIT JP are C bus interrupt and WAIT selection jumpers.
In the IE-78K0-NS, set INT JP to NO USE, and WAIT JP to 1 and 2 shorted.
NO USE
IR3
IR5
IR6
IR9
IR11
IR12
IR13
(3) Installation in PC
Make sure that the PC is turned off, then install the interface board in the C bus slot following the instructions in
the PC's manual.
(4) Connecting with IE-78K0-NS
Using the supplied cable, connect the IE-78K0-NS to the CH0 side.
Caution Connection with the IE-78K0-NS is possible on the CH0 side only.
For connection with other models, refer to their respective manuals.
42
Figure C-1. INT JP, WAIT JP Settings
1 2
Shorted
INT JP
User's Manual U13731EJ3V0UM
1 2 3
WAIT JP
: Shorted