NEC P-100
Not responsible for misuse. It is illegal for residents of the state of Pennsylvania to read this
Just in from england. I havent had time to check this out yet. (10/16/95)
You will need this program (MS-DOS).
N E C P4,P100 WIRING
1 2 3 4 5 6
----------------------- ----------------
(O) 1 X X 4 5 6 X X
----------------------- ----------------
7 8 9 X X X
P4 BASE ,KEYS DOWN P100 BASE ,KEYS UP
P4 P100
REF 1 1 7
REF 4 4 2
REF 5 5 9
REF 6 6 3
2 x 2N 3904 Tranistors (Looking at it flat side legs down!) 1 2 3
2 x IN Diodes
2 x 10k Resistor
Pin 1 ----------------------------------------------------------|-----|
1 |
Pin 2 -- Diode >|------------ Centre Leg Transistor One 0 |
K |
Pin 4 -- Diode >|------------ Centre Leg Transistor Two r |
e 1
Pin 12 --Leg 3 on Tranistor Two bridged on here -- REF 6 -------s 0
K
Pin 13 ------------------------------------------- REF 4 r
e
Pin 15 - Leg 3 on Tranistor One bridged on here - REF 5 -------------s
Pins 18 To 25 --- Leg 1 Of Trans One & Two ---- REF 1
N.B. you must bridge pins 18-25 with solder so they are as 1 ok!
BOTH RESISTORS MAY NOT BE NEEDED ON SOME COMPUTOR MODELS
REF 1 = 1 7
REF 4 = 4 2
REF 5 = 5 9
REF 6 = 6 3