Table of Contents
Advertisement
1-4
1.3 Input/ouput specification
External keyboard connector (4):
Pin
Description
Data
Ne
Ground
+5V DC
Clock
Ne
OrNpRwonN>
Mouse connector (5):
Pin
Description
Data
Nc
Ground
+5V DC
Clock
Ne
earons
Video connector (8):
Pin
Description
1.
Red
2.
Green
3.
Blue
4.
Ne
5.
Analogue ground
6.
Analogue ground
7.
Analogue ground
8.
Analogue ground
9.
Ne
10.
Analogue ground
11.
Nc
12.
Ne
13.
Horizontal sync.
14.
Vertical sync.
15.
Ne
External! diskdrive connector (11):
a
in
Description
Ground
Index*
Track 0*
Write Protect*
Read Data*
Disk Change*
+5V DC
+5V DC
+5V DC
10.
Drive Select*
11.
Motor On*
12.
Write Data*
13.
Write Enable*
14.
Reduce Write Curr.*
ON
PAPwONM
so
15.
Head Select*
16.
Direction"
17.
Step*
18-25
GND
CS 55 795
DATA
VIDEO
CONNECTOR
CLOCK
GND
MDA.0!669
T19/019
MDA.02668
719/019
Advertisement
Table of Contents
