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Commodore A500 Benutzerhandbuch Seite 15

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Test#IO
- "SEL"
and
"CD"
Test
#1
1
-
"SEL" is input, "CD"
is
output
Test
#20
-
Resets
LOW
test
Test #2
1 -
Disk
Port
Test
#22 -
Modem Port
Test
#23 - Resets
HIGH
Test
Test
#24- Disk
Port
Test #25
- Modem
Port
Test
#26
-
SET
JoyStick Fire
Lines
Test
#27
-
Check
Fire Lines
as
Outputs
Test
#28
- Fire
I
Test
#29
-
Fire 0
Test
#2A-
Check Fire
Lines as inputs
Test
#2A-
Fire
0
low,
Fire
I
low
Test
#2
8
-
Fire 0
high,
Fire I
low
Test
#2C-
Fire 0
low,
Fire I
high
Test
#20-
Fire
0
high,
Fire
I high
Test
#2F- Check for
Cable
of
Internal
Disk
Test
#30
-
+5V
Keyboard
Test
#3
1
-
+5V
Serial
Port
Test
#32 -
+5V JoyStick
I
Port
Test
#33
-
+5 V
JoyStick 0 Port
Test #34
-
+5
V Disk Port
Test
#35
-
Keyboard
Test
#36 -
Internal
Disk
Ground
Test
#37
-
External
Disk
Test
#38
-
Se
rial
Port
(pin
7)
Test
#39 -
Serial
Port
(pin
I)
Test
#3A
-
Joystick
I
Test
#38
- Joystick
0
Test
#3C
- External
Disk
+
12V
Test #47
- Joystick Lines
11
Test der
Handshake·Leitungen des
Par.·Ports
Test
der Reset
Signale
an den
Ports
Test
der Joystick Ports
Test +5V
Test
der Masseverbindungen
an den
Ports
Test
+12V Ext.
Disk
Test
der
Joystick
Ports

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Diese Anleitung auch für:

A2000

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