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53 Pinouts |
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Articles / TULARC / PC info / Amiga / Amiga CD32 / | |
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53 Pinouts |
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This article is from the Amiga CD32 FAQ, by Stuart Tomlinson with numerous contributions by others.
CD32 Aux port... View straight on. 6 pin mini-din.
Female type. Combined kboard/serial.
1 I / O Keyboard data _ _
2 O Serial transmit .' V `.
3 Ground / 6 5 \
4 +5V DC | 4 O 3 |
5 (I)/ O Keyboard clock `-. 2 1 .-'
6 I Serial receive `-----' Shield
Written by Klaus Hegemann, posted as part of 'CD32 expansion port
info' by Anders Stenkvist in comp.sys.amiga.hardware, forwarded by
Michael King.
If you wire up a keyboard and get characters constantly appearing on
the screen then you've wired up the keyboard clock and data pins the
wrong way around.
There are no RTS/CTS pins for high speed modems.
The serial pins are at 0/5V, if the computer you're connecting it to
has a different voltage (eg. the Amiga serial port's pins are at
+/-12V) then you need a level converter between the two.
The serial pins may not be properly buffered to use safely with some
external devices. You could damage your CD32 if you try to hook them
up without an external buffer. A diagram of a buffer is given in the
posting mentioned above.
CD32 combined SCART/RGB port (only on French CD32s)...
Well, first you must make sure that you really have the 8-pin version
of that S-Video connector (mini-DIN), this is only existant on the
French version of the CD32. Now if that's ok, then here is the
pinout:
1=Red, 2=Blue, 3=Audio (L or R, don't know), 4=Green, 5=Audio (L or
R), 6=Luminance, 7=CSync, 8=Chroma
Taken from an Email by Peter Kittel, forwarded by Olivier Cremel.
CDTV keyboard connector...
1 Ground
2 I / O Keyboard data
3 (I)/ O Keyboard clock
4 +5V DC
5 Unused
To modify the CDTV keyboard to connect to the CD32...
Cut the plastic pin from the connector.
Open the case.
Find the connector where the cable is located.
Switch leads 1-4 and 2-3.
Close the case.
Taken from a posting by Paul van der Heu.
A500 keyboard connector... * = link
1 black Keyboard clock --------
2 brown Keyboard data A500 keyboard cable ---> 12345678
3 red Res --------
4 orange +5V DC ||||||||
5 yellow Unused 5 --------------*| | |
6 green Ground 1 ---------------* | |
7 blue Power LED 4 -----------------* |
8 violet Disk LED 3 -------------------*
||||||||
Connect like this... --------
A500 motherboard connector ---> 12345678
A500 CD32 --------
1 5
2 1
4 4
6 3
Taken from an Email by Kimmo Veijalainen.
A1000 keyboard connector...
1 +5V DC Viewed looking straight on into
2 (I)/ O Keyboard clock socket. RJ11 connector. Female.
3 I / O Keyboard data _
4 Ground _| |_
__| |__
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|__|_|_|_|__|
1 2 3 4
Usual stuff: I'm not responsible for blowing up Ami, etc; use at own
risk, etc, etc. Having said this, it did work for me. :)
Ref's used: Amiga Hardware Reference Manual (A1000) & the good ol'
CD32-FAQ.
Taken from an Email by Chris Naylor.
CD32 power port... View straight on. 4 pin din.
_ _
1 +5V .' V `.
2 +12V |1 2|
3 Ground `.3 4.'
4 Unknown `---' Shield
Put a ground jumper from pin 3 to the shield.
You can modify another Amiga power supply (eg. A500) for this by
replacing the connector at the end of the lead.
Taken from a posting by Michael Litchfield.
CD32 RGB signals...
The RGB signals are available from a test port, TP9...
| | | <--- Kickstart ROM .-. Desc Equiv pin #s
| | | |o|
| | | |o|
| `--' .----. <--- Akiko |o|
| | | |o| HSync 159
| | | : <--- TP9 |o| VSync 160
| `----' : |o| Red 163 and 164
| .. :O.--. |o| Green 165 and 166
`-------'`----------' | |o| Blue 167 and 168
^ ^ `------- |o| CSync 157
| | |o| Ground 161 and 162
Expansion port Pin 182 `-'
The RGB signals come from the D/A conversion unit and lead directly
to the expansion port. These signals are, however, not amplified. In
addition they are weakened by the S-Video output unit.
As a result I (aim to) insert a 47 Ohm resistor to each colour signal
connection. You may also reduce the load by interrupting the signal
supply to the S-Video unit. Set pin 174 of the expansion port to GND
to achieve that (174 --> u36 (4066) signal switches).
The sync signals connected to the expansion port are unbuffered. As
a result you may re-synchronize your Amiga by an external tact
source. You schould at least buffer the CSync line; there is no
external synchronisation possible on this pin.
Hint: make use of an XOR gate chip. You may negate certain sync
line(s) to adapt your Amiga to (old? :-( ) multiscan-monitors (the
A4000 monitor adapter box will do the same; without the possibility
of selected negation).
Written by Klaus Hegemann, posted as part of 'CD32 expansion port
info' by Anders Stenkvist in comp.sys.amiga.hardware, forwarded by
Michael King.
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