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 tactsource. You should 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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ADDRESSES
For CD32 FAQ 2000 I removed all the old addresses from the FAQ. Most of these people aren't
answering the phones anymore, websites are down, email bounces. If you have a vendor still open for
CD32 business that hopefully has a valid website and email address, please pass it along. I'll be posting
all the known sites that I know of shortly.
Company Name/Link Description Location
Centsible Software
Software, Hardware, a little bit of everything! U.S.
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CONTRIBUTORS TO THE FAQ
The original CD32 FAQ Part 1 | Part 2
Last Maintainer: Stuart Tomlinson
Contributors listed in the original FAQ:
file:///C|/sites/amigaemulation/cd32/CD32FAQ/CD32_FAQ_2000.htm (38 of 39) [3/9/2000 1:55:14 PM]
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