Technical Note: TN001

@atari

Published in 

atari

 · 3 years ago

Date: 7 January 1986

Subject: 520ST RGB Output

Early models of the 520ST support separate VSYNC (pin 12) and HSYNC (pin 9) for RGB.

The Thomson colour monitor CM36382 AR requires a combined SYNC input on (pin 20 of the SCART connector). 520ST's manufactured after Nov 85 have been modified to provide combined SYNC on pin 2 of the DIN connector.

These modified 520ST's can be identified by their serial number, as it should start with a 4.

For full details of the above modifications, contact the supplier of your ST.

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