Difference between revisions of "Sam Coupé"
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| Line 20: | Line 20: | ||
17 C VID EARTH 18 +12V POWER IN | 17 C VID EARTH 18 +12V POWER IN | ||
19 C VID OUT 20 BRIGHT TTL OUT | 19 C VID OUT 20 BRIGHT TTL OUT | ||
| − | 21 GND.</pre> | + | 21 GND.</pre> |
| + | |||
| + | == Modifications == | ||
| + | |||
| + | When using an RGB cable there is a lot of reflection on the picture, the fix is a to remove inductor L5 from the main board and replace it with a wire link. | ||
== [[XRGB-3]] Specific settings == | == [[XRGB-3]] Specific settings == | ||
Revision as of 08:01, 12 September 2018
The Sam Coupé is an 8-bit home computer originally released in 1989. Intended as a logical upgrade from the ZX Spectrum it has an RGB output making it potentially ideal for use with the XRGB or OSSC upscalers.
Contents
Models
There was only a single revision board produced
Important Notes
The SCART socket on the back of the SAM Coupé has a non-standard pin-out as it also has +5V and +12V inputs, TTL level ouput and a lightpen connection.
PIN SIGNAL PIN SIGNAL 1 AUDIO OUT RH 2 SPEN 3 AUDIO OUT LH 4 AUDIO EARTH 5 BLUE EARTH 6 BLUE TTL OUT 7 BLUE LIN. OUT 8 RED TTL OUT 9 GREEN EARTH 10 GREEN TTL OUT 11 GREEN LIN. OUT 12 +5V POWER IN 13 RED EARTH 14 CSYNC EARTH 15 RED LIN. OUT 16 CSYNC 17 C VID EARTH 18 +12V POWER IN 19 C VID OUT 20 BRIGHT TTL OUT 21 GND.
Modifications
When using an RGB cable there is a lot of reflection on the picture, the fix is a to remove inductor L5 from the main board and replace it with a wire link.
XRGB-3 Specific settings
Not tested.
XRGB-Mini Specific settings
Not tested.
OSSC Specific settings
No changes from default settings.
External Links
[1] World of SAM software archive and community forum
