Nintendo Super NES 1CHIP Optimal OSSC Timing:


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Input Cable: RGBS SCART Cable

OSSC Firmware = 0.81a (use 0.81 if you don't have audio version of OSSC)

Hardware: Super NES 1CHIP-03 with csync restored and brightness attenuated


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Note: Although these settings are based on my 1CHIP Super NES, the only values that may or may not differ from other Super NES hardware are the following:

1. Sampling phase (this always will be restricted to a case-by-case basis).

2. Advanced timing for 256x224's H. backporch.

3. Advanced timing for 256x224's V. backporch.

Everything else should be universal.


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Video in proc  >

Video LPF = 9MHz (SDTV)


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Sync opt.  >

Analog sync LPF = 2.5MHz (max)

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Output opt.  >

240p/288p proc = Whatever linex mode you prefer.

LineXx mode = 256x240 optim.

If you scroll down to "256x240 aspect", you can choose between 8:7 (square pixels), or 4:3 which technically isn't accurate to 4:3, but you might prefer it anyway over square pixels. 


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Sampling opt.  >

<Adv. timing  > 256x240:

H. samplerate = 341
H. synclen = 25
H. backporch = 38
H. active = 256

V. synclen = 3
V. backporch = 15
V. active = 240


Back out to "Sampling phase" and adjust until all pixels are sharp with the least amount of color bleed and aliasing. Mine looked perfect at 247 degrees.


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Post-proc.  >

Vertical mask = 8 pixels (not needed if you're running line5X in 1920x1080 output mode on the OSSC)


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