The Variants of Sega Genesis Model 1! "HIGH DEFINITION GRAPHICS" RED LOGO WHITE LOGO?

[Oldskool]

Does it really matter is the YM chip is swappable or not? I mean, isn't it the same chip regardless? Why would one want to remove it anyways? And what do you mean by swappable? Aren't all IC Chips swappable? Do you have pics of the differences?

[arcadecup]

Fccid: Fj846eusasega is what im getting..
ill report what comes of it.. should be a young run board.

[Oldskool]

"Sound circuitry/sound quality: The High Definition Graphics Genesis Model 1 uses 2 separate sound circuits for Mono and Stereo sound. Those circuits filter the sound a little, producing very high bass. The quality of the sound output is phenomenal."

So like I was saying, if you want good sound either of the Genesis 1 HD models should be fine.

[Gameguy]

Fccid: Fj846eusasega is what im getting..
ill report what comes of it.. should be a young run board.

That's the good one, the early version. The system should be fine.

[Greg2600]

Isn't a simpler tell whether the model 1 has the serial port in the back?

[tomaitheous]

Does it really matter is the YM chip is swappable or not? I mean, isn't it the same chip regardless? Why would one want to remove it anyways? And what do you mean by swappable? Aren't all IC Chips swappable? Do you have pics of the differences?

One has the 'real' YM2612 chip on it. It's a separate chip like almost all Yamaha synth chips of that time. The versions have the chip included inside an ASIC. There are known differences between the two. But the biggest difference is that the boards with the separate 2612 chip have better stock audio amp and mixing circuit. That's the biggest difference. Anyway, you're the one that brought it up. (And I removed it to use it for a home made project - non genesis related) Also, are you confusing what I said about swapping the board for repair, with swapping the IC?