CPU speeds

[ccovell]

Also would OCing something like a Genesis make all the games run faster, such that the audio is all weird too?

The Genesis can be overclocked up to ~10Mhz without any graphical or sound glitches, but the TG and NES have their sound devices in-CPU which is why their sound goes all weird when overclocked.

[Arkhan]

How does one go about overclocking one of these older systems like a Genesis or TG? I've been overclocking PCs ever since a viable BIOS in a system allowed it, and tend to also heatsink or watercool in some fashion everything in a PC. I've always wondered if heatsinking and cooling older systems would have any benefit at all.

Also would OCing something like a Genesis make all the games run faster, such that the audio is all weird too?

There's a pretty simple mod you can do to overclock the Genesis.  You basically just use a new oscillator and feed it into the CPU.   It's extremely simple to do, even if you're completely new to soldering/fiddling around.

I had to help someone fix their botched mod recently.   They wired it to the z80 instead of the 68000.   Whoops, lol.

I never saw the honest point to overclocking a console.   A computer (like an Amiga or Apple II or something), I can see it being useful, but I don't recall the list of Genesis games that really benefit from this mod being that large. 

[Black Tiger]

How does one go about overclocking one of these older systems like a Genesis or TG? I've been overclocking PCs ever since a viable BIOS in a system allowed it, and tend to also heatsink or watercool in some fashion everything in a PC. I've always wondered if heatsinking and cooling older systems would have any benefit at all.

Also would OCing something like a Genesis make all the games run faster, such that the audio is all weird too?

There's a pretty simple mod you can do to overclock the Genesis.  You basically just use a new oscillator and feed it into the CPU.   It's extremely simple to do, even if you're completely new to soldering/fiddling around.

I had to help someone fix their botched mod recently.   They wired it to the z80 instead of the 68000.   Whoops, lol.

I never saw the honest point to overclocking a console.   A computer (like an Amiga or Apple II or something), I can see it being useful, but I don't recall the list of Genesis games that really benefit from this mod being that large. 

http://www.sega-16.com/forum/showthread.php?22854-Annotated-list-of-compatible-games-for-overclocked-Genesis-Mega-Drive

[HercTNT]

Overclocking the genny has very tangible benefits as per the list that black tiger was kind enough to post. it does have its drawbacks though. 32x does not work well if at all with an overclocked genny. have heard it can cause problems with the cd addon as well at times. otherwise, it makes alot of games run much smoother without audio distortion. best way to do the mod is include a switch that allows changing between clock speeds incase some games do not play well.

[Black Tiger]

Its not worth doing to your main playing setup, but neat to fool around with overclocked games on a second system. Kinda like messing around in games using a game genie.

[Vecanti]

http://www.sega-16.com/forum/showthread.php?22854-Annotated-list-of-compatible-games-for-overclocked-Genesis-Mega-Drive

That list must be for the machines that don't have "Blast Processing" built in?

[HercTNT]

Its not worth doing to your main playing setup, but neat to fool around with overclocked games on a second system. Kinda like messing around in games using a game genie.

Agreed, i did this to a very beatup unit that i still use. My opinion the only reason to do this mod is if your gonna put in a switch. being overclocked all the time caused problems with some games. Its like my original gameboy. I have it overclocked on a switch. Native speed is 4.1, overclocked is 6mhz. Its way to much, i'm gonna replace the secondary clock crystal with a 4.5 one for a much milder overclock. just like the genny, there are a few games that benefit greatly from alittle more speed.