X68000 Expert Overclock troubleshooting

[famiac]

My expert originally came with a DIY overclock installed. I originally removed it and rewired the cut traces. I recently decided to put it back into the pc, but i'm having some issues. The computer boots up fine in stock mode, but in overclock mode, i don't get a video signal output and soft power doesn't work properly.

Here are some pictures

http://i.imgur.com/rl7K7Is.png

http://i.imgur.com/w2t8O6i.png

http://i.imgur.com/WJgtkvy.png

http://i.imgur.com/yJ0xR2W.png

Edit: it works when my xellent30s is not installed

Edit 2: it stopped booting from HDD in overclock mode, making it essentially useless. I don't know what caused this sudden stop. If anyone knows, that'd be nice. I'll try troubleshooting in the coming weekend

[emerald danjon]

Curious how i have some issues too,
in my PRO overclocked to 15Mhz.
some photos,you can see is little different...:


when i use 15Mhz for example in Mahou daisakusen i get little Graphic errors,
but in others Programs like Sho ren ka works whitout problems  .
incomprehensible for me.
in your case is sure you forgot something...,
you have photos before the operation?,this can help you...

[famiac]

Yeah all those pictures were taken before i took the mod off and jumpered traces back. Maybe something is missing still. I can't find any guides on the web for overclocking. Is there info in magazines maybe?

[emerald danjon]

This is from ignorance...,maybe i say a huge nonsense,
sure no one Trace was cut for do  the Overclock?.
and when you Fix this trace...,
something goes Wrong?
Famiac is really hard find info about this Overclocks....,in Japanesse is possible...
x68000 オーバークロック
http://d.hatena.ne.jp/logkeeper/20110410/1302417865

http://x68000.blog1.fc2.com/blog-entry-455.html

http://pc-9821nr300.blogspot.com.es/2012/08/x68000xvi.html

[famiac]

I tried looking in japanese for x68000クロックアップ

But nothing like a guide of any sort came up

[emerald danjon]

Using """オーバークロック チュートリアル"""
Overclock tutorial,
http://ponrevival.blogspot.com.es/2009_01_01_archive.html

[RobIvy64]

^ Thats for the XVI

[X-Col]

Looks interesting,
So on the XVI, can we just pop out the 33.33mhz crystal and replace it with a 48mhz and get a 24mhz overclock with the switch, instead of the standard 16mhz?

[famiac]

Looks like you need a pcb with another component as well.

So... On topic: I remember when i tried clearing my SRAM with a program or with the debugger, i still got the error message.... How can i hard reset sram/why is this happening?

[emerald danjon]

Hello,
yes RobIvy 64 is for the XVI,i try find some resemblance or some hint...,looking all post i see with the word Overclock x68000,
if is hard find some with X68000 Overclock...,is near to imposible find only for "EXPERT" ,
for some reason the most Overclocked X68000 are the PROS,or this is what i understand on my researchers...,
and can someone tell me what is ¿REDZONE?.
and is possible change "in game" the Clock of the XVI with some modification?.
and is posible i want know things when i cant do that things cause i dont have the skills?.
who built the Egyptian pyramids?
edit:
i think you can reset the S-RAM with the C COMPILER PRO
http://gamesx.com/wiki/doku.php?id=x68000:sram_issues

[famiac]

Did that. Didn't work