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PRO Questions

Started by emerald danjon, February 08, 2015, 12:51:58 AM

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emerald danjon

Hi all,
are PRO more fast than XVI in initialization?,
my XVI is really SLOW compared with the PRO...,the RAM can change something in this sense,the PRO have 6MB and the XVI 2MB.
https://www.youtube.com/watch?v=pmIWj0SD0TA&feature=youtu.be
Greetings.

costa

Quote from: gillianx68000 on February 08, 2015, 12:51:58 AM
Hi all,
are PRO more fast than XVI in initialization?,
my XVI is really SLOW compared with the PRO...,the RAM can change something in this sense,the PRO have 6MB and the XVI 2MB.
https://www.youtube.com/watch?v=pmIWj0SD0TA&feature=youtu.be
Greetings.

I can probably verify that if you think there is a problem.
Your XVI might be checking for SCSI devices on boot, and that will delay the actual startup.

You can also try again, booting both with OPT1 pressed, and see if it gives you a different outcome?

emerald danjon

Oh! thanks for the explanation,could be that.
i try tomorrow and i tell you... :D, i dont know why exactly,
but i like more PRO than the others models,maybe because is easy to Open,or the 4 I/O ports...,
i m in love with this PRO  ;D,
Greetings.

famiac

Having 4 I/O ports is super nice. Hopefully i'll own a pro one day.

This reminds me, could you post the tutorial for your pro overclock modification? (Pcb photo + other details/changes to motherboard)

emerald danjon

#4
I am not the author of the Overclock... :-\,
but i have some Photos ,when the ATX PSU was stop to work, and i was replaced,i  take some Photos.
sadly i not dare to dismount the machine for see details,
the wires RED and Black go to the Swicht... for change 10Mhz/15.1Mhz,and other RED/BLACK wires goto this close Chip,you can see the RED one,the Black go to the last Leg of the Chip in the opposite side:


this is the ATX PSU mod you know...

this is all that the machine has changed, nothing more.
Greetings.
Edit:here you can see the other part of the chip...where the black cable goes...:
http://d.hatena.ne.jp/logkeeper/20110410/1302417865
i find this photo looking for "x68000 オーバークロック"

famiac

Thanks! I don't think that's enough info to generate a diagram, since i can't read the IC names and i don't have the backside of that copper PCB. If you ever open it again, try to make note of the IC names

In the meantime, i will make a diagram for the Expert overclock mod.

emerald danjon

Looking for Overclock Diagrams "オーバークロック ダイアグラム オーバークロック"
Looks like some hard stuff like how memory works...
http://arkouji.cocolog-nifty.com/blog/2015/01/galapagosx68000.html

this look more like the theme:
http://sabaiwashi.blog112.fc2.com/blog-category-37.html

x68000 clock:
http://x68.no-mania.com/Page/4/
More photos about Overclock:
http://sabaiwashi.blog112.fc2.com/category37-1.html
the info what you need is on the Net sure .