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The TF330 is here

68030 + SDRAM + IDE

Moderators: terriblefire, Terriblefire Moderator

terriblefire
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Re: The TF330 is here

Post by terriblefire »

So todays progress... wifi working .. i can get 1.9Kb/s download... woooooo!

But more importantly i can get onto Aminet and I can run WookieChat.. #Amiga-IE on Freenode being my destination.

I did some measurements... I have missed 2 wires from the edge connector to my CPLD.. EXP_BR and EXP_BG.. Akiko does some DMA cycles where it asks the CPU to STFU.. and I dont handle this... So i think thats why the drive doesnt work. A rev2 will be needed.
———
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indicates how much hurting you shall receive."
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Re: The TF330 is here

Post by alenppc »

I guess I will use my TF530 to test which cpu will run at 50 mhz.

EDIT: just plugged in a 33 mhz and it runs at 50 no issues. Yet I couldn't get a 25 to run at 33. Go figure. The luck of the draw I guess.
EDIT2: nvm, it crashed after 10 mins :)
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Re: The TF330 is here

Post by terriblefire »

I used a 33Mhz Plastic for my 24 hrs soak test. Perhaps more likely to work in the TF330 with its clock switching to 14Mhz.... gives the CPU a break here and there maybe?
———
"It is not necessarily a supply voltage at no load, but the amount of current it can provide when touched that
indicates how much hurting you shall receive."
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Re: The TF330 is here

Post by wairnair »

Thanks for the great work Stephen and everyone else on the project.

I was wondering what performance we can expect from the TF330. I remember to have seen something around the lower 6000's "dhrystones" in sysinfo. While it's a considerable boost obviously, it's still a bit behind what 030 boards can do afaik (8-9000k). Is it due to "safe mode" that I think was mentioned, or perhaps the 50 - 14 cycling? Do you think the final rev can improve on this?

I'm getting one anyway, just curious. Please keep up the awesome work. :)
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Re: The TF330 is here

Post by terriblefire »

Currently getting 6813 Dhrystones with the ram in dumb
Safe mode. Expecting 9000 once burst mode is enabled

The 14/50 cycling makes no difference as the cpu would be in wait states either way. It just makes transitions more reliable.

I’ve not worked on performance because I had a demo with the board today. It ran for hours without a single crash.
———
"It is not necessarily a supply voltage at no load, but the amount of current it can provide when touched that
indicates how much hurting you shall receive."
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Re: The TF330 is here

Post by terriblefire »

Current benchmarks.. no burst mode yet...
bench.JPG
bench.JPG (62.64 KiB) Viewed 4466 times
———
"It is not necessarily a supply voltage at no load, but the amount of current it can provide when touched that
indicates how much hurting you shall receive."
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Re: The TF330 is here

Post by wairnair »

That looks very promising. Thanks for the info and grat for the flawless demo.
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Re: The TF330 is here

Post by terriblefire »

Aw man.. i just blew up the CPLD... i think 12V went through it :(
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8 Bit Dreams
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Re: The TF330 is here

Post by 8 Bit Dreams »

terriblefire wrote: Sun Dec 09, 2018 9:28 pm Aw man.. i just blew up the CPLD... i think 12V went through it :(
Aww...What's happened? You was trying to add flywires from riser? Yeah, same is on A2000 CPU Slot - all voltages present, so need to be really careful...
Hopefully Your new CD32 isn't damaged...
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Re: The TF330 is here

Post by exxos »

terriblefire wrote: Sun Dec 09, 2018 9:28 pm Aw man.. i just blew up the CPLD... i think 12V went through it :(
Dang it, did I miss the fire again ?? :cry: :cry:
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