TF1230 Beta Interest (Open Source)

68030 + SDRAM + IDE

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Re: TF1230 Beta Interest (Open Source)

Post by Danoo » Wed Aug 04, 2021 12:12 am

Could also build a few, if time allows and the parts are available, will be sending an order to JLC in the next couple of weeks so will add these gerbers in as well :)
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Re: TF1230 Beta Interest (Open Source)

Post by Aeberbach » Wed Aug 04, 2021 12:35 am

I will get parts together and build one, would like to be on the beta list.

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Re: TF1230 Beta Interest (Open Source)

Post by kulamario » Wed Aug 04, 2021 3:32 am

I have question
This memory be ok for this card? ... M16SB-7TCN
because understand this card have 128mb ram so we cant use same memory like in TF330

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Re: TF1230 Beta Interest (Open Source)

Post by terriblefire » Wed Aug 04, 2021 9:30 am

The memories are the same as the TF536. I've not tried 128Mb on it yet. For beta testing i would stick to same ram as the 330/536.
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Re: TF1230 Beta Interest (Open Source)

Post by sampedenawa » Wed Aug 04, 2021 10:15 am

Would be glad to be in the beta; I have almost all the needed parts, but I surely need a couple of connectors: would anyone point me to where I can get them ? (Or sell me a couple at a reasonable price ?)

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Re: TF1230 Beta Interest (Open Source)

Post by GadgetUK164 » Wed Aug 04, 2021 10:34 am

Happy to join the beta! =D

Sorry to hear about the mis-communication regards the other 030 project for the 1200. I am sure edu wasn't trying to p*** you off, it's just one of those things =/
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Re: TF1230 Beta Interest (Open Source)

Post by Glen M » Wed Aug 04, 2021 12:09 pm

I'd certainly be interested in helping any way I could although I'd probably need some help sourcing parts.

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Re: TF1230 Beta Interest (Open Source)

Post by arkadiusz.makarenko » Wed Aug 04, 2021 12:29 pm

Christmas in August? Weird! :D
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Re: TF1230 Beta Interest (Open Source)

Post by go0se » Wed Aug 04, 2021 1:42 pm

A word of caution to any neophytes ordering these with partial assembly from JLCPCB. Do not just accept the suggested components without checking, in many cases they will be incorrect. X7R caps won't be selected by default in most cases and the suggested LM1117 regulator will currently be the wrong voltage as they are out of stock of the correct 3.3V.

The BOM also suggests a 50nf cap for C63, this should be substituted for 47nf as 50nf is not a standard size.

CAY16-103J4LF is a 1206 10k ohm resistor network not available from JLCPCB, select an alternative.

Make sure you check everything before ordering.

I will be ordering 30 partly assembled boards (- regulator and oscillator ) and will have 27 spare available for cost price + UK postage to anyone here that wants one. I will add the correct oscillator and regulator before sending them out.

The board cost with assembly looks to be work out a just under £7 each + £2.46 UK only tracked postage ( subject to slight change depending on how much additional cost I get stung for at delivery, although it says it is already accounted for). I will update the thread here when I receive the boards.

I will post to UK only, not because I'm a jingoist, but because recently when sending outside the UK it is a massive pain. I'd rather just throw the cards into the bin, flush the cost of postage down the toilet and save us both any hassle.

I also have the correct 150 position connectors that I will make available here to save you being robbed elsewhere.

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Re: TF1230 Beta Interest (Open Source)

Post by chucky » Wed Aug 04, 2021 2:04 pm

Just a friednly reminder: I have tested the 1230 . on reamigas it seems to work fine. on original it have been very random.
I GUESS (not checked. just a guess) that it is needed to do the "timing fix" as this is done on all reamigas.

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