Mega STe power supply connector pinout needed

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spiny
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Mega STe power supply connector pinout needed

Postby spiny » Thu Aug 16, 2018 9:53 pm

Hi All,

I was given an Mega STe today :)

but .... it's literally just the board:

megaste.jpg


So I plan on using an ATX / PICO PSU to check if it works ok, but I have searched and searched and searched and I cannot find a pinout of the motherboard PSU connector, does anyone have a list of which pin is which ?

The board seems complete, apart from the TOS ROMS and ASCI card, so i'm hoping I can build it up to be a working machine :)
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Wayne123
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Re: Mega STe power supply connector pinout needed

Postby Wayne123 » Thu Aug 16, 2018 10:07 pm

This thread shows the wire colors to hook up a Pico power supply viewtopic.php?f=15&t=30904&p=308030&hilit=PicoPSU#p309052 I used this adapter cable from Ebay on mine.
https://www.ebay.com/itm/ATX-20-PIN-to- ... SwBP9UW9d3
1040 STF, Mega STE 2, UltraSatan,HXC Floppy emulator, MiST, FPGA Arcade, plus Amigas, NeXT and some PPC Macs.

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Re: Mega STe power supply connector pinout needed

Postby spiny » Thu Aug 16, 2018 10:25 pm

Wayne123 wrote:This thread shows the wire colors to hook up a Pico power supply viewtopic.php?f=15&t=30904&p=308030&hilit=PicoPSU#p309052 I used this adapter cable from Ebay on mine.
https://www.ebay.com/itm/ATX-20-PIN-to- ... SwBP9UW9d3



I need the pinout for the connector on the motherboard as I have no PSU at all, so no colour reference.

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Re: Mega STe power supply connector pinout needed

Postby Wayne123 » Thu Aug 16, 2018 10:43 pm

That is why I posted a link to the Ebay adapter cable, very simple to use and work well with my Mega STE, the P8 and P9 connectors plug right in to the power connector on the motherboard and it is very cheap. Maybe someone else can help with the pinout though.
1040 STF, Mega STE 2, UltraSatan,HXC Floppy emulator, MiST, FPGA Arcade, plus Amigas, NeXT and some PPC Macs.

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troed
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Re: Mega STe power supply connector pinout needed

Postby troed » Thu Aug 16, 2018 10:45 pm


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Re: Mega STe power supply connector pinout needed

Postby spiny » Fri Aug 17, 2018 6:38 am

troed wrote:http://dev-docs.exxoshost.co.uk/PSM_5341_MegaSTE-TT030_PSU.pdf



cheers, I saw that last night but somehow missed the 'connector C' part

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Re: Mega STe power supply connector pinout needed

Postby spiny » Fri Aug 17, 2018 6:39 am

Wayne123 wrote:That is why I posted a link to the Ebay adapter cable, very simple to use and work well with my Mega STE, the P8 and P9 connectors plug right in to the power connector on the motherboard and it is very cheap. Maybe someone else can help with the pinout though.


thanks, but I'd rather have the pinout as I'm happy to make my own cable :)


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