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Need help with the jumper setup of the ISA Super IO card

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First post, by zwrr

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Hello everyone,
I got several Super IO cards(Re: Bought these (retro) hardware today), one of them I can't find any information on the internet, there is only the string of CY-573-V1 on it, no other information, can anyone help me get the jumper setup instructions for it?

The attachment CY-573-V1_1.jpg is no longer available
The attachment CY-573-V1_2.jpg is no longer available

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Reply 1 of 1, by weedeewee

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just going by the ISA pinout & photos

JP5 clearly IRQ selection
position 8 is connected to IRQ7
position 7 is connected to IRQ5
position 6 is connected to IRQ5
position 5 is connected to
position 4 is connected to IRQ3
position 3 is connected to
position 2 is connected to IRQ5
position 1 is connected to IRQ4

I'd guess printer IRQ position 7 or 8, serial port A position 1 2 & 3, serial port B position 4 5 6

JP4 Just a guess
1 & 2 printer port enable/disable/portselection
3 &4 serial A enable/disable/portselection
5&6 serial B enable/disable/portselection
should be easy enough to test, boot the computer with the card in it from floppy or harddisk,
and run checkit or msd or a similar program that shows you which ports are available and at what location and run through the JP4 jumper possibilities.

Testing the IRQs is another matter.

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https://www.vogonswiki.com/index.php/Serial_port

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