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PS/2 - USB Connections
12-19-2019, 04:42 AM (This post was last modified: 12-19-2019 11:13 PM by wvisser.)
Post: #1
PS/2 - USB Connections

PS/2 keyboards and mice can be wired into the USB1/2 ports on the FleaFPGA-Ohm. What's the correct way to wire that up? Is it possible to simply use a PS/2 to USB adapter. I thought I'd ask before inadvertently frying something! Thanks for any help.

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12-30-2019, 01:50 PM (This post was last modified: 12-30-2019 01:56 PM by Fleasystems.)
Post: #2
RE: PS/2 - USB Connections
Thanks for your question.

While you can use a passive USB to PS/2 adapter with FleaFPGA Ohm, please be aware however that not all PS/2 to USB passive adapters have exactly the same pinout! Please find attached the expected wiring diagram of a suitable adapter.

For the record, I bought my adapter from an local electronics store here in Australia: (pictured in white moulded casing, but scored black ones instead...).

Anyway, I don't think the case color helps much, only thing that helps is to double-check the wiring against a known good diagram.

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