Article ID: 000086549 Content Type: Troubleshooting Last Reviewed: 07/22/2013

Why can't I edit or upgrade my ALTDDIO megafunctions?

Environment

    Quartus® II Subscription Edition
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Description Due to a problem in the Quartus® II software version 13.0, you may be unable to edit or upgrade ALTDDIO_IN, ALTDDIO_OUT, or ALTDDIO_BIDIR megafunctions on 32-bit Linux systems. Specifically, you may be unable to open an existing megafunction for editing in the MegaWizard™ Plug-In Manager, or may experience failures when using the Upgrade IP Components feature.
Resolution To work around this problem, use the Quartus II software on Windows or 64-bit Linux operating systems to edit or upgrade existing ALTDDIO_IN, ALTDDIO_OUT, or ALTDDIO_BIDIR megafunctions.

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