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Allegro USB 3.0 4-Port PCIe
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Driver (2)
Firmware (0)
Manual (2)
FAQ (5)
IDArticle TitlePost Date
736 When I connect a drive to the Allegro USB 3.0 PCIe card, my Bluetooth mouse gets sluggish or stops working.Mar-27-18
756 Do the Sonnet USB 2.0 or USB 3.0 cards support the Apple SuperDrive?May-27-15
759 When connected to the Allegro Pro USB 3.0 PCIe, Allegro USB 3.0 4-Port PCIe, Tango 3.0 PCIe, or Tempo Duo PCIe card, my bus-powered USB 2.0 or 3.0 drive or SSD will not reliably mount or transfer data.Jun-24-15
817 USB storage connected to a PCIe USB 2.0, 3.0, 3.1 card (or combo card) gives an macOS error message upon wake from sleep.Dec-02-17
To minimize power usage during sleep, power is removed from PCIe cards. Because of this power-saving specification, a USB 2.0, 3.0, or 3.1 PCIe card is unable to maintain USB port power during sleep. In macOS, this result in a storage device disconnect upon wake from sleep. The storage device will automatically remount, but the system reports a disconnect message. Because macOS flushes all caches before sleeping, this disconnect should never result in any loss of data.
971 One or more of my ports has stopped working on my USB 3.0 card.Nov-19-17
The USB 3.0 4-port and USB 3.0 4-port Pro cards have resettable fuses to protect the ports from an overcurrent condition. To reset the fuses, you must remove power to the card by shutting down your machine. (Restarting is not sufficient.) After turning the computer back on, the ports should start working again. If the fuses continue to trip, the you may have a device that draws too much USB Bus power (more than 2 Amps).

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