SoundGraph Hummin’ 3.03 Quick Manual page 8

9. Connect front USB cable
Connect the USB cable (USB 5 Pin) from the front I/O panel to the USB connection
header on the mainboard.
Please make sure that the orientation of the cable matches that of the USB
header. (Refer to Connection Guide for Hummin' 3.03 Internal Cables.)
10. Connect USB cable from card reader
Connect the USB cable (USB 5 Pin) from the card reader to the USB connection header
on the mainboard.
Please make sure that the orientation of the cable matches that of the USB
header. Wrong connection can cause serious damage to the card reader and
the mainboard. In general, USB pin array follows its standard as shown
below. However, it may be different depending on mainboard manufacturer.
Please check user guide for the mainboard before connection of the USB
cable.
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