K8T890-A9 user's manual
Page 16
... Connectors The motherboard has a PCI to connect additional USB cable on the PC front panel, and also can be connected with transfer rate of 1.5Gb/s. K8T890-A9 JATXPWR2: ATX Power Source Connector By connecting this connector, it will provide +12V to CPU power circuit. 4 3 Pin Assignment 1 2 1 +12V 2 +12V 3 Ground 4 Ground JUSB1/JUSB2...: Headers for USB 2.0 Ports at Front Panel This header allows user to SATA Controller with 2 channels SATA interface, it satisfies the SATA 1.0 spec and with internal USB devices, like USB card reader.
... Connectors The motherboard has a PCI to connect additional USB cable on the PC front panel, and also can be connected with transfer rate of 1.5Gb/s. K8T890-A9 JATXPWR2: ATX Power Source Connector By connecting this connector, it will provide +12V to CPU power circuit. 4 3 Pin Assignment 1 2 1 +12V 2 +12V 3 Ground 4 Ground JUSB1/JUSB2...: Headers for USB 2.0 Ports at Front Panel This header allows user to SATA Controller with 2 channels SATA interface, it satisfies the SATA 1.0 spec and with internal USB devices, like USB card reader.