MSI 745 ULTRA User Guide - Page 26
Keyboard Connector: JKBMS1, USB Connectors
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Chapter 2 Keyboard Connector: JKBMS1 The mainboard provides a standard PS/2® keyboard mini DIN connector for attaching a PS/2® keyboard. You can plug a PS/2® keyboard directly into this connector. 6 5 4 3 2 1 PS/2 Keyboard (6-pin Female) Pin Definition PIN SIGNAL DESCRIPTION 1 Keyboard DATA Keyboard DATA 2 NC No connection 3 GND Ground 4 VCC +5V 5 Keyboard Clock Keyboard clock 6 NC No connection USB Connectors The mainboard provides a UHCI (Universal Host Controller Interface) Universal Serial Bus root for attaching USB devices such as keyboard, mouse or other USB-compatible devices. You can plug the USB device directly into ths connector. 1 2 3 4 5 6 7 8 USB Ports USB Port Description PIN SIGNAL 1 VCC 2 -Data 0 3 +Data0 4 GND 5 VCC 6 -Data 1 7 +Data 1 8 GND DESCRIPTION +5V Negative Data Channel 0 Positive Data Channel 0 Ground +5V Negative Data Channel 1 Positive Data Channel 1 Ground 2-8