MSI MEGA651 PC Instruction Manual download pdf (Page 30)

2-10

Chapter 2

The mainboard provides one standard RJ-45 jack for connection to Local

Area Network (LAN). You can connect a network cable to the LAN jack.

Pin Definition

PIN SIGNAL DESCRIPTION

1 TDP Transmit Differential Pair

2 TDN Transmit Differential Pair

3 RDP Receive Differential Pair

4 NC Not Used

5 NC Not Used

6 RDN Receive Differential Pair

7 NC Not Used

8 NC Not Used

RJ45 LAN Jack

USB Ports

The mainboard provides a UHCI (Universal Host Controller Interface) Uni-

versal Serial Bus root for attaching USB devices such as keyboard, mouse or

other USB-compatible devices. You can plug the USB device directly into the

connector.

OPTICAL SPDIF-out

The OPTICAL connector allows you to play the audio file of SPDIF interface.

See p. 2-7 for more information.

USB Ports

1 2 3 4

5 6 7 8

PIN SIGNAL DESCRIPTION

1 VCC +5V

2 -Data 0 Negative Data Channel 0

3 +Data 0 Positive Data Channel 0

4 GND Ground

5 VCC +5V

6 -Data 1 Negative Data Channel 1

7 +Data 1 Positive Data Channel 1

8 GND Ground

USB Port Description

1 2 ... 25 26 27 28 29 30 31 32 33 34 35 ... 74 75

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MSI MEGA651 PC Instruction Manual Page 30