SUPER MICRO Computer 2042G-6RF Universal Serial Bus Ports, USB Headers, Fan Headers, Serial Ports

A+ SERVER 2042G-TRF/6RF User's Manual

Universal Serial Bus Ports

Two Universal Serial Bus ports (USB 2.0) are located beside the Keyboard and Mouse PS2 ports. One additional Type A port (USB6) is also included on the motherboard. See the table on the right for pin definitions.

USB Headers

Four USB 2.0 headers (USB2/3 and USB4/5) are also included on the motherboard. These may be connected to provide front side access. A USB cable (not included) is needed for the connection. See the table on the right for pin definitions.

Universal Serial Bus Ports

Pin Definitions (USB0/1, USB6)

USB0		USB1
Pin #	Definition	Pin #	Definition
1	+5V		+5V
		1
2	PO-		PO-
		2
3	PO+		PO+
		3
4	Ground		Ground
		4

Universal Serial Bus Headers

Pin Definitions (USB2/3, USB4/5)

USB2		USB3
Pin #	Definition	Pin #	Definition
1	+5V		+5V
		1
2	PO-		PO-
		2
3	PO+		PO+
		3
4	Ground		Ground
		4
5	Key		NC
		5

Note: NC indicates no connection.

Fan Headers

This motherboard has nine fan headers (Fan1 to Fan9). These 4-pin fans headers are backward compatible with 3-pin fans. However, fan speed control is available for 4-pin fans only. The fan speeds are controlled by the BIOS. See the table on the right for pin definitions

Serial Ports

The COM1 serial port is located beside the

Fan Header

Pin Definitions

Pin# Definition

1Ground

2+12V

3Tachometer

4PWR Modulation

Serial Port Pin Definitions

(COM1/COM2)

VGA port. Refer to the motherboard layout for the location of the COM2 header. See the table on the right for pin definitions.

Pin # Definition

1DCD

2RXD

3TXD

4DTR

5Ground

Pin # Definition

6DSR

7RTS

8CTS

9RI

10NC

Video Connector

A Video (VGA) connector is located below the COM Port on the IO backplane. This connector is used to provide video and CRT display.

Note: NC indicates no connection.

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