SUPER MICRO Computer AS1021M-82, AS1021M-T2 Extra USB Headers, Serial Ports, Fan Headers

AS1021M-T2/1021M-82 User's Manual

Extra USB Headers

Extra Universal Serial Bus Headers

Pin Definitions (USB2/3)

Four additional USB2.0 head- ers (USB2/3) are included on the serverboard. These may be con- nected to provide front side access. A USB cable (not included) is needed for the connection. See the table on the right for pin defi nitions.

USB2

Pin # Defi nition

1+5V

2PO-

3PO+

4Ground

5Key

USB3/4

Pin # Defi nition

1+5V

2PO-

3PO+

4Ground

5No connection

Serial Ports

The COM1 port is located on the I/O backplane. COM2 is a header (see layout diagram for location). Refer to the table on the right for pin defi ni- tions.

Serial Port Pin Definitions

(COM1/COM2)

Pin #	Defi nition	Pin #	Defi nition
1	CD	6	DSR
2	RD		RTS
		7
3	TD		CTS
		8
4	DTR		RI
		9
5	Ground		NC
		10

Note: NC indicates no connection.

Fan Headers

The H8DMR-82/H8DMR-i2 has fi ve- fan headers, which are designated FAN1 through FAN5. See the table on the right for pin defi nitions.

Note: when using active heatsinks (those with fans), connect the heatsink fans to the nearest fan header.

JLAN1/2 (Ethernet Ports)

Two Gigabit Ethernet ports (desig- nated LAN1 and LAN2) are located on the I/O backplane. These Ethernet ports accept RJ45 type cables.

Fan Header

Pin Definitions

(FAN1-5)

Pin# Defi nition

1Ground (Black)

2 +12V (Red)

3 Tachometer

5-16