SUPER MICRO Computer 6012L-6 user manual Serial Ports, PS/2 Keyboard and Mouse Ports, Fan Headers

Chapter 5: Advanced Motherboard Setup

Serial Ports

The COM1 serial port is located under the parallel port (see Figure 2-3). See the table on the right for pin definitions. The COM2 connec- tor is a header located near the DIP switch on the motherboard.

S e ria l P o rt P in D e finitio n s

(C O M 1 , C O M 2 )

Pin Number	Definition	Pin Number	Definition
1	DCD	6	CTS
2	DSR	7	DTR
3	Serial In	8	RI
4	RTS	9	G round
5	Serial O ut	10	NC

PS/2 Keyboard and Mouse Ports

The ATX PS/2 keyboard and the PS/2 mouse are located on J11. See the table on the right for pin definitions. (The mouse port is above the keyboard port. See Fig- ure 2-3.)

P S /2 K e yb o a rd a nd M o us e P o rt P in D e finitio ns (J 1 1 )

P in

N umber D efinition

1D ata

2N C

3G round

4V C C

5C lock

6N C

Fan Headers*

The motherboard has CPU, chas- sis and overheat fan headers des- ignated CPU, CHS and OH FAN, re- spectively. See the table on the right for pin definitions.

F a n H e a d e r P in D e finitio n s

(C P U /C H S /O H F a ns )

P in
N umber	D efinition

1G round (black)

2+12V (red)

3Tachometer

Caution: These fan headers are DC power.

LAN1/LAN2 Ethernet Ports

Two Ethernet ports are located beside the VGA port on the IO backplane. These ports accept RJ45 type cables. See the next section for a description of the LEDs on the LAN ports. Both are 100 Mb Ethernet ports.

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