SUPER MICRO Computer 6012L-6 user manual Onboard Indicators, LAN1/LAN2 LEDs, LED1/LED2 Debug LEDs

SUPERSERVER 6012L-6 User’s Manual

5-9 Onboard Indicators

LAN1/LAN2 LEDs

Each of the Ethernet ports (located be- side the VGA port) has a yellow and a green LED. See the table on the right for the functions associated with these LEDs.

CR5 LED

CR5 is an onboard LED that serves as a power indicator. See the table on the right for the meaning of each of the three colors dis- played by CR5.

1 0 0 M b L A N LE D

Ind ic a to rs (L AN 1 /L A N 2 )

LED
Color	Definition
G reen	Connected
Yellow	Active

O nb o a rd L E D P o w e r

Ind ic a to r (C R 5)

LE D
C olor	D efinition
G reen	Power O n
Y ellow	Standby Mode
R ed	W rong CPU

LED1/LED2 (Debug LEDs)

The two surface-mounted debug LEDs (LED1 and LED2) are each com- posed of four individual LEDs, which are used to provide POST code infor- mation. See the diagrams below for reading the debug LEDs and refer to Appendix B for a complete list of POST codes (a partial listing of the most common codes are given below). The description below for reading the LEDs is when viewed from the top/front side of the chassis.

Back of motherboard

1 1

2 2

4 4

8 8

LED1 LED2

1 1

2 2

4 4

8 8

LED1 LED2

Re ading the D ebug LEDs:

W hen on, each of the eight separate LEDs represent the value of the number shown beside it in the diagram. Add up the numerical values of each illuminated LED in LED2 to get the high digit and those in LED1 to get the low digit of the corresponding hexidecimal PO ST code.

Exam ple:

The example on the left indicates a hexidecimal PO ST code of C6. This is determined in the following manner: LED2 (left digit): 8 + 4 = 12 (decimal 12 = hexidecimal C)

LED1 (right digit): 4 + 2 = 6

De cim a l He xidecim a l Equivalent

Com m on PO ST Codes :

The following is a list of the most common POST codes that you may see.

PO ST C ode	M eaning
01	Displayed while in
	BIO S Setup
31	No video card
40	Displayedwhile
	counting memory

83Displayed when memory count is

	finished
85	CMO S Clear

95Displayedwhile detecting IDE devices

DE	No memory
DE	W rong type of
	memory installed

	0-9	0-9
= Unilluminated LED	10	A
	11	B
= Illuminated LED (1)	12	C
	13	D
	14	E
	15	F

DE	One memory
	module (two
	minimum required)

5-18