SUPER MICRO Computer I2DMR-8G2 - Manual (Page 33)

Chapter 2: Installation
2-13
Power Fail LED
The Power Fail LED connection is
located on pins 5 and 6 of U66.
Refer to the table on the right for
pin definitions.
Power LED
The Power LED connection is lo-
cated on pins 15 and 16 of U66.
Refer to the table on the right for
pin definitions.
EPS 12V Power Supply 24-pin Connectors:
J20,J36--Pin Definitions
Pin Number Definition
13
+3.3V
14 -12V
15 COM
16 PS_ON#
17 COM
18 COM
19 COM
20 Res(NC)
21 +5V
22 +5V
23 +5V
24 COM
Pin Number Definition
1 +3.3V
2 +3.3V
3 COM
4 +5V
5 COM
6 +5V
7 COM
8 PWR_OK
9 5VSB
10 +12V
11 +12V
12 +3.3V
2-5 Connecting Cables
EPS 12V Power
Connector
There are two 24-pin main power
supply connector(J20, J36) on the
i 2 D M R - 8 G 2 / i 2 D M R - i G 2 . T h e s e
power connectors meet the SSI
EPS 12V specification. (*Only one
main power supply is needed.)
See the table on the right for pin
definitions.
NMI Button
The non-maskable interrupt button
header is located on pins 19 and
20 of U66. Refer to the table on
the right for pin definitions.
Pin
Number
19
20
Definition
Control
Ground
NMI Button Pin
Definitions (U66)
Pin
Number
15
16
Definition
Vcc
Control
PWR_LED Pin Definitions
(U66)
Power Fail LED Pin
Definitions
(U66)
Pin
Number
5
6
Definition
Vcc
GND
Processor Power
Connectors
I n a d d i t i o n t o t h e p r i m a r y S S I
EPS12V 24-pin power connectors
(above), there are also two 4-pin
EPS 12V/15A power connectors to
be connected to CPU Power Pods
(VRMs). Refer to the table on the
right for pin definitions.
EPS 12V Power Supply 4-pin Connectors:
Pin Definitions
Pin
Number Definition
2 Ground
4 +12V Pin
Number Definition
1 Thru
3 Thru