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S
S
S
UPER
TORAGE
YSTEM 6027R-E1CR12N User's Manual
5-8
Connector Definitions
Power Connectors
A 24-pin main power supply connec-
tor (JPW1) and two 8-pin CPU power
connectors (JPW2/3) must be con-
nected to the power supply. These
power connectors meet the SSI EPS
12V specification. See the table on the
right for pin definitions.
Warning: To provide adequate
power supply to the serverboard,
be sure to connect JPW1 and both
JPW2 and JPW3 to the power
supply. Failure to do so will void
the manufacturer warranty on your
power supply and serverboard.
Secondary Power Connector
JPW2 and JPW3 must also be con-
nected to the power supply. See the
table on the right for pin definitions.
Power Button
The Power On connection is on pins
1 and 2 of JF1. These should be
connected to the chassis power but-
ton. See the table on the right for pin
definitions.
Reset Button
The Reset Button connection is
located on pins 3 and 4 of JF1 and
attaches to the reset switch on the
computer chassis. See the table on
the right for pin definitions.
ATX Power 24-pin Connector
Pin Definitions
Pin#
Definition
Pin #
Definition
13
+3.3V
1
+3.3V
14
-12V
2
+3.3V
15
COM
3
COM
16
PS_ON
4
+5V
17
COM
5
COM
18
COM
6
+5V
19
COM
7
COM
20
Res (NC)
8
PWR_OK
21
+5V
9
5VSB
22
+5V
10
+12V
23
+5V
11
+12V
24
COM
12
+3.3V
+12V 8-pin Power
Pin Definitions
Pins
Definition
1 - 4
Ground
5 - 8
+12V
Required Connection
Power Button
Pin Definitions (JF1)
Pin#
Definition
1
Power Signal
2
Ground
Reset Button
Pin Definitions (JF1)
Pin#
Definition
3
Reset
4
Ground
5-18
Power Fail LED
The Power Fail LED connection is
located on pins 5 and 6 of JF1. Re-
fer to the table on the right for pin
definitions.
Overheat/Fan Fail LED (OH)
Connect an LED to the OH connection
on pins 7 and 8 of JF1 to provide ad-
vanced warning of chassis overheat-
ing. Refer to the table on the right for
pin definitions.
NIC2 (JLAN2) LED
The LED connections for JLAN2 are
on pins 9 and 10 of JF1. Attach an
LED cable to display network activ-
ity. See the table on the right for pin
definitions.
NIC1 (JLAN1) LED
The LED connections for JLAN1 are
on pins 11 and 12 of JF1. Attach an
LED cable to display network activ-
ity. See the table on the right for pin
definitions.
HDD LED
The HDD LED connection is located
on pins 13 and 14 of JF1. This LED
is used to display all IDE/SAS/SATA
activity. See the table on the right for
pin definitions.
5-19
Chapter 5: Advanced Serverboard Setup
PWR Fail LED
Pin Definitions (JF1)
Pin#
Definition
5
Vcc
6
Ground
OH/Fan Fail LED
OH/Fan Fail Indicator
Pin Definitions (JF1)
Status
Pin#
Definition
State
Definition
7
Vcc
Off
Normal
8
Ground
On
Overheat
Flash-
Fan Fail
ing
NIC2 LED
Pin Definitions (JF1)
Pin#
Definition
9
Vcc
10
Ground
NIC1 LED
Pin Definitions (JF1)
Pin#
Definition
11
Vcc
12
Ground
HDD LED
Pin Definitions (JF1)
Pin#
Definition
13
Vcc
14
HD Active
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