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S
S
UPER
ERVER 5015B-MF User's Manual
Universal Serial Bus (USB)
There are two Universal Serial Bus
ports located on the I/O panel and four
additional USB headers located on
the serverboard. The headers can be
used to provide front side USB access
(cables not included). See the table on
the right for pin defi nitions.
SGPIO Headers
The SGPIO (Serial General Purpose
Input/Output) headers are used to
communicate with a system-monitor-
ing chip on the backplane. See the
table on the right for pin defi nitions.
Power SMBUS Header
A Power SMB header is located at
SMBUS_PS. Connect the appropri-
ate cable here to utilize SMB on your
system. See the table on the right for
pin defi nitions.
Overheat LED/Fan Fail (JOH1)
The JOH1 header is used to connect
an LED to provide warning of chassis
overheating. This LED will blink to in-
dicate a fan failure. Refer to the table
on right for pin defi nitions.
Universal Serial Bus
Pin Defi nitions (USB)
USB0/1/10/11
Pin #
Defi nition
1
+5V
2
PO-
3
PO+
4
Ground
5
N/A
SGPIO Header
Pin Defi nitions (T-SGPIO-1/T-SGPIO-2)
Pin#
Defi nition
1
*NC
3
Ground
5
Load
7
Clock
NC = No Connection
Power SMB Header
Pin Defi nitions (PW4)
Pin#
Defi nition
1
Clock
2
Data
3
PWR Fail
4
Ground
5
+3.3V
OH/Fan Fail LED
States
State
Message
Solid
Overheat
Blinking
Fan Fail
5-16
USB6/7/8/9
Pin #
Defi nition
1
+5V
2
PO-
3
PO+
4
Ground
5
Key
Pin
Defi nition
2
*NC
4
DATA Out
6
Ground
8
*NC
Overheat LED
Pin Defi nitions (JOH1)
Pin#
Defi nition
1
5vDC
2
OH Active
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