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S
S
UPER
ERVER 6028U-T Series User's Manual
I-SGPIO2 Header
A Serial-Link General Purpose Input/
Output header (I-SGPIO2) supports
onboard I-SATA 4/5. See the table on
the right for pin definitions.
DOM Power Connectors
Two power connectors for SATA
DOM (Disk On Module) devices are
located at JSD1 and JSD2. These
connectors are used with Supermciro
SuperDOMs to provide backward-
compatible power support to non-
Supermicro SATADOMs that require
external power supply.
Unit Identifier Buttons/UID LED
Indicators
A rear unit identifier button (JUIDB2)
is located next to the COM port. The
connection for the front UID button
is located on pin 13 of JF1. The rear
UID LED (LED1) is located next to the
rear UID button, and the front UID LED
connection is located on pin 7 of JF1.
When you press the rear UID button,
both front and rear UID LED indicators
will be turned on. Press the UID button
again to turn off the LEDs. The UID
indicators provide easy identification
of a system unit that may be in need
of service.
Note: UID can also be triggered via
IPMI. For more information on IPMI,
please refer to the IPMI User's Guide
posted on our website.
Pin Definitions
Pin#
Definition
1
NC
3
Ground
5
Load
7
Clock
NC = No Connection
Pin Definitions
Pin#
1
2
3
UID Button
Pin#
1
2
3
4
Color/State Status
Blue: On
5-18
I-SGPIO
Pin
Definition
2
NC
4
Data
6
Ground
8
N
DOM PWR
Definition
+5V
Ground
Ground
Definition
Ground
Ground
Button In
Button In
UID LED
Status
Unit Identified
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