© National Instruments | B-13
RMC-8356 User Manual
Disk-On-Module Power Connector
The Disk-On-Module (DOM) power connector at JSD1 provides 5 V power to a solid-state
DOM storage device connected to one of the SATA ports.
Unit Identifier Switch/UID LED Indicator
A Unit Identifier (UID) switch and an LED Indicator are located on the motherboard. The UID
switch is located at JUIDB1, which is next to the DP port on the I/O back panel. The UID LED
(LED1) is located next to the UID switch. When you press the UID switch, the UID LED will
be turned on. Press the UID switch again to turn off the LED indicator. The UID Indicator
provides easy identification of a system unit that may be in need of service.
Note UID can also be triggered via IPMI on the motherboard.
Table B-20. External I
2
C Header Pin Definitions
Pin Definition
1 Data
2 Ground
3 Clock
4 No Connection
Table B-21. DOM Power Pin Definitions
Pin Definition
1 5 V
2 Ground
3 Ground
Table B-22. UID Switch Pin Definitions
Pin Definition
1 Ground
2 Ground
3 Button In
4 Button In
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