SUPER MICRO Computer I2DMR-8G2 - Manual (Page 31)

Chapter 2: Installation
2-11
To Remove:
Use your thumbs to gently push near the edge of both ends of
the module. This should release it from the slot.
2-4 I/OPorts/Control Panel Connectors
The I/O ports are color coded in conformance with the PC 99 specification.
See Figure 2-3 below for the colors and locations of the various I/O ports.
Figure 2-3. I/O Port Locations and Definitions
(*For i2DMR-
8G2 only)