Acer Altos R720 Series - Manual (Page 94)

3 System upgrade 84
Removing and installing an ARMC/3
module
The optional ARMC/3 module provides server management firmware
and functionality to the system.
To remove an ARMC/3 module:
1 Observe the ESD precautions and pre-installation instructions
described on page 35.
2 Remove the CPU air duct. Perform the instructions described in “To
remove the CPU air duct” section on page 42.
3 Remove the NIC module.
a Pull up the module to remove it from the connector.
b Remove the three standoffs from the mainboard, then keep
the standoffs for later NIC module installation.
4 Hold the module both by the finger grip loop and by the opposite
corner (A).
Caution: Do not bend or twist the module.