3.Align the other end of the retention bracket to the retention module base. A clicking sound denotes that the retention bracket is in place.

Ensure that the fan and heatsink assembly perfectly fits the retention mechanism module base, otherwise you cannot snap the retention bracket in place.

4.Push down the retention bracket lock on the retention mechanism to secure the heatsink and fan to the module base.

5.When the fan and heatsink assembly is in place, connect the CPU fan cable to the connector on the motherboard labeled CPU_FAN.

DO NOT forget to connect the CPU fan connector! Hardware monitoring errors can occur if you fail to plug this connector.

1.7System memory

1.7.1Overview

The motherboard comes with two Double Data Rate 3 (DDR3) Dual Inline Memory Modules (DIMM) sockets. The figure illustrates the location of the DDR3 DIMM sockets:

DIMM_B1

DIMM_A1

Channel

Sockets

Channel A

DIMM_A1

Channel B

DIMM_B1

M4N68T-M

M4N68T-M 240-pin DDR3 DIMM sockets

ASUS M4N68T-M

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