Asus F1A55-M LK R2.0 User Manual download pdf (Page 21)

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 ts 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.

1.7 System memory

1.7.1 Overview

This motherboard comes with two Double Data Rate 3 (DDR3) Dual Inline Memory Modules

(DIMM) sockets. A DDR3 module has the same physical dimensions as a DDR2 DIMM but

is notched differently to prevent installation on a DDR2 DIMM socket. DDR3 modules are

developed for better performance with less power consumption. The gure illustrates the

location of the DDR3 DIMM sockets:

Channel Sockets

Channel A DIMM_A1

Channel B DIMM_B1

F1A55-M LK R2.0

F1A55-M LK R2.0 240-pin DDR3 DIMM sockets

DIMM_A1

DIMM_B1

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Asus F1A55-M LK R2.0 User Manual Page 21