Dimm Memory Installation Procedures - Asus XG-DLS User Manual

Dual xeon atx motherboard

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III. INSTALLATION

DIMM Memory Installation Procedures

Insert the module(s) as shown. Because the number of pins are different on either

side of the breaks, the module will only fit in the orientation as shown. DIMM

modules are longer and have different pin contact on each side and therefore have a

higher pin density. SIMM modules have the same pin contact on both sides.

X G - D L S

XG-DLS 168-Pin DIMM Memory Sockets

The DIMMs must be 3.3V Unbuffered for this motherboard. To determine the DIMM

type, check the notches on the DIMMs (see figure below).

168-Pin DIMM Notch Key Definitions (3.3V)

DRAM Key Position

RFU

Buffered

The notches on the DIMM will shift between left, center, or right to identify the type

and also to prevent the wrong type from being inserted into the DIMM slot on the

motherboard. You must tell your retailer the correct DIMM type before purchasing.

This motherboard supports four clock signals.

Unbuffered

ASUS XG-DLS User's Manual

Voltage Key Position

Reserved

5.0V

3.3V

Lock

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