Dimm Memory Installation Procedures - Asus P2B-D2 User Manual

Dual pentium ii motherboard

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III. INSTALLATION

DIMM Memory Installation Procedures

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

of the breaks, the module will only fit in the orientation as shown. DRAM SIMM

modules have the same pin contacts on both sides. SDRAM DIMMs have different

pin contacts on each side and therefore have a higher pin density.

P2B-D2 168-Pin DIMM Memory Sockets

The DIMMs must be 3.3Volt unbuffered SDRAMs. 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 P2B-D2 User's Manual

Voltage Key Position

Reserved

5.0V

3.3V

Lock

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