Asus KN97 User Manual download pdf (Page 21)

ASUS KN97-X User’s Manual 21

III. INSTALLATION

(System Memory)

DIMM Memory Installation

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. DRAM

SIMM modules have the same pin contact on both sides. SDRAM DIMM modules

have different pint contact on each side and therefore have a higher pin density.

168 Pin DIMM Memory Sockets

20 Pins

60 Pins

88 Pins

Lock

The Dual Inline Memory Module (DIMM) memory modules must be 5.0Volt Ex-

tended Data Output (EDO) DRAM. You can identify the type of DIMM module by

the illustration below:

168-PIN DRAM DIMM Notch Key Definitions

Unbuffered

RFU

Buffered

Reserved

3.3V

5.0V

DRAM Key Position

Voltage Key Position

The notch on the DIMM module will shift between left, center, or right to identify

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

motherboard. You must ask your retailer for the specifications before purchasing.

Four clock signals are supported on this motherboard.

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Asus KN97 User Manual Page 21