Asus KN97 User Manual - Page 21

III. INSTALLATION 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. R 20 Pins 60 Pins 88 Pins Lock 168 Pin DIMM Memory Sockets The Dual Inline Memory Module (DIMM) memory modules must be 5.0Volt Extended Data Output (EDO) DRAM. You can identify the type of DIMM module by the illustration below: III. INSTALLATION (System Memory) DRAM Key Position Voltage Key Position RFU Unbuffered Buffered 5.0V Reserved 3.3V 168-PIN DRAM DIMM Notch Key Definitions 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. ASUS KN97-X User's Manual 21