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Introducing the Mainboard
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Congratulations on purchasing the K7S5A2 mainboard. The
K7S5A2 mainboard is an ATX mainboard that uses a 4 -layer
printed circuit board and measures 244 mm x 304 mm. The
mainboard features a Socket 462 that accommodates AMD
Athlon/Duron processors supporting frontside bus (FSB)
speeds up to 133 MHz.
The K7S5A2 incorporates the SiS735 Northbridge and South-
bridge chipsets which combine support for the new high-
bandwidth Double Data Rate (DDR) 266 SDRAM, and the AC
97 audio codec.
Note: SDRAM provides 800 MBps or 1 GBps data trans-
fer depending on whether the bus is 100 MHz or
133 MHz. Double Data Rate SDRAM (DDR
SDRAM) doubles the rate to 1.6 GBps or 2.1 GBps
by transferring data on both the rising and falling
edges of the clock. DDR SDRAM uses additional
power and ground lines and requires 184-pin DIMM
modules rather than the 168-pin DIMMs used by
SDRAM.
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