Pin Counts And Other Messy Details

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The AMD Opteron 2xx processors include an interface to DDR400 (PC3200) and two 16-bit hypertransport links.

HyperTransport

76 pins per HyperTransport link for control, command, address, data, and clocks,

2 compensation resistor pins.

1 PWROK

1 LDTSTOP

2 HyperTransport Power supply pins

DDR400

16 pins for Memclk signals

2 pins clk enables

36 pins Data Strobe


128 pins Data bus

16 pins ECC bits

8 bits chip selects

3 bits RAS, CAS, WWE

14 bits address

2 bits bank

4 bits reset, ref, and two compensation resistors

  • 229 pins