Intel E7520 user manual

Dual-Core Intel Xeon processor LV / E7520 Chipset / 6300ESB ICH

they are collectively called CSn#. A pound symbol (#) appended to a signal name identifies an active-low signal. Port pins are represented by the port abbreviation, a period, and the pin number (e.g., P1.0).

Dual-Core Intel® Xeon® processor LV with Intel® E7520 Chipset and Intel® 6300ESB ICH
User’s Manual	April 2007
8	Order Number: 311274-009