H163753: ECA021: PC SERVER 300 HANGS OR RE-BOOTS INTERMITTENTLY PURPOSE: This ECA provides for the replacement of the System Planar in PC Server 300 Type 8640 model 0P0, 0PT, 1P0, 1PT. Application of this ECA requires that normal PD has been performed to eliminate any other causes of intermittent hangs and / or reboots, and the System holds true to the Physical Check section in this document. This ECA will expire on January 23, 2002