[MSDN Library June 1998] Signals Used by the UPS Service (97.2222222222222%)
MSDN Library Visual Studio 6.0 > Windows Resource Kits > Windows NT Server 4.0 Resource Kit > Windows NT Server Resource Guide > Chapter 5 - Preparing for and Performing Recovery > Using an Uninterruptable Power Supply
[MSDN Library June 1998] Signals Used by the UPS Service (90.025641025641%)
MSDN Library Visual Studio 6.0 > Windows Resource Kits > Windows NT Workstation 4.0 Resource Kit > Chapter 20 - Preparing for and Performing Recovery > Using an Uninterruptable Power Supply