[MSDN Library April 2000] Loopback Send/Receive Over IPX/SPX May Not Work Under Stress (19.2537746806039%)
MSDN Library - April 2000 > Knowledge Base > Windows > Windows 95.x Retail Product
[MSDN Library April 2000] Loopback Functionality Does Not Work with Miniport Drivers (17.6055809203412%)
MSDN Library - April 2000 > Knowledge Base > Windows > Windows NT