[MSDN Library September 1992] VMCPD_Set_Virt_State (52.8466883305593%)
Product Documentation > Windows 3.1 DDK > Virtual Device Adaptation Guide > PART 1 Creating Virtual Devices > Chapter 13 Math Coprocessor
[MSDN Library June 1998] VMCPD_Set_Virt_State (50.1765087971984%)
MSDN Library Visual Studio 6.0 > DDK Documentation > Windows 95 Device Driver Kit > Kernel Services Guide > Virtual Math Coprocessor > Reference