sp1_400a.exe  WINNT: Windows NT 4.0 US Service Pack 1 - Alpha
sp1_400i.exe  WINNT: Windows NT 4.0 US Service Pack 1 - Intel
sp1_400m.exe  WINNT: Windows NT 4.0 US Service Pack 1 - MIPS
sp1_400p.exe  WINNT: Windows NT 4.0 US Service Pack 1 - PowerPC
sp2_400a.exe  WINNT: Windows NT 4.0 US Service Pack 2 - Alpha
sp2_400i.exe  WINNT: Windows NT 4.0 US Service Pack 2 - Intel
sp2_400p.exe  WINNT: Windows NT 4.0 US Service Pack 2 - PowerPC
sp5_351a.exe  WINNT: Windows NT 3.51 US Service Pack 5 - Alpha
sp5_351i.exe  WINNT: Windows NT 3.51 US Service Pack 5 - Intel
sp5_351m.exe  WINNT: Windows NT 3.51 US Service Pack 5 - MIPS
sp5_351p.exe  WINNT: Windows NT 3.51 US Service Pack 5 - PowerPC