Windows NT 3.51 build 901

Windows NT 3.51 build 901.1 is an unleaked build of Windows NT 3.51, mentioned in the debug help for Windows NT 3.51

kd> !sympath \\ntstress\symbols\x86\901\symbols	change to the correct sympath

kd> dd ntbuildnumber l1	try the buildnumber again 8013c9d0 f0000385	its the right format, free version 0x385 kd> ? 385 Evaluate expression: 901 = 0x00000385	0x385 is 901 decimal. Build 901