List of Pentium Pro steppings. I was trying to add sSpec determination to x86info. It's harder than I thought, as Intel made quite a few variations of each chip. Could try and guess further based on microcode revision, but that may have been updated through software. Bummer that they only made two steppings of the 1MB cache versions. Though it does explain why they're so hard to come by I guess. cache f/m/s Mfg step speed Q0812 256 611 B0 133 Q0815 256 611 B0 133 Q0813 256 611 B0 150 Q0816 256 611 B0 150 SY002 256 611 B0 150 SY011 256 611 B0 150 SY014 256 611 B0 150 Q0822 256 612 C0 150 Q0825 256 612 C0 150 Q0826 256 612 C0 150 SY010 256 612 C0 150 Q0864 512 616 sA0 166 SY012 256 616 sA0 180 Q0858 256 616 sA0 180 Q0860 256 616 sA0 180 Q0873 256 616 sA0 180 Q0910 256 616 sA0 180 SY013 256 616 sA0 200 Q0859 256 616 sA0 200 Q0874 256 616 sA0 200 Q0865 512 616 sA0 200 SY034 512 617 sA1 166 SY047 512 617 sA1 166 Q0918 512 617 sA1 166 Q0929 512 617 sA1 166 Q935 512 617 sA1 166 SY031 256 617 sA1 180 SY039 256 617 sA1 180 SU103 256 617 sA1 180 Q0871 256 617 sA1 180 Q0907 256 617 sA1 180 SY032 256 617 sA1 200 SY040 256 617 sA1 200 SL245 256 617 sA1 200 SL247 256 617 sA1 200 SU104 256 617 sA1 200 Q076 256 617 sA1 200 Q0872 256 617 sA1 200 Q0908 256 617 sA1 200 Q0909 256 617 sA1 200 SY048 512 617 sA1 200 Q0920 512 617 sA1 200 Q0924 512 617 sA1 200 Q932 512 617 sA1 200 Q936 512 617 sA1 200 Q008 512 619 sB1 166 Q009 512 619 sB1 166 SL2FJ 512 619 sB1 166 SL22X 512 619 sB1 166 SL22S 256 619 sB1 180 SL22U 256 619 sB1 180 SL23L 256 619 sB1 180 Q033 256 619 sB1 180 Q035 256 619 sB1 180 SL22T 256 619 sB1 200 SL22V 256 619 sB1 200 SL23M 256 619 sB1 200 SL254 256 619 sB1 200 SL255 256 619 sB1 200 Q034 256 619 sB1 200 Q036 256 619 sB1 200 Q083 256 619 sB1 200 Q084 256 619 sB1 200 Q010 512 619 sB1 200 Q011 512 619 sB1 200 SL22Z 512 619 sB1 200 SL259 1024 619 sB1 200 SL25A 1024 619 sB1 200