My guess is the latter. The Pentium Pro was not heavily marketed to mainstream consumers...and to support my recollection, wikipedia says this: Despite being a

My guess is the latter. The Pentium Pro was not heavily marketed to mainstream consumers...and to support my recollection, wikipedia says this: Despite being advanced for the time, the Pentium Pro's out-of-order register renaming architecture had trouble running 16-bit code and mixed code (8-bit with 16-bit (8/16), or 16-bit with 32-bit (16/32), as using partial registers cause frequent pipeline flushing.[8] At the time it came out in 1995, a 486/DX2 was still an upper spec for a consumer machine and a Pentium was high end.