Quote:
Originally Posted by JSWolf
It is possible that a computer from 2003 is not able to run Qt5. It depends if it has an Intel or AMD processor.
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All Intel Pentium IIIs supported the SSE feature. All Pentium 4s supported SSE and SSE2. The first Pentium III was released in February, 1999, the first Pentium 4 was released in November, 2000. Pentium IIIs shipped into 2003. Pentium 4s shipped through August 2008. So, basically, on the Intel side, you would have to go back sixteen years to find a computer that did not support SSE.
The first AMD Athlon CPU to support SSE was the Palomino class, first released in October, 2001.
This is, for all practical purposes, a non-issue as there are very few pre-2000 computers still in use. Any issue with XP and Calibre or Sigil (or Qt5) is a limitation of Windows XP, not of the hardware XP would normally run on. Modern Linux distributions do not have these software limitations.