Accesss Device Manager by typing devmgmt.msc in the RUN box, then hit enter. To the left of "Processors" should be a + sign. If you see 2 procs listed, you have a HT CPU. Another way is opening up Task Manager. If you see 2 graphs in Performance Tab, you have HT. Hope this helps.
See: http://www.intel.com/support/processors/pentium4/sb/CS-017371.htm
recently we have purchased a machine with ht processor 3.0ghz, 865 series m/b, it only shows HT when hyper threading is enabled in the BIOS,and i seen a proceesor chip that shows no HT symbol, but fsb is 800mhz, and i also use a third party s/ws , but i am not satisfied, any body can give solutions clearly please
note: there is no HT symbol in processor sticker

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