Hyperthreading on Pentium4

Two processors means two CPUs in two sockets - such as you would find in a server board.

A Hyperthreading CPU will be seen in DM, Task Manager and every other monitoring app (CPU-Z etc) as two virtual (logical) CPU's, since it uses two parallel execution threads.

Windows will treat it, for all intents and purposes as thought it were a dual core processor, not as if it were two discrete processors (dual socket).

If it's a dual-core CPU, in the Search (Windows key) type in msconfig and go to Boot >> Advanced Options >> Number Of Processors. It'll probably be set to 1, so set it to 2 and reboot.

No. That is bad advice. That setting is for debugging purposes during the boot process only. It only affects the boot process so leave it at the default setting.

What is the motherboard make and model?

Well, I set HT to enabled in the bios, and re-installed. Still Windows shows 1 cpu graph. Then I went into bios and loaded all fields to defaults values, ( I don't know what else to try). And magically, Windows detects 2 logical cpus.

There you go. Funny thing about defaults - they tend to work. Thanks for the follow-up.

I'd like to revive this thread. My Pentium 4 3.2 is showing a paltry 1.7 performance rating after installing Windows 7. The BIOS is set to hyperthreading. The boot shows "2" processors. The Task Master shows two and I've rerun the tests. What am I missing?