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Joseph Blow
Junior Member
Member # 14978
Member Rated:

posted 15 November 2002 06:05 AM
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The fact that only ES chips (other than the 3.06) support HT suggests, rather strongly, that HT is disabled on production CPUs in the same way that the multiplier setting is: by blowing micro fuses on the CPU.
No one has figured out a way to set the multiplier on a production P4, and I suspect we ll have equally low success trying to enable HT.

For the moment, Intel wants developers to have access to HT-enabled CPUs (and they will, because a few $600 CPUs is no big deal for a decent-sized software firm), and therefore start writing threaded applications that exploit HT. As for the rest of us, well, we have a reason to *think* about spending a huge amount of money on a new CPU.

However, buying a C-1 P4 1.8GHz and cranking it up to 3.2GHz probably offers more satisfaction.


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Posts: 22 | From: Hiking, California | Registered: Aug 2002 | IP: Logged

misato
Member
Member # 9
Member Rated:

posted 17 November 2002 04:32 AM
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FYI, other variation of the 845 chipset is too able to support HTT. For starters, the 845G chipset is able to support HTT. But it must be revision B.
How to check if your 845G chipset is revision B?

use WCUPID, under device list.

Look for Device ID 2560h, revision should be 03h This indicates that your motherboard will be able to enable HTT support with HTT enable bios.

Listed below is other chipset that will be able to support HTT.

850E
845E
845G (Stepping B)
845GE
845PE
845GV