[HT] Taskmanager shows 1 CPU, Device Manager 2 Hi, can someone explain to me why my taskmanager only shows one CPU and my device manager recognises my PC as "ACPI multi processor PC" and shows 2 processors installed? I am 100% sure HT is enabled in the BIOS. ps: "view -> cpu history -> one cpu per graph" is greyed out pps: ASUS P4C800-E Deluxe P4 3ghz 2048MB RAM 2x120GB SATA in RAID1 MSI FX5900XT |
Problems with the Windows install? do you see 2 processors when loading up CPU-Z ? did you install XP/2000 with HT enabled in the BIOS ? |
installed an ran cpuz Hi, installed and ran cpu-z and it only finds one CPU. HT has been enabled from the day I got it. When I first installed my XP Isaw the two processors fine in Taskmanager it wasnt after I ran a repair explained in this Topic that this has started to occur. But still ... how come Device manager DOES see 2 processors? Can this be a XP trick to use the HT technology but mask it as 1 CPU? ps. the doc post says ACPI uniprocessor PC, my device manager says ACPI multiprocessor PC |
I think you should reinstall the XP install, something gone wrong with the APIC upgrade/install |
BIG <sigh> Bugger, actually dont want too! fearing I will have the same drama getting my FX5900XT to work as I had last time! So are you 100% sure that although XT seems to recognise the multiple CPUs (device manager), there is something wrong here? |
try to revert the steps you took to get the APIC set up.. that "should" work.. "should" |
I guess! here is what I think I will do; - run aquamark3 now to get a baseline (current 3dmark03 score is 5428 btw) - repair XP without pressing F5 to get normal install as before - run aquamark3 and 3dmark03 again to get a score to compare. tnx so far, I will let you know how I get on! |
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Weird shit Ok, here is what I did: (results are pretty weird) - Tests run with "dodgy" XP: 3DMark03 score: 5420 AquaMark score: 36814 (GFX:4746 CPU:8204) - Repaired XP without "F5" -> HT recognised again!!! Still ACPI multiprocessor in Device manager but now also 2 CPU's in task manager and CPU-Z sees 2 CPUs too. - Tests run: 3DMark03 score: (I broke a record by holding my breath over 10 mins while it ran :D ) 5425 AquaMark score: 36782 (GFX:4641 CPU:8862) So .... my CPU score went up as expected (although I expected it to be higher) but my GFX score dropped 100 points ?!?!? Weird ****, but anyway ... tnx for your help! :slotje: |
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