If this is your first visit, be sure to check out the FAQ by clicking the link above. You may have to register before you can post: click the register link above to proceed. To start viewing messages, select the forum that you want to visit from the selection below. |
|
|
Thread Tools | Display Modes |
#1
|
|||
|
|||
CPU-Z Can't Decide What My FSB Is...
Check out these 2 screen captures, from the same instance of CPU-Z:
14: http://tinyurl.com/fbafb 16: http://tinyurl.com/eq2lv The FSB keeps vacillating between 14 and 16 and the CPU speed gets recomputed every time. The BIOS clearly indicates a P4 3.2 w/HT and Soft Sandra indicates same. Has anyone seen this behavior in CPU-Z before? A_C |
#2
|
|||
|
|||
CPU-Z Can't Decide What My FSB Is...
I don't know much about that particular model of Pentium 4 but I do know
they run hot. I wonder if it is adjusting the clock speed of the cpu based on heat and system demand, like a mobile Pentium 4 does. "Agent_C" wrote in message ... Check out these 2 screen captures, from the same instance of CPU-Z: 14: http://tinyurl.com/fbafb 16: http://tinyurl.com/eq2lv The FSB keeps vacillating between 14 and 16 and the CPU speed gets recomputed every time. The BIOS clearly indicates a P4 3.2 w/HT and Soft Sandra indicates same. Has anyone seen this behavior in CPU-Z before? A_C |
#3
|
|||
|
|||
CPU-Z Can't Decide What My FSB Is...
If this is a prescott core, check in your bios for something like
enhanced c1 state or something like that. I think it might be related to speedstep which modulates vcore as necessary. If you disable the c1 and or speedstep, this should go away. Al On Fri, 09 Jun 2006 10:03:39 -0400, Agent_C wrote: Check out these 2 screen captures, from the same instance of CPU-Z: 14: http://tinyurl.com/fbafb 16: http://tinyurl.com/eq2lv The FSB keeps vacillating between 14 and 16 and the CPU speed gets recomputed every time. The BIOS clearly indicates a P4 3.2 w/HT and Soft Sandra indicates same. Has anyone seen this behavior in CPU-Z before? A_C |
#4
|
|||
|
|||
CPU-Z Can't Decide What My FSB Is...
"Agent_C" wrote in message...
Check out these 2 screen captures, from the same instance of CPU-Z: The FSB keeps vacillating between 14 and 16 No, that's the multiplier that's changing. The FSB speed in the two screenshots you've taken is pretty much constant at 200MHz. and the CPU speed gets recomputed every time. The BIOS clearly indicates a P4 3.2 w/HT and Soft Sandra indicates same. Has anyone seen this behavior in CPU-Z before? Yes, when looking at Intel CPU's with TM1 and TM2 thermal throttling. You seem to have started this thread on the basis that CPU-Z is telling you porkies. It isn't, the CPU is dynamically dropping its multiplier and the reportage you're seeing is correct. -- Richard Hopkins Cardiff, Wales, United Kingdom (replace nospam with pipex in reply address) The UK's leading technology reseller www.dabs.com |
#5
|
|||
|
|||
CPU-Z Can't Decide What My FSB Is...
On Sun, 11 Jun 2006 13:13:43 +0100, "Richard Hopkins"
wrote: Yes, when looking at Intel CPU's with TM1 and TM2 thermal throttling. You seem to have started this thread on the basis that CPU-Z is telling you porkies. It isn't, the CPU is dynamically dropping its multiplier and the reportage you're seeing is correct. The odd thing is, it vacillates from one second to the next, under seemingly zero load. Nothing running other than CPU-Z... 74` ambient room temperature. If I'd seen the multiplier throttling back while doing multimedia rendering, with the CPU at 100% this might look normal; but it just doesn't. It's an HP OEM machine, with practically nothing to adjust in the BIOS. ATC; think I'll make some college kid the deal of a lifetime on eBay and build that dual core machine I've been obsessing about. How does this complement sound (no comments about the SCSI, please): Abit AW8 Motherboard Intel PD 950 3.4GHz Dual Core CPU 1 GB Kingston HyperX PC6400 DDR2 800mhz RAM ATI Radion All-In-Wonder 9800 Video card Adaptec 19160 SCSI controller FUJITSU 73.5GB 15,000 RPM U320 SCSI drive Nexus Breeze 400 ultra quiet case Cheers, A_C |
#6
|
|||
|
|||
CPU-Z Can't Decide What My FSB Is...
What are the reported CPU temperatures? Throttling happens directly because
of temperature. CPU load is the main factor in CPU temperature, but an incorrectly installed heatsink, among other causes, could put a CPU teetering on the edge of throttling at idle. I'd suggest putting off building a new system until you get this problem sorted. Phil Weldon. "Agent_C" wrote in message ... | On Sun, 11 Jun 2006 13:13:43 +0100, "Richard Hopkins" | wrote: | | Yes, when looking at Intel CPU's with TM1 and TM2 thermal throttling. You | seem to have started this thread on the basis that CPU-Z is telling you | porkies. It isn't, the CPU is dynamically dropping its multiplier and the | reportage you're seeing is correct. | | The odd thing is, it vacillates from one second to the next, under | seemingly zero load. Nothing running other than CPU-Z... 74` ambient | room temperature. If I'd seen the multiplier throttling back while | doing multimedia rendering, with the CPU at 100% this might look | normal; but it just doesn't. | | It's an HP OEM machine, with practically nothing to adjust in the | BIOS. | | ATC; think I'll make some college kid the deal of a lifetime on eBay | and build that dual core machine I've been obsessing about. | | How does this complement sound (no comments about the SCSI, please): | | Abit AW8 Motherboard | Intel PD 950 3.4GHz Dual Core CPU | 1 GB Kingston HyperX PC6400 DDR2 800mhz RAM | ATI Radion All-In-Wonder 9800 Video card | Adaptec 19160 SCSI controller | FUJITSU 73.5GB 15,000 RPM U320 SCSI drive | Nexus Breeze 400 ultra quiet case | | Cheers, | | A_C | | | | | | |
#7
|
|||
|
|||
CPU-Z Can't Decide What My FSB Is...
On Mon, 12 Jun 2006 20:20:20 GMT, "Phil Weldon"
wrote: What are the reported CPU temperatures? Throttling happens directly because of temperature. CPU load is the main factor in CPU temperature, but an incorrectly installed heatsink, among other causes, could put a CPU teetering on the edge of throttling at idle. The hardware monitor in the BIOS reports 42c. The CPU fan is one of those 120mm silent types, running at 1800 rpm. I'd suggest putting off building a new system until you get this problem sorted. Good suggestion, but I'm not sure I have that kind of impulse control. Thanks, A_C |
#8
|
|||
|
|||
CPU-Z Can't Decide What My FSB Is...
'Agent_C' wrote:
| The hardware monitor in the BIOS reports 42c. The CPU fan is one of | those 120mm silent types, running at 1800 rpm. | | I'd suggest putting off building a new system until you get this problem | sorted. | | Good suggestion, but I'm not sure I have that kind of impulse control. The hardware monitor in the BIOS is not very useful. It reports the temperature of the CPU just after the system has been turned on or restarted, when the CPU is doing nothing but waiting while you read the temperature. Oh, by the way, I just noticed. YOU don't need to add '' to your replies - your newsreader should do that for the initial reply; after that it more aren't needed. Unless, of course, you are Aretha Franklin B^) Phil Weldon "Agent_C" wrote in message ... | On Mon, 12 Jun 2006 20:20:20 GMT, "Phil Weldon" | wrote: | | What are the reported CPU temperatures? Throttling happens directly because | of temperature. CPU load is the main factor in CPU temperature, but an | incorrectly installed heatsink, among other causes, could put a CPU | teetering on the edge of throttling at idle. | | The hardware monitor in the BIOS reports 42c. The CPU fan is one of | those 120mm silent types, running at 1800 rpm. | | I'd suggest putting off building a new system until you get this problem | sorted. | | Good suggestion, but I'm not sure I have that kind of impulse control. | | Thanks, | | A_C | |
Thread Tools | |
Display Modes | |
|
|
Similar Threads | ||||
Thread | Thread Starter | Forum | Replies | Last Post |
Happy Birthday America | SST | Overclocking | 333 | November 27th 03 07:54 PM |
Happy Birthday America | SST | Overclocking AMD Processors | 326 | November 27th 03 07:54 PM |
Happy Birthday America | SST | Ati Videocards | 336 | November 27th 03 07:54 PM |
Happy Birthday America | SST | Nvidia Videocards | 336 | November 27th 03 07:54 PM |