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Tabulous
Regular
Posts: 34
Join Date: Apr, 2002
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« on: April 29, 2002, 06:02:50 PM » |
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Register 95 Mod...................
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Tabulous
Regular
Posts: 34
Join Date: Apr, 2002
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« Reply #1 on: April 29, 2002, 06:02:50 PM » |
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I'm right in asuming that using the CPU cooling mod will kill any raid performance you have....
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GeorgeBreese
Ace
Posts: 2,088
Join Date: Dec, 2001
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« Reply #2 on: April 30, 2002, 08:09:38 AM » |
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The register 52/55/92/95 modification can slow RAID down a little. When Windows NT/2000/XP or your cooling utility halts the CPU, the PCI bus is disrupted. These disruptions can occur thousands of times per second, and they affect the device trying to transfer data at the time.
It didn't seem to slow down my Promise RAID much. But I recall seeing some other PCI controllers being affected. And, SBLive and PCI128 sound cards are definitely affected by it.
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DoubleDoom
Green
Posts: 14
Join Date: May, 2002
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« Reply #3 on: May 04, 2002, 08:41:51 AM » |
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My sandra benchmarks dropped from over 32000 to just over 27000 with the reg 95 halt enabled.
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DoubleDoom
Green
Posts: 14
Join Date: May, 2002
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« Reply #4 on: May 04, 2002, 08:41:51 AM » |
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My sandra benchmarks dropped from over 32000 to just over 27000 with the reg 95 halt enabled.
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HauZDauG
Elite
Posts: 806
Join Date: Apr, 2002
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« Reply #5 on: May 16, 2002, 04:26:25 PM » |
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my sandra benchmarks my hd at over 15000 i have a 60 gig 7200 rpm atapi/ide 100 udma this not sound right?
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Tmagic650
Ace
Posts: 5,707
Join Date: Feb, 2002
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« Reply #6 on: May 16, 2002, 06:31:07 PM » |
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"Halt" enable did cause a hissing-poping sound in my less-than perfect AC97 on-board sound. I plan to invest in a Santa Cruz sound card next week... I disabled this great command for now. I did enjoy a significant reduction in my CPU temp though.
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GeorgeBreese
Ace
Posts: 2,088
Join Date: Dec, 2001
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« Reply #7 on: May 16, 2002, 06:38:02 PM » |
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HauzDaug, Sandra is a very pessimistic benchmark. While I can sometimes get a Sandra rating of 27000 from a single new hard disk, I can't always do so. And, if the hard disk is full of stuff already, Sandra will rate it much lower.
If you're questioning Sandra's results, then get HDTach and look at its results. But, HDTach's scores are measured in megabytes-per-second, so they can't be compared to Sandra's final score. They can be compared to either Sandra's individual scores, or to my junky-but-free HDSPEED program's scores.
The best ATA100 hard disks in my home PCs have a burst rate of 75-85 MB/second and a sustained data rate of 41MB/second.
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DoubleDoom
Green
Posts: 14
Join Date: May, 2002
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« Reply #8 on: May 16, 2002, 07:20:45 PM » |
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And don't look at mine to compare. Mine is two ATA133 drives in Raid 0 formation, using WinXP and NTFS. All these things will impact on benchmarking performance.
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HauZDauG
Elite
Posts: 806
Join Date: Apr, 2002
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« Reply #9 on: May 16, 2002, 07:36:01 PM » |
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ok i see ,once again George your great wisdom has enlightened me , and you r probably right cuz i did try your hdspeed prog and i think i was getting about the speed you mention.. yea i dont rely on sandra to tel me anything be honest except maybe a lil info but benches? i dunno bout, anywho thnks again G.B. , also, Doubledoom i wasnt looking at yours to compare i know that raid is diff ,it juss made me take a look at what my hd speed is/can do... ect and in sandra it seemed pretty low in comparison to others 8^ )
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