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Author Topic:   K6-2 380 Poor processing Efficiency
Dr_Strangelove
Celeron Worshipper
posted December 14, 1999 13:33     Click Here to See the Profile for Dr_Strangelove     Edit/Delete Message
I am running a K6-2 350 overclocked to a 380 (4X95). 128 MB SDRAM Running the NT Command Line Client turns in WU about 29 hours. SETI Spy indicates 19.69 CPU Cycles per FLOP.

My junky old Pentium 166 has an efficiency of 11.71!

Any suggestions?

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fredro
Follower of Athlon
posted December 14, 1999 21:14     Click Here to See the Profile for fredro     Edit/Delete Message
try running your memory speed at 100mhz. turbo speed. some socket 7 boards can run the memory speed separatly from the bus speed. good luck.

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CASC member
Follower of Athlon
posted December 15, 1999 11:36     Click Here to See the Profile for CASC member     Edit/Delete Message
I've got a K62-350@400, 4.0 x 100mhz bus with a 2.4v core voltage, it has been completely stable for more than 3 months now.
128mb PC100 ram clocked at 125mhz on a Asus P5A with W98 and avg 18.5 to 19.5 hrs per unit.

If you can overclock it and retain the 100mhz bus it may help your speed and like fredro said, up the speed on your ram it should bring it down some.

John

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fredro
Follower of Athlon
posted December 15, 1999 13:19     Click Here to See the Profile for fredro     Edit/Delete Message
read this link, it may explain the difference in your 350`s http://cpusite.examedia.nl/docs/cxt.html
hope it helps

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DanBall
Celeron Worshipper
posted December 21, 1999 23:16     Click Here to See the Profile for DanBall     Edit/Delete Message
All of you have store bought systems of course, they tend to be less efficient in running seti@home, because the manufacturers don't optimize the system in the BIOS. I custom built my computer (from www.tigerdirect.com , I had a Cyrix MII running at 233 MHz, 3.5x multiplier, 66MHz bus, 64 MB RAM was doing WU at an average 32 hours and 30 minutes. I just installed a AMD K6-2 running at 500 MHz, 5.0x multi, 100 MHz bus, with he same 64 MB ram, and currently does a WU at around 19 hours, with an efficiency of 16.55 according to SETI Spy, I will put 64 MB more in my computer, and I expect the time and efficieny to be lower (perhaps 10 or 11 hours and and efficiency around 10 or 11)

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CASC member
Follower of Athlon
posted December 22, 1999 00:18     Click Here to See the Profile for CASC member     Edit/Delete Message
Hi DanBall

I built my system, not many stores i would trust to build a system and the brand names don't expand very easily.

What kind of motherboard are you using ?

Is your ram PC100 SDram ?

You could try Rambooster to free up some ram before you run seti .

John

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DanBall
Celeron Worshipper
posted December 23, 1999 23:26     Click Here to See the Profile for DanBall     Edit/Delete Message
CASC member, yes one of my RAM modules is PC100. (I found that out using a benchmarking utility called SiSoft Sandra 99 Standard) The original one I bought is PNY brand and is 32MB PC66, the newer one I bought from Best Buy is Simple Technologies 32MB PC100 that I bought. (I asked for PC66, but apparently I got PC100 instead, when I had the Cyrix MII PR300)

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DanBall
Celeron Worshipper
posted December 23, 1999 23:30     Click Here to See the Profile for DanBall     Edit/Delete Message
CASC member, Also I have a Soyo 5EMA+ motherboard with 1MB L2 cache, it can have a maximum of 768 MB of SDRAM (3 DIMM slots). I wouldn't want to use any sort of RAM booster to clear up ram because it makes the swap file to large.

[This message has been edited by DanBall (edited December 26, 1999).]

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Dr_Strangelove
Celeron Worshipper
posted December 28, 1999 00:52     Click Here to See the Profile for Dr_Strangelove     Edit/Delete Message
Thank you, Gentlemen. I think I may have gotten to the bottom of this.

The motherboard (EFA Viking 3) has an option to Auto Detect the DIMM and PCI clocks. I disabled this option and sped the DIMMs up to Turbo speed and Voila! Kick Ass speed!

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