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  • CPUs
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April 11, 2001 1:09:55 AM

I have been questing after the holy grail of my rig for a couple months now with no success so far. The holy grail being a 150 mhz FSB speed. Below are my specs.

Windows 2k
P3 1 ghz/133 mhz @ 1.05 ghz/140 mhz
ASUS p3v4x main board
250 Watt Power Supply
384 MB crucial cas-2 PC-133
Promise Fast Track 100
Sound Blaster Live
Geforce 2 MX
D-Link NiC
Maxtor Diamondmax 40gb 5400rpm on primary IDE
2 Quantum fireball as plus 7200rpm on RAID Controller
8x DVD-Rom
4x4x24 CD-r

I just can't seem to get it to run @ 150mhz fsb without a random and complete lock up a few minutes after booting into 2k. I have an alpha pep/66 hsf and several other fans in my comp. I idle at about 90 - 100 and 110 - 125 at a full load. I also attempted to raise the core voltage from 1.7 to 1.75 and that didn't help either. I was considering trying 1.8. I realize processors differ and that i could have just gotten on that can't flex as hard as other, but I just wanted to get some opnions before I just give up.

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April 11, 2001 2:00:47 AM

call it a hunch....but i would say your problems stem from trying to run the ram way out of spec. try lowering the setting to cas3. if that doesn't work and you believe that the chip will reach a 150mhz fsb, you might want to invest in some kingmax pc150 ram.
April 11, 2001 2:30:12 AM

Well, I've heard of several people running the same type of memory I have @ 150mhz @ cas-2. Maybe I got 'bad' sticks and they will not work, all though I attempted 150 mhz with my spare samsung 256 MB cas-3 module and it created the exact same lock-up.
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April 11, 2001 11:03:55 AM

i've heard the average high for crucial is around 142mhz in case 2
April 11, 2001 11:19:28 AM

So am I right in thinking 142 cas-2 is about the same as 150mhz cas-3. I saw some bench marks somewhere saying the performance hit of cas3 is equal to about 7 mhz. Another words 150 mhz cas-3 can perform about the same as 143 mhz cas-2.

<P ID="edit"><FONT SIZE=-1><EM>Edited by BuGaLoU on 04/11/01 07:20 AM.</EM></FONT></P>
April 11, 2001 11:26:01 AM

yeh the only reason to take it to case three is if you are going to take the ram into the 160 mhz range. at that point you might start to see some improvement over 142 cas2
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April 11, 2001 9:26:04 PM

Try raising your core voltage to 1.80v, or even 1.85v. I would not go over 1.90v personally. I think that 1.80v or 1.85v should take care of your problem.

Suicide is painless...........
April 12, 2001 9:43:42 AM

Yeah, I'm thinking I am goign to try that. I'm goign to attempt 1.8 and see if that helps. Am I correct here? I have a slocket. I'm going to have to adjust the voltage at the slocket via the jumpers and in the BIOS of the mobo in order to run at the specified voltage (1.8) ?
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April 12, 2001 2:07:08 PM

Read the manual on the slotket, you need to adjust either the bios or the slotket. My feelings are that if BIOS says 1.70v, you can change it there to 1.80v without touching the card.

Suicide is painless...........
!