DDR 600 Failure to Recognize HDD

B Lo

Member
Dec 26, 2004
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Let me begin by stating that I am not familiar with all of the terms (particularly acronyms) that I see floating around some of these enthusiast sites. So please, try not to use anything too in depth for someone just starting out to understand. Thanks!

My current setup is as follows:

P4 520 (2.8Ghz Prescott) running at 3.155Ghz
Abit DuraMax AA8 Mobo with latest BIOS revision (17, I believe)
2 x 256 Kingston HyperX PC2-5400
P.O.S. (Piece of Turd) PowerColor X300Se Radeon (slightly OC?ed from time to time)
500W Ultra Modular PSU
250GB Maxtor (DiamondMax Plus 9) HDD
Etc, etc, etc
ALL RUNNING ON STOCK VOLTAGES
Kingwin Case (426 if memory <no pun intended> serves me correctly)


Please guys, don?t turn this into an Intel bashing session. I got a really good deal on my CPU on ebay and (price/performance) it happened to be a better value than AMD.

As far as cooling, I have many, many 80 mm fans (mostly Vantec Stealth and some Antec) and a 92mm. Basically, I have two 80s in the front sucking air in, two in the back pushing it out, a 92 on the bottom sucking, an 80 at the top blowing? and on the left side panel, a pipe with an 80mm on the outside going straight down to the HSF (along with the stock fan on the Intel, which is about 90mm ish)? and last but not least, I have 2 80mm fans back to back towards the top of the left side panel above the area that houses the memory?

Oh, also stock HSF with AS5 (not sure I made a perfect connection, but I?m scared to remove the HSF as the 4 connectors seem flimsy)?

So basically, cooling is not the issue. Depending on room temp, I?ve been running in the upper 30s, lower 40s for CPU at idle? Sys temp in the mid 30s? PWM1 and PWM 2 both in upper 20s, lower 30s (ALL AT IDLE)?

So, here?s the problem (a few questions to follow)?

I tried setting my RAM to DDR600 (from 533) in the BIOS and the system fails to recognize my HDD afterwards. I didn?t know if this was a problem with the Silicon Image controller, Maxtor HDD, or what else it might be.

That?s my primary issue.

A few side questions though. (1) What does PWM stand for? (2) When overclocking, WITHOUT increasing voltages, does component life expectancy decrease? (3) When running my RAM at 1.9 instead of 1.8volts, am I hurting the life expectancy of the RAM significantly? I have a bunch more questions, however, I will cut it at this, so that I get an answer to my DDR600 question. Oh, I should mention, that my FSB is 225 (900 quad-pumped).

Thanks so much for your help everyone and happy (belated) holidays to everyone!

Finally, I?d like to apologize for the disjointed nature of this post. It?s 2AM local time and I?ve not gotten much sleep lately, as I?ve been messing around with this computer system.
 

B Lo

Member
Dec 26, 2004
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Sorry to double post... but I forgot to mention, the two fans above the memory area on the left side panel are set to blow air out of the case. Thanks again to all who reply!
 

Sc4freak

Guest
Oct 22, 2004
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1) PWM stands for Pulse Width Modulation. It is a form of control for the CPU fan, which increases or decreases the CPU fan speed according to temperature.

2) Overclocking does decrease life expectancy. But often this is ignored. Most computer compnents are built to last at least 10 years, and even if you overclock it alot it will probably only decrease lifespan by 50%. So your CPU will last 5 years instead of 10 years. Most people would've upgraded in that time, and modest overclocking doesn't reduce lifespan too much.

3) The RAM is most likely designed to run at 1.9v, to be able to reach PC-5400 speeds. It should be fine.

As for your main question, I'm not too sure of. But raising your FSB too high can sometimes cause your BIOS not to detect your SATA drives, although I've only seen this on my board (ASUS P5GD2 Deluxe) after raising the FSB to very high speeds (260+).
 

B Lo

Member
Dec 26, 2004
43
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Thanks for the reply! As far as the FSB is concerned, the SATA chain seems to be unaffected by it, as I've only raised it a bit (to 225). It's just when I adjust the memory frequency to DDR 600 that the SATA drive can't be detected. Any ideas as to what I might be able to do to correct that?