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About Ram And Voltage

M

malice8691

Weaksauce
Joined
Jan 8, 2004
Messages
64
I just upgraded my mb to an abit AI7, which I am very pleased with. I bought 2 new sticks of ram to go with it as well. I bought 2 MUSHKIN cas 2 rated (2-3-3) pc3500 (433mhz) sticks. I have been running at the default voltage the mb selected which is 2.6v. I started running tests using memtest and found that I could only run stable at 429 mhz if I bumped the voltage up to 2.7v. I know I'm not hitting the limit of the cpu because I know its stable into the mid 140 mhz fsb range at stock voltage and im only running at 129 mhz fsb. I had assumed that the specs that were stated for ram were at stock voltage. Is it normal to have to bump the voltage up for the ram to perform as advertised? I don't mind running at 2.7. I think im within the safe operating range but i just thought it would perform as advertised at stock voltage.
 
I say as long as you have enough cooling on the ram, you are safe. I have 2x 256mb sticks of pc2700 running in my rig. they are running at 203fsb, cas2/3/3/5/t-1 AT 3.5V. I run them at this high voltage because the cu heatspreaders on them are are not even hot when I touch them.

since you probably won't push them to 3.5v, i say don't go above 3v without extra cooling.
 
Originally posted by f00t
I say as long as you have enough cooling on the ram, you are safe. I have 2x 256mb sticks of pc2700 running in my rig. they are running at 203fsb, cas2/3/3/5/t-1 AT 3.5V. I run them at this high voltage because the cu heatspreaders on them are are not even hot when I touch them.

since you probably won't push them to 3.5v, i say don't go above 3v without extra cooling.
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Seriously? I was afraid to push the ram voltages too far because of heat problems, but I never realized that you can crank the volt up to 3.5... 2x256mb sticks of Kingston HyperX PC3200 can handle this no problem, right? What brand is your ram by the way?
 
Its Mushkin ram. What I was getting at was. Did anyone have problems hitting thier advertised specs at stock voltage? Did you need to turn it up past stock to get it to meet the specs on the box?
 
I don't think you can do much harm to the ram running it at 2.7 or 2.8 V. Most people who overclock run at least that high. People do all sorts of volt mods to their motherboards to be able to put even more volts through their ram.
 
Did you need to turn it up past stock to get it to meet the specs on the box?
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Well....I can't quite say as the day I put the PC-3200 sticks in I jacked the ram voltages up to 2.7v and OC'd the processor as in my sig. Who cares so long as it goes where you want when you want. RAM and CPU's don't last forever :cool:

BTW, my settings are 7-3-3-2 for my Corsair XMS-3200 CL2. I suppose I could get it to go 6-3-3-2 as advertised if I played around a bit, but it doesn't seem worth the trouble.
 
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