Guys important info regarding DDR2 and your boards

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08-30-2006, 12:41 PM
NJDevilsFan21

Quote:

Originally Posted by alexio

Are there any people that don't normally do this :confused:

Well my case is a pain in the ass to get to that I have to go and unplug to get it out - but I would think it would be common sense to cut the power source when dealing with any hardware.
08-30-2006, 12:46 PM
kiwi

Quote:

Originally Posted by JamesAvery22

You can do that with some Itanium boxes :)

Actually there are servers (SunFire for example) where you can hot swap cpu, memory, disks, power supplies, expansion cards etc :)
08-30-2006, 12:51 PM
illmatik

Quote:

Originally Posted by kiwi

Actually there are servers (SunFire for example) where you can hot swap cpu, memory, disks, power supplies, expansion cards etc :)

One of our 10Ks has 17 months continuous uptime and counting after numerous failures/swaps/expansions :) great stuff!
08-30-2006, 01:03 PM
eva2000

Quote:

Originally Posted by Tony

Guys

You MUST power off your boards completely before you swap ram on ANY DDR2 board...if you do not you stand a good chance of killing the ram.

The worst boards for this are NF5 for Intel, they kill ram quicker than you can blink an eye unless the board is fully discharged.

Many boards apply voltage to the dimms while the board is in a standby state...So PLEASE power off your boards completely before you swap dimms.

Thanks

Tony

next technological break through will be hot swappable memory modules ? hehe memory addicts and testers dream LOL
08-30-2006, 01:42 PM
Kunaak

dont believe him guys... well I have 2 sets of dead ram here, that would say otherwise :(

this was the exact same advice I got from DFI on this matter.
the 5V standby voltage, if not discharged, can kill ram.
I have 2 sets of dead ram, from mysterious circumstances... and this is the most likely culprit so far, from what I have talked with the some tech guys about....
08-31-2006, 01:11 AM
alexio

Quote:

Originally Posted by Kunaak

this was the exact same advice I got from DFI on this matter.
the 5V standby voltage, if not discharged, can kill ram.
I have 2 sets of dead ram, from mysterious circumstances... and this is the most likely culprit so far, from what I have talked with the some tech guys about....

Wow, that sucks man :(

Here's what I do:

1.) Flip the powerswitch on the back of the psu.
2.) Push the powerbutton of the computer 1 or more times to discharge every component on the motherboard.
3.) Change hardware.
08-31-2006, 07:38 AM
zoob

Just because you have yet to kill a set of RAM by swapping it without removing power does NOT mean it can't happen to you.

I've hot-swapped an ISA modem and had it completely functional. Safe? Not realy, but it worked.

You can run a red light with your car late at night and make it across the road in one piece. Is that safe?

Don't call BS on advice that is there to HELP YOU, especially when it's coming from a company rep trying to keep you from killing your own hardware.
08-31-2006, 07:58 AM
DaWaN

Quote:

Originally Posted by sierra_bound

DDR2 is generally very hard to kill. The same is true of Intel CPU's. Of course, it is better to be safe than sorry, so turning off the PSU is a good idea.

Not if it's Infineon, i have killed a stick of infineon running at 4-4-4-8 PC5300 at 2,2V instead of running 4-4-4-8 PC4200 :(

Anyway I always power off my PSU and pres the power button 3x to be sure :)
09-01-2006, 09:59 AM
pentium777

Here is what I do,

1. Start, Shutdown Windows
2. Turn switch off on Power supply
3. Disconnect power cord to PS
4. Disconnect power cord to APC UPS
5. Disconnect UPS from Wall
6. Turn off UPS to avoid beeping sounds
7. Attach wrist anti-static device and ground
8. Take my finger and motion to forehead/chest/left/right arm cross (praying)
9. Remove ram avoiding putting any finger prints on them.

Then if I have a problem I go into the garage find my sledgehammer and smash everything computer related in sight.
09-05-2006, 02:54 PM
Super Nade

Quote:

Originally Posted by alexio

Wow, that sucks man :(

Here's what I do:

1.) Flip the powerswitch on the back of the psu.
2.) Push the powerbutton of the computer 1 or more times to discharge every component on the motherboard.
3.) Change hardware.

What do I do? My PSU does not have an off switch (Supermicro Ablecom PWS 0056). If I understand this correctly, discharging is via the GND pin of the PSU plug, right?
09-05-2006, 03:18 PM
OneyedK

About using the powerswitch of the PSU:
most of those switches only kill on fase of the power,
so beware, there could be some current flowing from a 2x130V-network.
Most modern networks are 230V single fase, so in that case u're safe...
(I'm talking EU here, don't know about the US)

And what do you guys think you are helping by pushing the powerswitch on the case??? The circuit that this switch is connected to doesn't discharge anything (but the circuit itself)... So don't bother, unless you want to excersise your fingers before you start swapping hardware ;-)

>> simply remove the powercord and be patient, the standby-LED is a very good indicator for the self-discharge of the bord and the components on it...
Just add a minute to be on the safe side... rma-ing things that you broke by impatience usually take longer before they come back :slap:

And yes, some ESD-precautions at home are never waisted, but I don't want to go into that discussion... Especially memory manufacturers should include the right tools in their high-end kits...

Big :thumbsup: for Tony, who says here what every memory manufacturer should have said long ago...

just my 2 cents...
09-06-2006, 02:48 PM
Tony

Quote:

Originally Posted by alexio

Wow, that sucks man :(

Here's what I do:

1.) Flip the powerswitch on the back of the psu.
2.) Push the powerbutton of the computer 1 or more times to discharge every component on the motherboard.
3.) Change hardware.

THIS IS ALL YOU NEED TO DO..... Thanks for posting this.
12-10-2006, 04:03 PM
CHRING

Quote:

Originally Posted by pentium777

Here is what I do,

1. Start, Shutdown Windows
2. Turn switch off on Power supply
3. Disconnect power cord to PS
4. Disconnect power cord to APC UPS
5. Disconnect UPS from Wall
6. Turn off UPS to avoid beeping sounds
7. Attach wrist anti-static device and ground
8. Take my finger and motion to forehead/chest/left/right arm cross (praying)
9. Remove ram avoiding putting any finger prints on them.

Then if I have a problem I go into the garage find my sledgehammer and smash everything computer related in sight.

haha lol :woot:

I must say that in the past I have swapped things without switching off the PSU completely, mostly because I was in a hurry. I'm lucky nothing happened, but it's good to make a sticky out of this!
12-10-2006, 04:16 PM
Luis_GT

I'm glad I actually turned off my PSU when I dismantelled my 680i board...phew... Though my Ram didn't die when I removed them like 5 times with my P5B deluxe on off or stand by

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