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11th October 2008, 01:50 PM
|  | TST Oracle | | Join Date: Dec 2007, 8,001 posts. Location: Market Haemorrhoids, Middle England Reputation:  | | |
Yerp - the only other thing is to wrap the metal bristle cage with insulating tape to stop the brush shorting anything out. I trashed a board once that way!
__________________ Confuse and Prosper. |
11th October 2008, 01:53 PM
|  | TST Master | | Join Date: Dec 2007, 2,107 posts. Location: England Reputation: | |
A good point there Albert. Another good one is to make sure the mains is switched off but still plugged in. That way you have no live power at the pc but it is still grounded as the wall switch only switches off the live power feed and not the ground. 
__________________ "If at first you do not succeed, sit down, have a coffee, have a smoke, and think for a bit. If that still doesn't work, post it on TST". |
11th October 2008, 01:57 PM
| | TST Oracle | | Join Date: Dec 2007, 8,001 posts. Location: Market Haemorrhoids, Middle England Reputation: | | |
Agreed - the stand up rows I have had with people about leaving the the box connected but powered off! It also protects things from static as well; touching the chassis will ground you and discharge anything that has built up on clothes etc.
Thanks for you help with the sound card - shame we could not get a fix on that one!
__________________ Confuse and Prosper. |
11th October 2008, 01:58 PM
|  | TST Oracle | | Join Date: Jul 2008, 8,171 posts. Location: UK Norfolk ..... Reputation: | | |
Sensor Properties:
Sensor Type ITE IT8705F (ISA 290h)
Temperatures:
Motherboard 43 °C (109 °F)
Aux 34 °C (93 °F)
Maxtor 6L160P0 34 °C (93 °F)
Cooling Fans:
CPU 4963 RPM
Chassis 2377 RPM
Right 3 inches brown dust removed
its so quiet now
__________________ Life should NOT be a journey to the grave with the intention of arriving safely in an attractive and well preserved body, but rather to skid in sideways, chocolate in one hand, wine in the other, body thoroughly used up, totally worn out and screaming...
Damn, What a ride!! |
11th October 2008, 02:01 PM
| | TST Oracle | | Join Date: Dec 2007, 8,001 posts. Location: Market Haemorrhoids, Middle England Reputation: | | |
Now you can have a rest and chunk of chocolate, Donna!
__________________ Confuse and Prosper. |
11th October 2008, 02:03 PM
| | TST Oracle | | Join Date: Jul 2008, 8,171 posts. Location: UK Norfolk ..... Reputation: | | |
Nope now i can go shopping and celebrate with 2 bottles bubbly for later
__________________ Life should NOT be a journey to the grave with the intention of arriving safely in an attractive and well preserved body, but rather to skid in sideways, chocolate in one hand, wine in the other, body thoroughly used up, totally worn out and screaming...
Damn, What a ride!! |
11th October 2008, 02:05 PM
| | TST Oracle | | Join Date: Dec 2007, 8,001 posts. Location: Market Haemorrhoids, Middle England Reputation: | | |
Sinner!
(it's only jealousy!)
__________________ Confuse and Prosper. |
11th October 2008, 02:05 PM
| | TST Master | | Join Date: Dec 2007, 2,107 posts. Location: England Reputation: | |
An improvement, but it could still be better.
Albert, the whole point of leaving the pc plugged in with the mains turned off is to guard against static electricity. Tell those that argue that someone with almost 15 years experience in the electronics trade (me) said it's the correct thing to do.
__________________ "If at first you do not succeed, sit down, have a coffee, have a smoke, and think for a bit. If that still doesn't work, post it on TST". |
11th October 2008, 02:07 PM
| | TST Oracle | | Join Date: Dec 2007, 8,001 posts. Location: Market Haemorrhoids, Middle England Reputation: | | |
To me it is a BGO (blinding glimpse of the obvious) but somehow others don't see it that way.
Tally ho!
__________________ Confuse and Prosper. |
12th October 2008, 07:43 PM
|  | Community Moderator | | Join Date: Dec 2007, 4,345 posts. Location: Oxford, UK Reputation: | |
I never thought of that, so I have one of those anti-static wristband things that you put in a mains socket. Then again if I turn the plug off I will have to re-set my alarm clock, which I hate doing 
Also I won't be able to use the light that I use to see inside the case sometimes 
__________________
Numberwang!
A little air on the earth.
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12th October 2008, 07:51 PM
| | TST Master | | Join Date: Dec 2007, 2,107 posts. Location: England Reputation: | | |
The wrist strap is a very good idea but for one thing, it will earth the pc through you only if the mains is unplugged and this is not a good idea, i will explain why.
When working in the electronics industry and working with particularly static sensitive devices (all pc type) the company called in a static electricity expert. We were all already using wrist straps but he said that that wasn't enough, the work area had to be earthed as well. The company bought antistatic mats for the floor and for the work surfaces.
The expert said that both the work area and the people working in it all had to be earthed so that there was no chance of whats called a "potential difference" between the person and the environment. Even a small potential difference can be a conduit for a static discharge. He also said that between the wrist straps and the antistatic mats, that the mats were the most important. In other words, it's more important that the environment be static safe rather than the worker.
So to sum it all up, it is better to have the computer earthed rather than yourself if you don't have a wrist strap but it is ultimately best for both the person and the computer to be earthed.
__________________ "If at first you do not succeed, sit down, have a coffee, have a smoke, and think for a bit. If that still doesn't work, post it on TST".
Last edited by Rik; 12th October 2008 at 07:59 PM.
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12th October 2008, 07:59 PM
| | Community Moderator | | Join Date: Dec 2007, 4,345 posts. Location: Oxford, UK Reputation: | |
Hmm, maybe I should get an anti-static mat then, as what I do is pull the PC out of the desk, lean it against a bedpost (painted metal - probably steel) with wooden feet, stick the wristband on and then get on with it. I've handled everything currently in my PC with that setup and it all works. Had my fingers all over the mobo and everything
__________________
Numberwang!
A little air on the earth.
Last edited by Daveskater; 12th October 2008 at 08:16 PM.
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12th October 2008, 08:04 PM
| | TST Master | | Join Date: Dec 2007, 2,107 posts. Location: England Reputation: | | |
Seems i need to dispel a myth there.
It is rare for a static discharge to completely kill a component unless it is a large discharge.
What smaller static discharges tend to do is drastically reduce the lifespan of the components.
Most pc based components are rated at 6000 volts for insulation, sounds a lot doesn't it, but when you consider that a static discharge can be well over 20,000 volts...
__________________ "If at first you do not succeed, sit down, have a coffee, have a smoke, and think for a bit. If that still doesn't work, post it on TST". |
12th October 2008, 08:18 PM
| | Community Moderator | | Join Date: Dec 2007, 4,345 posts. Location: Oxford, UK Reputation: | |
Ahh, fair enough mate. I don't fiddle with my PC too much so long as it works, but next time I'm in Oxford I'll pop into Maplin and see if they have sme mats hehe.
Now, we'd better get back on topic about Donna's dirty fans 
__________________
Numberwang!
A little air on the earth.
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12th October 2008, 08:20 PM
| | TST Master | | Join Date: Dec 2007, 2,107 posts. Location: England Reputation: | | Clean 'em Donna.
Mats arent needed if the pc chassis is earthed via the mains.
__________________ "If at first you do not succeed, sit down, have a coffee, have a smoke, and think for a bit. If that still doesn't work, post it on TST". | | |  Only registered members can participate in forum threads. You must register or log in to contribute.
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