Static damage was Re: OT Troubleshooting: Old computers with modern parts

[Gordon JC Pearce]

Jim Beacon wrote:
> From: "Dwight K. Elvey" <dwight.elvey at amd.com>
> 
>>>From: "Tom Jennings" <tomj at wps.com>
>>>
>>>CMOS isn't *THAT* sensitive; easy, benign, reasonable precautions
>>>are more than adequate. Ben, the days of early MOS/CMOS
>>>hypersensitivity to static are long gone. Even 1970's 4000 series
>>>had input-protection diodes.
>>
>> The 4051,4052 and 4053 were very static sensitive. But it
>>is try that most were relatively insensitive. Still, if you
>>are hitting a part with a spark large enough to make
>>a sound, you are most likely doing some damage, even if
>>it doesn't show right away.
>>Dwight
>>

I've changed an unholy amount of these in old analogue synthesizers. 
Ensoniq Mirages seem to be the worst for it.

Gordon.