[volt-nuts] Fall of SRAM voltage in a 3457A without external power

Poul-Henning Kamp phk at phk.freebsd.dk
Mon Jan 25 06:50:56 EST 2016

In message <CANX10hCamahHhXqiAo9BDZU03C2bbt787Mr10RMnywK3oa8k5w at mail.gmail.com>
, "Dr. David Kirkby (Kirkby Microwave Ltd)" writes:

>ESD and leakage of the human body would probably make screw this up, so I'm
>not suggesting replacing the battery that way if you want to preserve the
>contents of the SRAM, but there's a fairly good chance the contents would
>remain in RAM if one was reasonably quick, especially if you topped the
>voltage up from the mains just before removing it from the chassis.

I usually hook up a separate battery while doing such surgery.

Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
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Never attribute to malice what can adequately be explained by incompetence.

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