Re: Dead Vaxstation?

[Tobias Nygren <tnn%NetBSD.org@localhost>]

On Tue, 15 Mar 2016 06:09:24 -0400
Matt Dainty <matt%bodgit-n-scarper.com@localhost> wrote:

> I came to power on my Vaxstation 4000/90, S3 switch is up which I believe
> is correct for using a serial terminal however I get nothing displayed.
> 
> The power LED lights up, I can hear the fans humming, the hard disk spins up
> and the eight diagnostic LEDs are all lit but don't ever change, even when I
> press the halt button. I know the serial terminal is good as it works on my
> DEC 3000/600.
> 
> Anything I can try? I figure the Dallas DS1287 timekeeper chip probably has
> a dead battery by now but that wouldn't stop the machine powering up
> would it?

That's what I figured too, but it actually does prevent it from POSTing.
My 4000/90 also appeared completely dead until I bodged a fresh lithium
cell into the RTC, after which it came back to life.