7;Discussion of precise time and
frequency measurement'
Subject: [time-nuts] Solartron 7081 ROMs
This is a call to anyone who has a Solartron 7081 and has saved a copy of
their ROMs (if you haven't you may end up in the same boat as I am - the one
that's up the creek without a paddle).
time-nuts-boun...@febo.com wrote on 04/29/2009 03:50:12 PM:
> I'm sure there was a message on this group a month or two ago,
> where the bottom
> line was to read the EPROMs with a slightly lower than usual voltage.
Look up "schmoo plots", which are used to determine the temperature by
supply v
ject: Re: [time-nuts] Solartron 7081 ROMs
> I'm sure there was a message on this group a month or two ago, where the
bottom
> line was to read the EPROMs with a slightly lower than usual voltage.
>
> Peter Vince
>
>
> On Tue Apr 28 15:40 , Brooke Clarke sent:
>
> &
precise time and frequency measurement
Subject: Re: [time-nuts] Solartron 7081 ROMs
I'm sure there was a message on this group a month or two ago, where the
bottom
line was to read the EPROMs with a slightly lower than usual voltage.
Peter Vince
On Tue Apr 28 15:40 , Brooke Clarke sent:
>
I'm sure there was a message on this group a month or two ago, where the bottom
line was to read the EPROMs with a slightly lower than usual voltage.
Peter Vince
On Tue Apr 28 15:40 , Brooke Clarke sent:
>Hi Dave:
>
>I've read that there are some tricks to coaxing the data from memory
>chips
Hi Dave:
I've read that there are some tricks to coaxing the data from memory
chips related to reading them under different conditions.
It's a lot of work, but it's possible to disassemble the code. That
would allow it to be repaired.
Have Fun,
Brooke Clarke
http://www.prc68.com
David
This is a call to anyone who has a Solartron 7081 and has saved a copy of
their ROMs (if you haven't you may end up in the same boat as I am - the one
that's up the creek without a paddle).
One of the ROMs on my earthy processor board has died.
It would appear that the ROMs in this 7081 were upda
