[volt-nuts] 3458A firmware update

[J. L. Trantham]

My impression is that it is a pre-programmed chip (or chips) that you just
need to install.  Perhaps you could get the single chip, read it, break the
file apart, program the 'set', and go from there.

Thanks for the info re Mouser.

Joe

-----Original Message-----
From: volt-nuts-bounces at febo.com [mailto:volt-nuts-bounces at febo.com] On
Behalf Of Steve
Sent: Wednesday, November 30, 2011 10:04 PM
To: Discussion of precise voltage measurement
Subject: Re: [volt-nuts] 3458A firmware update

Joe,

The chips are from Mouser - Alliance Semiconductor 62256, low power, 70 ns
through hole as the board was socketed from the factory. I will need to dig
through some paperwork for the exact part number. Also need to open the unit
to see which version of the upgrade I would need. Agilent's price for the
single chip isn't too bad but the multichip price is a bit high, especially
if I can burn them myself.

Steve



On Nov 30, 2011, at 9:48 PM, "J. L. Trantham" <jltran at att.net> wrote:

> Forgot to ask, where did you get the chips?  SMT or through hole?
> 
> Joe
> 
> -----Original Message-----
> From: volt-nuts-bounces at febo.com [mailto:volt-nuts-bounces at febo.com] On
> Behalf Of Steve Krull
> Sent: Wednesday, November 30, 2011 8:25 PM
> To: Discussion of precise voltage measurement
> Subject: [volt-nuts] 3458A firmware update
> 
> Has anyone archived a copy of the rev 9,2 firmware anywhere? I replaced 
> the NVRAM a few months ago and just added Option 001 (about $6 for the 
> four chips) and I'd like to try to upgrade the firmware from the current 
> 7,0.
> 
> Thanks,
> 
> Steve
> WBØDBS
> 
> 
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