[volt-nuts] 3458A Questions - The Sequel

Poul-Henning Kamp phk at phk.freebsd.dk
Sun Oct 30 06:28:21 UTC 2011

In message <8E6680B14BDB467798C413BB55F193C7 at cardiac5f772ce>, "J. L. Trantham" 

>Next, I would like to read the contents of the EPROM and read the
>calibration settings.  So far, I have not been able to solve that.

You need to do direct memory reads for that.

Use the 
	MREAD? <adr>
command for that, it reads 16 bits at a time.

The EPROM is at address 0...393214  [0x00000...0x5fffe]

The NVRAM is at address 393216...397310 [0x60000...0x60ffe] but only
the high byte in each word is valid.

Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.

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