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167x/166x Analyzer LAN issue

Question asked by rfdes on Aug 16, 2010
Latest reply on Aug 24, 2010 by algoss

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I'm trying to resolve a HW problem with my 1670 analyzer. The 'Lan Board'
eprom is corrupt, making the LAN option unusable. On my unit,is the LAN
board eprom located on the A3 card at the rear of the instrument? There
is a 28pin PLCC part with the HP # 1820-7730. What is the vendor number
for this part? It appears to have been made by National Semiconductor.

thanks
Jim

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algoss Aug 24, 2010 4:35 AM
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I did some internal searches, and that part number is not anywhere in the Agilent Parts System. The supplier information is usually hard to find, and quite often proprietary, even while the product is current.

You don't say which 1670 Analyzer you have. There were at least 4 models (A,D,E,G), but they are all discontinued, and out of the 5 year support life. Some of the board assemblies, and some individual parts are available through the Agilent parts site at www.parts.agilent.com. If you can identify the part number of the board that the LAN EPROM is installed on, you may be able to purchase the board through the site. The assembly partnumbers are usually 5x5 sequences, like 01670-98765

Your only other option would be eBay or a used equipment broker.

I'm sorry that I can't be of more help, but your analyzer is pretty old. The various members of that family were removed from the pricelist between 6 and 10 years ago. We can usually keep parts available for the entire 5 year support life, and quite often past that, as in this case.

Algoss
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rfdes Aug 24, 2010 9:52 AM
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Hi..
Thanks for your response.. Good to be able to talk to someone. Since I posted that
request, I've learned a few new things. The part that I am attempting to purchase
is in error. What I was ultimately attempting to do was to find out *which* part on
the CPU card contains the Ether(MAC) address. What happens, from my reading, is
that should the memory containing the Ether address become corrupted for whatever
reason, the OS will detect this and reset the Ether address to 0x000000000000. I believe
that the Ether address was/is installed in the NVRAM component which is soldered onto
the CPU card. The later versions of the 1670 (E &G) had extra code added to the user
interface to allow the operator to 'restore' the Ether address in the event the OS
reinitialized it. The early versions (A,D {I own an 'A' ver}) forced you to send the
CPU card back for a technician to reinitialize the Ether address.

Obviously, there exists (or existed) some software utility that interfaced either off
of the floppy or through the RS232 and/or the GPIB bus. That tool would allow the
Ether address to be reprogrammed into the memory device. This must have been a problem at
some point as seen by the fact the E &G models had that additional user interface hooks to
allow reinitializing.

Therefore, what I am really searching for is to HOW and reset my ether address. If
this is something you could look into I would appreciate it..

Thanks
Jim Flanagan
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algoss Aug 24, 2010 1:56 PM
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Jim,

I hate to say this, but the answer is the same... We have no way to support you.

The SW tool was probably available only internally, and after the 5 year support life, which ended in mid-2002, since it was no longer useful, it might have been deleted. With all the turmoil of the last few years, I can't even find anyone who remembers the utility.

Sorry,
Algoss
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167x/166x Analyzer LAN issue

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