Products > Test Equipment
TDS3012B ethernet configure failure
Galen:
Based on Yetanothertechie's experience sharing, progress was made. I downloaded the 3014B NVRAM image from this blog, and burnt in my 3014B by TL866, the Ethernet connection works well, using fixed IP. I didn't try DHCP mode.
To confirm this, I copyed the NVRAM image from my 3012B, which works for Ethernet, and burn it into the Ethernet problem 3012B, it's Ethernet function recovered.
So the Mac address maybe the cause of the problem.
So I try to only change the Mac address in my old NVRAM file, and burn in my 3012B, Ethernet fail again.
Need to do more study on this. there maybe a verification process in the NVRAM image. Maybe the Checksum?
BTW, the Mac address is stored at x06F0 - x06F5.
Thank you very much Yetanothertechie.
tv84:
If you have 2 NVRAM dumps shouldn't be much difficult to see the checksum. In hindsight, wireshark would have helped...
james_s:
Maybe the MAC address can be set from somewhere? It's possible to replace the NVRAM with a brand new empty one and have the scope work, but I've never tried with a B model so I don't know if a fresh reset puts the MAC address in the NVRAM.
giosif:
Thanks to both YetAnotherTechie and Galen I now have the Ethernet functionality on my TDS3034B restored. :-+
With this occasion, I realized the original contents of the NVRAM had been corrupted and it contained only gibberish.
I used a dump file from somewhere here on the forum and, voila, network connectivity now works like a charm.
darkstar49:
--- Quote from: giosif on June 25, 2020, 09:50:50 pm ---Thanks to both YetAnotherTechie and Galen I now have the Ethernet functionality on my TDS3034B restored. :-+
With this occasion, I realized the original contents of the NVRAM had been corrupted and it contained only gibberish.
I used a dump file from somewhere here on the forum and, voila, network connectivity now works like a charm.
--- End quote ---
Looks like I'm in the same loop... my TDS3014B worked fine, until yesterday when I tried to connect it to the network (to hack it to 500MHz, something I've already done multiple times...), I had no luck connecting to the network, although the switch's green led was lighting... tried all possible settings, no luck... and suddenly, the scope wouldn't boot anymore, shortly after the splash screen, it remains frozen, as dead... (cf. picture)
I've tried to push on the 'B Trig' button while powering it on, doesn't help...
I've no clue how to reset the scope's NVRAM... any help/pointers appreciated !!!!
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