| Products > Test Equipment |
| TDS3000 Dallas RTC RAM Init |
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| Miti:
--- Quote from: picburner on May 17, 2023, 07:58:07 pm --- --- Quote ---I don’t know about that, I think the MAC was still there. I will check tonight. --- End quote --- What you see in the "Instrument Setup" is not enough. There must be at nvram address 0x6f0 a mac address like 08:00:11:xx:xx:xx or you will never be able to get ethernet working. --- End quote --- Yeap, I cannot connect even though I see a MAC, but I don't think it is valid. Damn, I didn't record the original MAC. Is it written anywhere? Edit: Found it, I forgot I took a picture with the settings when I've got the scope. |
| Miti:
I have a TL866II Plus but it doesn't support DS1742W. :-- |
| picburner:
You can choose another similar NVRAM (same capacity and pinout) and lower the Vcc to 3.3V in the TL866II+ setup. |
| picburner:
--- Quote ---Edit: Found it, I forgot I took a picture with the settings when I've got the scope. --- End quote --- No, this is the default mac that appears in all tds3000 family setups when the nvram battery is empty. Mine too, just arrived with empty nvram, had the same mac (see picture). Put numbers large enough so as not to catch the same mac of another scope, not being able to know what numbers Tektronix has arrived at, there is no other choice. |
| james_s:
--- Quote from: luis garcia on May 17, 2023, 04:41:01 pm ---Miti, i own the 3014B upgraded to 600Mhz. If you own the 6139A/B probes, as I do, dont bother to upgrade to 600Mhz. In my tests there is no difference compared side to side with my TDS3054 against a 600Mhz signal. Interestingly the original TDS3064B came as well with 4x 6139A probes. I wonder if TDS 600Mhz probes ever existed. In the TDS3000B original documentation there was an illustrative comparative between TDS3054B and TDS3064B using different signals (using in both cases the 6139A probes) measuring rise time and amplitude, but I was unable to replicate these results. --- End quote --- Passive probes are useless at 600MHz, you shouldn't expect useful performance above about 250MHz really and even that's pushing it. At the higher frequencies you need either an active probe or a direct connection to the circuit under test. |
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