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| Re-enabling options on an Agilent DSO81204A? |
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| G0HZU:
--- Quote ---Here are the contents of the license.dat file: FEATURE 54857_memory agilent 1.0 permanent uncounted \ HOSTID=VDH=204AMY44000238 SIGN=189B75364D9C FEATURE clock agilent 1.0 permanent uncounted \ HOSTID=VDH=204AMY44000238 SIGN=36280F2C1F4A FEATURE 54857_memory agilent 1.0 permanent uncounted \ HOSTID=VDH=204AMY44000238 SIGN=189B75364D9C Is this what you thought it would show? --- End quote --- You've got a duplicate entry for the memory option. Maybe you typed it in twice with the option keypad system? Otherwise, it kind of makes sense but I think I need time to work a few things out. |
| swperk:
Yes, I did enter the memory option key twice. I was experimenting using the key both with and without the three-character prefix. Anyway, here are the latest license.dat file contents: FEATURE 54857_memory agilent 1.0 permanent uncounted \ HOSTID=VDH=204AMY44000238 SIGN=189B75364D9C FEATURE clock agilent 1.0 permanent uncounted \ HOSTID=VDH=204AMY44000238 SIGN=36280F2C1F4A FEATURE 54857_memory agilent 1.0 permanent uncounted \ HOSTID=VDH=204AMY44000238 SIGN=189B75364D9C FEATURE ezjit agilent 1.0 permanent uncounted \ HOSTID=VDH=204AMY44000238 SIGN=6C92E6EC3270 Just a thought: How about generating just the 12-character license key for Option 005 and then editing it into the license.dat file? The only difference between each of the lines (other than the actual key) is the descriptor. I wonder how critical it is to have the exact descriptor in the license file? Maybe trying a few well-reasoned guesses (e.g., "noise" or "bandwidth")? |
| G0HZU:
I really need a bit of time to work out how the system works. You can see from your dat file that I was trying for ezjit yet it appears to unlock ezjit plus instead? The 12 digit code is a bit like an compressed/encrypted recipe for a cake and it can be unravelled to describe the ingredients that include the option, the scope model and S/N and expiry date etc etc. Note that I'm fishing around inside a huge windows PE file to decrypt this stuff and their code is riddled with options. Some look to be hidden options and last year when I unlocked 'everything' on the 80404B scope, the list of enabled options was so long it was way, way too long for the options window on the scope display to cope with. But I don't know how many of them were actually valid for that scope model. Also there appears to be various ways to describe each option and it could be that you have to get the correct descriptor for a certain model. There are dozens of bandwidth related descriptors in their options code so your best hope is to find someone who already has option 005 and report back? |
| swperk:
I knew it wasn't likely to be a straightforward process! I will ask around and see if anyone has an Option 005 scope who might be willing to share the particulars, including the license.dat file. In the meantime, I am VERY thankful to you for all of the help you've given me on this. I'm starting to understand the process a bit better now, but I clearly have a long way to go to get anywhere close to your level! |
| G0HZU:
I did some digging in the code and found a noise only option and this may be option 005? edit: probably best to wait until you can prove this is the right option for your model number, but it appears to use noise as the feature. But I can't be certain. I'm still struggling a bit but I did also manage to finally replicate your original factory codes on the back of your scope. So some things are making more sense. The other option I found was the low speed serial option for SPI and I2C etc. Do you already have this included in the high speed option? |
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