Electronics > Repair
R&S ZVB8 VNA
Harry_22:
Seems that main problem is missing SMBus Device.
Let you start with the simple things.
-First, check all supply voltages (please see the picture). The power supply here is very reliable and the absence of one voltage is very rare. But do it anyway.
-Then check the fuses on the connection board. You access them from the bottom of the device.
-And finally I suggest removing the internal device modules one by one and checking the appearance of SMBus.
fjullien:
Power supplies and fuses are good.
I agree, this missing SMBus Device is a problem.
I do have an SMB Controller. Not the good one.
Its Vendor/device ID suggests that it's a ICH8 SMB Controller. However, the board has an ICH2...
My guess is that this device is in reality the Altera CPLD. It might implement a PCI device.
Could you check what driver is used for your R&S SMB Device ?
Harry_22:
Perhaps this is a different version of the controller. I checked several ZVB20 and they are identical (please see the picture).
I also installed Win_XP on separate 1091.2814.00 controller featured by 82801BA southbridge. It shows the same 2443 system device.
Do you know your controller number?
Harry_22:
I disconnected all the modules including both ports. Software started but terminated different way. Without hardware detection fail window.
PS
It would be good to run your image on standalone controller.
fjullien:
That's exactly the same chipset. I've run CPU-Z and I get the same result as what you posted.
My mother board has a different part number (1091.2908.00) but I can't see any difference (except the CPU fan).
Could you try to see what device driver the "R&S SMBus Device" uses ?
I'll try to run the software in "standalone" mode, with the bare mother board.
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