![]() ![]() My guess is that these adapters were either repaired or re-manufactured by Agilent (or possibly someone else) to correct a defect. Mine also came with a CD and manual, both in pristine condition. My box was unsealed, but the serial number on the box matched that on the unit. It seems likely the connector was originally hand soldered after reflow. ![]() There was a small amount of flux on the GPIB connector pins, but not nearly as much as the chips above. All the other components appear to have been machine placed with good alignment and the board was properly reflowed and cleaned. These were all clearly hand soldered, and the way the pads look I believe they are replacements. Like the others, mine had a lot of excess flux on the board, but ONLY on the Agilent 1822-0639 GPIB controller, the Cypress CY7C68013A-128AXC USB controller, the Xilinx XC9536XL CPLD, and a 5-pin SOT labeled "LTKS" that appears to be part of a switching power supply. ![]() After all the speculation, of course I couldn't keep the lid on. Quote from: MarkL on August 16, 2015, 10:06:46 pm I ordered one from this seller: $115 for me. And if they are counterfeit, it's a pretty good one. So, I don't think they're counterfeit, but it's surely stretching ebay's definition of "New: A brand-new, unused, unopened, undamaged item in its original packaging." There's no question these units have an unsavory history. I'm not sure yet if the adapter is at fault or if it's the driver. ![]() The adapter works ok under linux-gpib, but the driver is reporting occasional errors accessing registers on the adapter. I ordered one from this seller: $115 for me. ![]()
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