Check the listing for details. E2411C Analysis Probe for Intel 486 - HP Agilent E2411-44103. Condition: New. Listed at 486.00 USD. These are HP Agilent Logic Analyzer E2411C Analysis Probe for Intel 486 DX / SX & Overdrive Processors utilizing a Pin Grid Array (PGA) (p/n# E2411-44103) Suitable for the 3.3 V and 5 V, 25–50 MHz Intel 486 SX, 486 DX, 486 DX2, 486 DX4, 486 OverDrive ProcessorsThese probes were part of the ATE classroom at Hewlett Packard Loveland. In 2005 Press Send bought both classrooms and most of the 3060 ATE and 67/8000 Series development systems. The other auction buyers of this test gear ground it up for gold and I did not. In the 1980s I was a student in that classroom. They are in pristine shape and have been stored with care. I can provide tech data for users that seek that. Mostly everyone has the same resources and Hewlett-Packard club connections for data sheets and manuals, but if a buyer is lacking these, we have them Shipped Insured Anywhere Inside the USA for Free Shipped Priority Insured Anywhere Outside the USA for $36.00 Combine Shipping with other Press-Send Products