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Title: Doesn't play well with a Model M keyboard or high-res monitor
Review: Like many reviewers I wanted to use this switch to connect between a PS/2 PC and a USB-only laptop, with a PS/2-USB Y-adapter between the KVM and the laptop. It worked fine for connecting the keyboard and mouse to the PC, but KVM messed up the display timings for the monitor (1920x1200 resolution), resulting in a flickering, distorted image. Connecting to the laptop resulted in the same image problems, as well as the keyboard not working at all. I know these old IBM Model M keyboards draw more current than newer PS/2 keyboards, but apparently this KVM wasn't able to handle that. I sent mine back.
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