All of the later Compaq branded KVMs, and HP ones are Avocent based, and they worked well. The IP KVMs though were less useful, as they were billing them as a remote management solution at a time when practically every Proliant going out the door came with a built in remote management solution already. The Avocent stuff only offered remote keyboard and mouse, while the built in stuff offered remote power, remote media and other features on top of the basics.



I remember this being a bit fussy on some of their earlier stuff, generally the ones with very generic on screen displays. New firmware did fix it, but some of the models had physical rom chips that had to be swapped to upgrade them. The later ones (2002ish) worked great to cascade, and I rarely saw any support issues with them.