Logitech MX510 extra buttons usable with IMPS/2 protocol?

[[sinz]]

First off, let me say that I know that using the ExplorerPS/2 protocol with imwheel and xmodmap will allow me to use all of the mouse buttons correctly under normal conditions, however, for reasons detailed in this post ( https://forums.gentoo.org/viewtopic-t-289002.html ) I must use the IMPS/2 protocol. In a nut shell, using my kvm switch kills my scroll wheel when using the ExplorerPS/2 protocol. A patch has been applied to psmouse-base.c in the gentoo-dev-sources that fixes the issue but only for the IMPS/2 protocol, so I'm stuck using that unless I find another solution that works with ExplorerPS/2. After spending countless hours searching for a solution, switching to the IMPS/2 protocol appears to be the most pratical solution (the others I've found are provided in the aforementioned post).

Currently I have the scroll wheel operating correctly as well as the standard right and left click buttons however the two side buttons do not work as they did under the ExplorerPS/2 protocol. I'm wondering if there is a way to alter my configuration such that those two buttons will be usable.

Xev reports them both as button 2 which is the same as the scroll wheel when depressed as a button so I'm not sure there is a way to distinguish them from the scroll wheel button. The following is the output of the three buttons that show as button two, pressed in the order of scroll wheel, front side button, rear side button.

[Obsidian_MH]

I wonder if you could use evdev instead of IMPS/2
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Obsidian