MSI Prestige 16 AI Studio input-remapper config for Fn+Left/Right/Up/Down -> Home/End/PageUp/PageDown

Fn keys.json

[
    {
        "input_combination": [
            {
                "type": 1,
                "code": 464,
                "origin_hash": "121bafca5e72bccfe428d54bfef7c15e"
            },
            {
                "type": 1,
                "code": 105,
                "origin_hash": "121bafca5e72bccfe428d54bfef7c15e"
            }
        ],
        "target_uinput": "keyboard",
        "output_symbol": "KEY_HOME",
        "name": "Fn+Left -> Home",
        "mapping_type": "key_macro"
    },
    {
        "input_combination": [
            {
                "type": 1,
                "code": 464,
                "origin_hash": "121bafca5e72bccfe428d54bfef7c15e"
            },
            {
                "type": 1,
                "code": 106,
                "origin_hash": "121bafca5e72bccfe428d54bfef7c15e"
            }
        ],
        "target_uinput": "keyboard",
        "output_symbol": "KEY_END",
        "name": "Fn+Right -> End",
        "mapping_type": "key_macro"
    },
    {
        "input_combination": [
            {
                "type": 1,
                "code": 464,
                "origin_hash": "121bafca5e72bccfe428d54bfef7c15e"
            },
            {
                "type": 1,
                "code": 103,
                "origin_hash": "121bafca5e72bccfe428d54bfef7c15e"
            }
        ],
        "target_uinput": "keyboard",
        "output_symbol": "KEY_PAGEUP",
        "name": "Fn+Up -> PageUp",
        "mapping_type": "key_macro"
    },
    {
        "input_combination": [
            {
                "type": 1,
                "code": 464,
                "origin_hash": "121bafca5e72bccfe428d54bfef7c15e"
            },
            {
                "type": 1,
                "code": 108,
                "origin_hash": "121bafca5e72bccfe428d54bfef7c15e"
            }
        ],
        "target_uinput": "keyboard",
        "output_symbol": "KEY_PAGEDOWN",
        "name": "Fn+Down -> PageDown",
        "mapping_type": "key_macro"
    }
]

setkeycodes-fn.service

[Unit]
Description=Call setkeycodes to assign Fn key
[Service]
Type=simple
User=root
ExecStart=setkeycodes 0xc0 0x1d0
[Install]
WantedBy=multi-user.target