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PiKVM Handbook
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Tuning HDMI EDID
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Device guides
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PiKVM V4 Mini & Plus
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</a>
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PiKVM V3 HAT
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</a>
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DIY PiKVM V2
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</a>
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DIY PiKVM V1
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First steps
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<li class="md-nav__item md-nav__item--nested">
|
|
|
|
|
|
|
|
|
|
|
|
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" type="checkbox" id="__nav_2_1" >
|
|
|
|
|
|
<label class="md-nav__link" for="__nav_2_1" id="__nav_2_1_label" tabindex="0">
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
Internet access
|
|
</span>
|
|
|
|
|
|
<span class="md-nav__icon md-icon"></span>
|
|
</label>
|
|
|
|
<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_1_label" aria-expanded="false">
|
|
<label class="md-nav__title" for="__nav_2_1">
|
|
<span class="md-nav__icon md-icon"></span>
|
|
Internet access
|
|
</label>
|
|
<ul class="md-nav__list" data-md-scrollfix>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../port_forwarding/" class="md-nav__link">
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
Port forwarding
|
|
</span>
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../tailscale/" class="md-nav__link">
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
Tailscale VPN
|
|
</span>
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../cloudflared/" class="md-nav__link">
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
Cloudflare Tunnel
|
|
</span>
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
</ul>
|
|
</nav>
|
|
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../wifi/" class="md-nav__link">
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
Setting up Wi-Fi
|
|
</span>
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../letsencrypt/" class="md-nav__link">
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
Let's Encrypt certificates
|
|
</span>
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
</ul>
|
|
</nav>
|
|
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item md-nav__item--active md-nav__item--section md-nav__item--nested">
|
|
|
|
|
|
|
|
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" checked>
|
|
|
|
|
|
<label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="">
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
Video
|
|
</span>
|
|
|
|
|
|
<span class="md-nav__icon md-icon"></span>
|
|
</label>
|
|
|
|
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="true">
|
|
<label class="md-nav__title" for="__nav_3">
|
|
<span class="md-nav__icon md-icon"></span>
|
|
Video
|
|
</label>
|
|
<ul class="md-nav__list" data-md-scrollfix>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../webrtc/" class="md-nav__link">
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
H.264 / WebRTC
|
|
</span>
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../video/" class="md-nav__link">
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
Working with video
|
|
</span>
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item md-nav__item--active">
|
|
|
|
<input class="md-nav__toggle md-toggle" type="checkbox" id="__toc">
|
|
|
|
|
|
|
|
|
|
|
|
<label class="md-nav__link md-nav__link--active" for="__toc">
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
Tuning HDMI EDID
|
|
</span>
|
|
|
|
|
|
<span class="md-nav__icon md-icon"></span>
|
|
</label>
|
|
|
|
<a href="./" class="md-nav__link md-nav__link--active">
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
Tuning HDMI EDID
|
|
</span>
|
|
|
|
|
|
</a>
|
|
|
|
|
|
|
|
<nav class="md-nav md-nav--secondary" aria-label="Table of contents">
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<label class="md-nav__title" for="__toc">
|
|
<span class="md-nav__icon md-icon"></span>
|
|
Table of contents
|
|
</label>
|
|
<ul class="md-nav__list" data-md-component="toc" data-md-scrollfix>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#default-edid" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
|
Default EDID
|
|
</span>
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#force-1080p-by-defailt-on-pikvm-v0" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
|
Force 1080p by defailt on PiKVM V0+
|
|
</span>
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#disable-1920x1200-on-pikvm-v4" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
|
Disable 1920x1200 on PiKVM V4
|
|
</span>
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#other-edid-examples-for-pikvm-v4" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
|
Other EDID examples for PiKVM V4
|
|
</span>
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#edid-examples-for-pikvm-v2" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
|
EDID examples for PiKVM V2+
|
|
</span>
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#editing-edid" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
|
Editing EDID
|
|
</span>
|
|
</a>
|
|
|
|
</li>
|
|
|
|
</ul>
|
|
|
|
</nav>
|
|
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../audio/" class="md-nav__link">
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
HDMI audio
|
|
</span>
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
</ul>
|
|
</nav>
|
|
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item md-nav__item--section md-nav__item--nested">
|
|
|
|
|
|
|
|
|
|
|
|
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" type="checkbox" id="__nav_4" >
|
|
|
|
|
|
<label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="">
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
Peripheral devices
|
|
</span>
|
|
|
|
|
|
<span class="md-nav__icon md-icon"></span>
|
|
</label>
|
|
|
|
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
|
|
<label class="md-nav__title" for="__nav_4">
|
|
<span class="md-nav__icon md-icon"></span>
|
|
Peripheral devices
|
|
</label>
|
|
<ul class="md-nav__list" data-md-scrollfix>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item md-nav__item--nested">
|
|
|
|
|
|
|
|
|
|
|
|
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" type="checkbox" id="__nav_4_1" >
|
|
|
|
|
|
<label class="md-nav__link" for="__nav_4_1" id="__nav_4_1_label" tabindex="0">
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
Keyboard & mouse
|
|
</span>
|
|
|
|
|
|
<span class="md-nav__icon md-icon"></span>
|
|
</label>
|
|
|
|
<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_1_label" aria-expanded="false">
|
|
<label class="md-nav__title" for="__nav_4_1">
|
|
<span class="md-nav__icon md-icon"></span>
|
|
Keyboard & mouse
|
|
</label>
|
|
<ul class="md-nav__list" data-md-scrollfix>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../mouse/" class="md-nav__link">
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
Mouse modes
|
|
</span>
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../mouse_jiggler/" class="md-nav__link">
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
Mouse jiggler
|
|
</span>
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../pico_hid/" class="md-nav__link">
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
Pico HID (USB, PS/2)
|
|
</span>
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../bluetooth_hid/" class="md-nav__link">
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
Bluetooth HID
|
|
</span>
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
</ul>
|
|
</nav>
|
|
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../msd/" class="md-nav__link">
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
Mass Storage Drive
|
|
</span>
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../usb_ethernet/" class="md-nav__link">
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
Ethernet-over-USB
|
|
</span>
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../usb_serial/" class="md-nav__link">
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
Serial-over-USB
|
|
</span>
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../usb_dynamic/" class="md-nav__link">
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
Dynamic USB configuration
|
|
</span>
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../gpio/" class="md-nav__link">
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
GPIO (pins, relays, lamps, etc)
|
|
</span>
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
</ul>
|
|
</nav>
|
|
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item md-nav__item--section md-nav__item--nested">
|
|
|
|
|
|
|
|
|
|
|
|
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" type="checkbox" id="__nav_5" >
|
|
|
|
|
|
<label class="md-nav__link" for="__nav_5" id="__nav_5_label" tabindex="">
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
Advanced usage
|
|
</span>
|
|
|
|
|
|
<span class="md-nav__icon md-icon"></span>
|
|
</label>
|
|
|
|
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
|
|
<label class="md-nav__title" for="__nav_5">
|
|
<span class="md-nav__icon md-icon"></span>
|
|
Advanced usage
|
|
</label>
|
|
<ul class="md-nav__list" data-md-scrollfix>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../on_boot_config/" class="md-nav__link">
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
On-boot configuration
|
|
</span>
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../vnc/" class="md-nav__link">
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
Using VNC
|
|
</span>
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../multiport/" class="md-nav__link">
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
Multiport KVM-over-IP
|
|
</span>
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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<li class="md-nav__item">
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<a href="../wol/" class="md-nav__link">
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<span class="md-ellipsis">
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Wake-on-LAN the server
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</span>
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</a>
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<a href="../ipmi/" class="md-nav__link">
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<span class="md-ellipsis">
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IPMI & Redfish integration
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</span>
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</a>
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</li>
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<a href="../pst/" class="md-nav__link">
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<span class="md-ellipsis">
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Persistent storage
|
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</span>
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../prometheus/" class="md-nav__link">
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<span class="md-ellipsis">
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Prometheus monitoring
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</span>
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</a>
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</li>
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<label class="md-nav__link" for="__nav_6" id="__nav_6_label" tabindex="">
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<span class="md-ellipsis">
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Development
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<span class="md-nav__icon md-icon"></span>
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Development
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<a href="../api/" class="md-nav__link">
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<span class="md-ellipsis">
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HTTP API reference
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</span>
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../building_os/" class="md-nav__link">
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<span class="md-ellipsis">
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Building PiKVM OS
|
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</span>
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</a>
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<li class="md-nav__item">
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<a href="../3d_printing/" class="md-nav__link">
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<span class="md-ellipsis">
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Cases for 3D printing
|
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</span>
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</a>
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Legacy
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<label class="md-nav__title" for="__nav_7">
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<span class="md-nav__icon md-icon"></span>
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Legacy
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<a href="../arduino_hid/" class="md-nav__link">
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<span class="md-ellipsis">
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Arduino HID
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</span>
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</a>
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</li>
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</ul>
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</nav>
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</div>
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<div class="md-sidebar md-sidebar--secondary" data-md-component="sidebar" data-md-type="toc" >
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<div class="md-sidebar__scrollwrap">
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<div class="md-sidebar__inner">
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<nav class="md-nav md-nav--secondary" aria-label="Table of contents">
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<label class="md-nav__title" for="__toc">
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<span class="md-nav__icon md-icon"></span>
|
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Table of contents
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</label>
|
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<ul class="md-nav__list" data-md-component="toc" data-md-scrollfix>
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<li class="md-nav__item">
|
|
<a href="#default-edid" class="md-nav__link">
|
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<span class="md-ellipsis">
|
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Default EDID
|
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</span>
|
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</a>
|
|
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</li>
|
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|
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<li class="md-nav__item">
|
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<a href="#force-1080p-by-defailt-on-pikvm-v0" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
|
Force 1080p by defailt on PiKVM V0+
|
|
</span>
|
|
</a>
|
|
|
|
</li>
|
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|
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<li class="md-nav__item">
|
|
<a href="#disable-1920x1200-on-pikvm-v4" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
|
Disable 1920x1200 on PiKVM V4
|
|
</span>
|
|
</a>
|
|
|
|
</li>
|
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|
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<li class="md-nav__item">
|
|
<a href="#other-edid-examples-for-pikvm-v4" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
|
Other EDID examples for PiKVM V4
|
|
</span>
|
|
</a>
|
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</li>
|
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|
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<li class="md-nav__item">
|
|
<a href="#edid-examples-for-pikvm-v2" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
|
EDID examples for PiKVM V2+
|
|
</span>
|
|
</a>
|
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|
|
</li>
|
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|
|
<li class="md-nav__item">
|
|
<a href="#editing-edid" class="md-nav__link">
|
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<span class="md-ellipsis">
|
|
Editing EDID
|
|
</span>
|
|
</a>
|
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|
|
</li>
|
|
|
|
</ul>
|
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|
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</nav>
|
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</div>
|
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</div>
|
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</div>
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<div class="md-content" data-md-component="content">
|
|
<article class="md-content__inner md-typeset">
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|
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<div><h1 id="edid">EDID<a class="headerlink" href="#edid" title="Permanent link">¶</a></h1>
|
|
<div class="admonition note">
|
|
<p class="admonition-title">Note</p>
|
|
<p>This will only apply to the CSI models include V3+, USB capture is not compatable.
|
|
Modifing the EDID may or may not work in some instances where a "no signal" might be a result of outside factors.</p>
|
|
</div>
|
|
<p>EDID is information about the video modes supported by the video capture device.
|
|
In the case of PiKVM, this is an HDMI CSI bridge. Usually, you don't need to change this, since the default configuration is quite flexible,
|
|
but sometimes, for example for strange UEFIs/BIOSes, this may be necessary (the <a href="https://github.com/pikvm/pikvm/issues/78">story</a>).</p>
|
|
<p>The EDID is stored on the PiKVM in the file <code>/etc/kvmd/tc358743-edid.hex</code>. If you write new data there, it will be applied after rebooting.</p>
|
|
<p>You can also apply the new EDID without rebooting to make sure it works:</p>
|
|
<ul>
|
|
<li>Switch filesystem to RW-mode: <code>rw</code>.</li>
|
|
<li>Create the new EDID file <code>/root/edid.hex</code> (examples of file contents are shown below).</li>
|
|
<li>Apply EDID using the command <code>kvmd-edidconf --edid=/root/edid.hex --apply</code>.</li>
|
|
<li>DO NOT REBOOT the PiKVM. Just your PC. Check the UEFI/BIOS or the OS.</li>
|
|
<li>If everything is working, you can make this config permanent: <code>kvmd-edidconf --import=/root/edid.hex</code>. This command will write the EDID to <code>/etc/kvmd/tc358743-edid.hex</code> in a pretty format.</li>
|
|
<li>Switch filesystem to RO-mode: <code>ro</code>.</li>
|
|
</ul>
|
|
<h2 id="default-edid">Default EDID<a class="headerlink" href="#default-edid" title="Permanent link">¶</a></h2>
|
|
<p>If you need to restore the default EDID you can easily do this with <code>kvmd-edidconf</code>, for example:</p>
|
|
<p></p><div class="highlight"><pre><span></span><code><span class="gp"># </span>rw
|
|
<span class="gp"># </span>kvmd-edidconf<span class="w"> </span>--import-preset<span class="o">=</span>v4plus
|
|
<span class="gp"># </span>reboot
|
|
</code></pre></div>
|
|
Available options: <code>v0</code>, <code>v1</code>, <code>v2</code>, <code>v3</code>, <code>v4mini</code> and <code>v4plus</code>.
|
|
<p>Also defaults edid can be found locally on your PiKVM: <code>/usr/share/kvmd/configs.default/kvmd/edid</code>,
|
|
or in the <a href="https://github.com/pikvm/kvmd/blob/master/configs/kvmd/edid">kvmd repo</a>.</p>
|
|
<h2 id="force-1080p-by-defailt-on-pikvm-v0">Force 1080p by defailt on PiKVM V0+<a class="headerlink" href="#force-1080p-by-defailt-on-pikvm-v0" title="Permanent link">¶</a></h2>
|
|
<p>PiKVM V3 (or DIY V0-V2) has a hardware limit of 50Hz for 1080p mode, and this is a less common frequency than 60Hz.
|
|
Therefore, on V3, the default mode is 720p. Some OS (like Proxmox) may not work well with 720p,
|
|
so you can force 1080p resolution by default:</p>
|
|
<div class="highlight"><pre><span></span><code><span class="gp"># </span>rw
|
|
<span class="gp"># </span>kvmd-edidconf<span class="w"> </span>--import-preset<span class="o">=</span>v3.1080p-by-default<span class="w"> </span><span class="c1"># Or, for example, v1.1080p-by-default</span>
|
|
<span class="gp"># </span>reboot
|
|
</code></pre></div>
|
|
<h2 id="disable-1920x1200-on-pikvm-v4">Disable 1920x1200 on PiKVM V4<a class="headerlink" href="#disable-1920x1200-on-pikvm-v4" title="Permanent link">¶</a></h2>
|
|
<p>PiKVM V4 supports the advanced capture mode of 1920x1200. If it bothers you
|
|
(for example, if you use a physical monitor 1920x1080 with <a href="../pass/">video passthrough</a>),
|
|
you can easily disable it and use only 1920x1080:</p>
|
|
<div class="highlight"><pre><span></span><code><span class="gp"># </span>rw
|
|
<span class="gp"># </span>kvmd-edidconf<span class="w"> </span>--import-preset<span class="o">=</span>v4plus.no-1920x1200<span class="w"> </span><span class="c1"># Or v4mini.no-1920x1200</span>
|
|
<span class="gp"># </span>reboot
|
|
</code></pre></div>
|
|
<h2 id="other-edid-examples-for-pikvm-v4">Other EDID examples for PiKVM V4<a class="headerlink" href="#other-edid-examples-for-pikvm-v4" title="Permanent link">¶</a></h2>
|
|
<p>PiKVM V4 can mimic many physical monitors. You can find the appropriate EDID in <a href="https://github.com/linuxhw/EDID">this database</a> and import its HEX code to PiKVM. Choose something with a maximum resolution of 1920x1080 or 1920x1200.</p>
|
|
<details class="example">
|
|
<summary>Acer B246WL, 1920x1200, with audio</summary>
|
|
<p>Taken <a href="https://github.com/linuxhw/EDID/blob/master/Digital/Acer/ACR0565/CCF78B30FE61">here</a>, as described above.
|
|
</p><div class="highlight"><pre><span></span><code>00FFFFFFFFFFFF00047265058A3F6101
|
|
101E0104A53420783FC125A8554EA026
|
|
0D5054BFEF80714F8140818081C08100
|
|
8B009500B300283C80A070B023403020
|
|
360006442100001A000000FD00304C57
|
|
5716010A202020202020000000FC0042
|
|
323436574C0A202020202020000000FF
|
|
0054384E4545303033383532320A01F8
|
|
02031CF14F9002030405060701111213
|
|
1415161F2309070783010000011D8018
|
|
711C1620582C250006442100009E011D
|
|
007251D01E206E28550006442100001E
|
|
8C0AD08A20E02D10103E960006442100
|
|
0018C344806E70B028401720A8040644
|
|
2100001E000000000000000000000000
|
|
00000000000000000000000000000096
|
|
</code></pre></div>
|
|
</details>
|
|
<details class="example">
|
|
<summary>ASUS PA248QV, 1920x1200, with audio</summary>
|
|
<p>Taken <a href="https://github.com/linuxhw/EDID/blob/master/Digital/ASUS/AUS2487/2B473481CAE6">here</a>, as described above.
|
|
</p><div class="highlight"><pre><span></span><code>00FFFFFFFFFFFF0006B3872401010101
|
|
021F010380342078EA6DB5A7564EA025
|
|
0D5054BF6F00714F8180814081C0A940
|
|
9500B300D1C0283C80A070B023403020
|
|
360006442100001A000000FD00314B1E
|
|
5F19000A202020202020000000FC0050
|
|
4132343851560A2020202020000000FF
|
|
004D314C4D51533035323135370A014D
|
|
02032AF14B900504030201111213141F
|
|
230907078301000065030C001000681A
|
|
00000101314BE6E2006A023A80187138
|
|
2D40582C450006442100001ECD5F80B0
|
|
72B0374088D0360006442100001C011D
|
|
007251D01E206E28550006442100001E
|
|
8C0AD08A20E02D10103E960006442100
|
|
001800000000000000000000000000DC
|
|
</code></pre></div>
|
|
</details>
|
|
<details class="example">
|
|
<summary>DELL D2721H to avoid black screen on some HDMI splitters, 1920x1080, no audio</summary>
|
|
<p>Taken <a href="https://github.com/linuxhw/EDID/blob/master/Digital/Dell/DEL2013/EEE824E681BF">here</a>, as described above.
|
|
</p><div class="highlight"><pre><span></span><code>00FFFFFFFFFFFF0010AC132045393639
|
|
201E0103803C22782ACD25A3574B9F27
|
|
0D5054A54B00714F8180A9C0D1C00101
|
|
010101010101023A801871382D40582C
|
|
450056502100001E000000FF00335335
|
|
475132330A2020202020000000FC0044
|
|
454C4C204432373231480A20000000FD
|
|
00384C1E5311000A2020202020200181
|
|
02031AB14F9005040302071601061112
|
|
1513141F65030C001000023A80187138
|
|
2D40582C450056502100001E011D8018
|
|
711C1620582C250056502100009E011D
|
|
007251D01E206E28550056502100001E
|
|
8C0AD08A20E02D10103E960056502100
|
|
00180000000000000000000000000000
|
|
0000000000000000000000000000004F
|
|
</code></pre></div>
|
|
</details>
|
|
<h2 id="edid-examples-for-pikvm-v2">EDID examples for PiKVM V2+<a class="headerlink" href="#edid-examples-for-pikvm-v2" title="Permanent link">¶</a></h2>
|
|
<p>Copy the contents into a file, for example <code>/root/edid.hex</code>, then follow the same steps as above.</p>
|
|
<details class="example">
|
|
<summary>1280x1024 as preferred. Useful for Gigabyte GA-H77-DS3H</summary>
|
|
<div class="highlight"><pre><span></span><code>00FFFFFFFFFFFF005262888800888888
|
|
1C150103800000780AEE91A3544C9926
|
|
0F505425400001000100010001000100
|
|
010001010101D51B0050500019400820
|
|
B80080001000001EEC2C80A070381A40
|
|
3020350040442100001E000000FC0050
|
|
492D4B564D20566964656F0A000000FD
|
|
00323D0F2E0F0000000000000000014D
|
|
02030400DE0D20A03058122030203400
|
|
F0B400000018E01500A0400016303020
|
|
3400000000000018B41400A050D01120
|
|
3020350080D810000018AB22A0A05084
|
|
1A3030203600B00E1100001800000000
|
|
00000000000000000000000000000000
|
|
00000000000000000000000000000000
|
|
00000000000000000000000000000045
|
|
</code></pre></div>
|
|
</details>
|
|
<details class="example">
|
|
<summary>1920x1080 as preferred. Useful for motherboards such as <a href="https://github.com/pikvm/pikvm/issues/715">ASRock H670 PG Riptide</a>, Gigabyte GA-H77-DS3H, MSI series such as B550M, B660M, Z690-A and X570. Also the Intel NUC.</summary>
|
|
<div class="highlight"><pre><span></span><code>00FFFFFFFFFFFF005262888800888888
|
|
1C150103800000780AEE91A3544C9926
|
|
0F505425400001000100010001000100
|
|
010001010101D32C80A070381A403020
|
|
350040442100001E7E1D00A050001940
|
|
3020370080001000001E000000FC0050
|
|
492D4B564D20566964656F0A000000FD
|
|
00323D0F2E0F000000000000000001C4
|
|
02030400DE0D20A03058122030203400
|
|
F0B400000018E01500A0400016303020
|
|
3400000000000018B41400A050D01120
|
|
3020350080D810000018AB22A0A05084
|
|
1A3030203600B00E1100001800000000
|
|
00000000000000000000000000000000
|
|
00000000000000000000000000000000
|
|
00000000000000000000000000000045
|
|
</code></pre></div>
|
|
</details>
|
|
<details class="example">
|
|
<summary>1280x1024 as preferred, disabled 1080p at all. This may be necessary in extremely rare cases if the BIOS is completely buggy. In the future, we will provide a way to dynamically switch EDID</summary>
|
|
<div class="highlight"><pre><span></span><code>00FFFFFFFFFFFF005262888800888888
|
|
1C150103800000780AEE91A3544C9926
|
|
0F50542FCF0001000100010001000100
|
|
0100010101018C2300A050001E403020
|
|
370080001000001E000000FC0050492D
|
|
4B564D20566964656F0A000000FD0032
|
|
3D0F2E0F000000000000000000000010
|
|
0000000000000000000000000000016B
|
|
02030400DE0D20A03058122030203400
|
|
F0B400000018E01500A0400016303020
|
|
3400000000000018B41400A050D01120
|
|
3020350080D810000018AB22A0A05084
|
|
1A3030203600B00E1100001800000000
|
|
00000000000000000000000000000000
|
|
00000000000000000000000000000000
|
|
00000000000000000000000000000045
|
|
</code></pre></div>
|
|
</details>
|
|
<h2 id="editing-edid">Editing EDID<a class="headerlink" href="#editing-edid" title="Permanent link">¶</a></h2>
|
|
<p>To edit the EDID, it is best to use third-party utilities, such as the recommended advanced
|
|
<a href="https://www.analogway.com/emea/products/software-tools/aw-edid-editor">AW EDID Editor</a> for Windows (it's working great in wine)
|
|
or <a href="https://sourceforge.net/projects/wxedid">wxEDID</a>. Both editors work with the binary EDID format, but you can easily import and export it
|
|
to PiKVM using the <code>kvmd-edidconf</code> utility.</p>
|
|
<p>So, to tune EDID on PiKVM, use the following steps:</p>
|
|
<ol>
|
|
<li>
|
|
<p>Switch filesystem to RW-mode: <code>rw</code>.</p>
|
|
</li>
|
|
<li>
|
|
<p>Export the system edid to the binary file <code>myedid.bin</code>:
|
|
</p><div class="highlight"><pre><span></span><code># kvmd-edidconf --export-bin=/root/myedid.bin
|
|
</code></pre></div>
|
|
</li>
|
|
<li>
|
|
<p>Copy this file to your PC with the editor. Use SCP, Putty or something like that. Open this binary file in the editor and change the necessary parameters. Edit, save and copy it back to PiKVM.</p>
|
|
</li>
|
|
<li>
|
|
<p>Convert the binary file to the HEX and test it:
|
|
</p><div class="highlight"><pre><span></span><code># kvmd-edidconf --import=/root/myedid.bin --edid=/root/myedid.hex --apply
|
|
</code></pre></div>
|
|
</li>
|
|
<li>
|
|
<p>If everything works fine, install the new EDID file into the system:
|
|
</p><div class="highlight"><pre><span></span><code># cp /root/myedid.hex /etc/kvmd/tc358743-edid.hex
|
|
</code></pre></div>
|
|
</li>
|
|
<li>
|
|
<p>Alternative to step (4) and (5): if you are confident in your abilities, you can immediately install the new <code>myedit.bin</code> into the system and apply it instantly, without the need to use the temporary <code>myedid.hex</code>:
|
|
</p><div class="highlight"><pre><span></span><code># kvmd-edidconf --import=/root/myedid.bin --apply
|
|
</code></pre></div>
|
|
</li>
|
|
<li>
|
|
<p>Switch filesystem to RO-mode: <code>ro</code>.</p>
|
|
</li>
|
|
</ol>
|
|
<p>The <code>kvmd-edidconfig</code> utility has the ability to change some simple parameters without using an external editor. For example you can change the vendor, model name and enable <a href="../audio/">HDMI audio</a> on the PiKVM virtual display:</p>
|
|
<div class="highlight"><pre><span></span><code># kvmd-edidconf --set-mfc-id=LNX --set-monitor-name=PiKVM --set-audio=1
|
|
# reboot
|
|
</code></pre></div>
|
|
<div class="admonition note">
|
|
<p class="admonition-title">Note</p>
|
|
<p>Windows cache's drivers and registry settings so changing the monitor name is not enough, you will also need to change the product ID and/or the serial number along with the monitor name:
|
|
<code># kvmd-edidconf --set-monitor-name=TOSHIBA --set-mfc-id=TTP --set-product-id=34953 --set-serial=2290649089 --apply</code></p>
|
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