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<li>If your desktop only has a VGA display port, there may be no video signal when you use <b>VGA to HDMI adapter</b>, and there is no way to solve this; However, you can try to lower the resolution and restart the PC to test, but the probability of success is very low.</li>
[[File:X630-A5-IMG-4210-2.jpg|thumb|right|X630-A5]]
[[File:X630+X630-A3+X630-A5+0.96寸OLED+Ethernet.jpg|thumb|right|PiKVM-A3: X630+X630-A3+X630-A5+OLED for Pi 4]]
==Update History==
X630-A3 (The core expansion shield of this kit) was updated from V1.2 to '''V1.6''' in October 2023.
# Support WatchDog
# RTC function can be used directly, no need to configure.
# I2S audio cable added.
==Overview==
==Features==
* Designed especially for PiKVM ( Raspberry Pi based KVM over IP)
* For use with Raspberry Pi 4 Model B 1GB/2GB/4GB/8GB
* Fully compatible with PiKVM OS (refer to user manual)
* <span style="color:red;">Only compatible with '''PiKVM V3 OS''', NOT support '''V4'''</span>
*'''1 x X630 HDMI to CSI-2 Module'''
** 1 x FFC Cable(5cm length)
*'''1 x X630-A3 V1.2 Expansion Board'''(V1.2/V1.3/V1.6)
** 1 x USB-A to USB-C OTG Cable (Cable Length: 100cm / 39.37 inch)
** 4 x M2.5x20mm F/F Spacers
'''Note:'''
:<span style="color:red;">Please use the supplied USB Type-C to USB 2.0 A-Male Cable only. USB-C to USB-A cable only with DATA lines (for keyboard and mouse emulation)and no power supply, Using other cable might cause instability or damage to either the host PC or the Pi.
:We need to ensure you isolate the 5v connection between the Raspberry Pi and host PC to prevent backpower issues that can cause instability or damage to either the host PC or the Pi.
===Enable RTC ===
<span style="color:red;">Only need to configure the RTC function for the X630-A3 V1.5/V1.3/V1.2 version, X630-A3 V1.6 don't need.</span>
Due to different RTC chips with official PiKVM hardware, you still need to '''configure RTC''' to make RTC work normally.
Firstly, insert the '''C1220CR1220''' button battery. run the following command in web terminal window:
1. switch to 'root' user
<htmL>
<details>
<summary>Q. Why the device does not show the video only display <b><span class="tb_red">No Signals</span></b>?</summary><ul><li>Please check the hardware connection. Double-check that the video capture device is connected correctly and tightly. For </li><li>Make sure you use the CSI bridge<span class="tb_red">original HDMI</span> port. If your desktop only has a VGA display port, there may be no video signal when you use VGA to HDMI adapter, and there is no way to solve this should be exactly ; However, you can try to lower the resolution and restart the PC to test, but the probability of success is very low.</li><li>Change the HDMI cable to test.</li><li>Test the camera port;X630 separately to check if there is HDMI output.</li>
<li>Some laptops do not output any signal until you switch the output (usually via the FN + and an F5 key on the keyboard).</li>
<li>Your computer maybe enter sleep mode, please exit sleep mode</li>
</ul>
</details>
<details>
<summary>Q. How to login pikvm?</summary>
<p>A: Input the XX.XX.XX.XX ip address on the web explorer, then input user: admin, the default password is 'admin' also.</p>
</details>
<details>
<summary>Q. How to switch to root user?</summary>
<p>A: run the following command:</p>
<pre>su root</pre>
<details>
<summary>Q. How to enable OLED display?</summary>
<p>A: Run the following command to enable OLED display:</p>
<details>
<summary>Q. Why OLED is not display?</summary>
<p>A: Please follow the steps below to check</p>
<p>1. Please confirm that your OS is right:</p>
<details>
<summary>Q. I want to control several pc power. Is it possible with one PiKVM-A3 and several x630-a5</summary>
<p>A. No, one kit can only control one pc, you can refer to <a href="/X680" title="X680">X680</a> to control up to 4 PCs.</p>
</details>