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<!--由于X630-A8还没有提供I2S线，所以暂时不支持音频，一旦I2S线提供之后也是支持的，然后可以打开注释了。
-->
'''Q. There is a I2S Audio In on X630-A8, does the packing list contain an I2S cable? How to connect it?'''
A. No contain an I2S cable.
PiKVM OS does not support I2S, so it cannot be used yet.
The 10pin SH1.0 connector is for '''future''' I2S HDMI audio support. Once it supported, we will update the product information for detail use.
'''Q: How to enable OLED?'''
A: Run the following command to enable OLED display:
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systemctl enable --now kvmd-oled
ro
'''Q: Why OLED is not display?'''
A: Please confirm that your OS is right:
[[File:Pi4-V3-HAT.png|800px]]
'''Q: Why PiKVM-A3/A4 does not show the video?'''
A:
* Double-check that the video capture device is connected correctly and tightly. For the CSI bridge, this should be exactly the camera port;
* Some laptops do not output any signal until you switch the output (usually via the FN + and an F5 key on the keyboard).
* Your computer may have turned on sleep mode for the monitor. Move the mouse to turn it off.
{{GD Template Impl}}
[[File:01-X630-A8-IMG-4966-main-1.jpg|thumb|right|PiKVM PCIe， PCIe, PiKVM-A8]]
[[File:X630-A8-IMG-4940-1.jpg|thumb|right|PiKVM-A8 Parts]]
[[File:X630-A8-IMG-4949-acce.jpg|thumb|right| X630-A8 packing list]]
[[File:X630-A8-01.jpg|thumb|right|X630-A8]]
[[File:X630-A8-IMG-4965.jpg|thumb|right|PiKVM-A8]]
==READ ME==
'''Refer to the below picture, the I2S cable of the KVM-A8 should be <span style="color:red;">reverse line sequence</span>. If you receive a line that is co-directional, please change it to the correct direction，or attach order number to contact us via email(support@geekworm.com).'''
[[File:I2S-Cable-KVM-A8.jpg|400px|Right I2S Cable for KVM-A8]]
==Update History==
X630-A8 (The core expansion shield of this kit) was upated from V1.7 to '''V1.8''' in October 2023. <span style="color:red;">But amazon shop still have old version inventory, please ask for the version before purchase if you need new version.
# Support WatchDog
# RTC function can be used directly, no need to configure.
==Overview==
PiKVM-A8 is a member of the [[PiKVM]] <ref>PiKVM © belongs to https://pikvm.org</ref>family. It only supports Raspberry Pi 4 Model B. It is directly inserted into the computer case as a PCI card. That is, you can put a computer into your computer. It does not require additional cables and is more convenient to use.
==User Manual==
First you need to make sure your hardware connections are correct, please refer to the above video and diagram below. <span style="color:red;font-weight:bold">'''Important Note:'''</span> If you receive and are using the black 10pin I2S audio cable, the I2S cable maybe in the wrong wire connection. Refer to below photo.Please do not use the wrong I2S cable for KVM-A8, you need to change the I2S cable to right direction to use or attach order number to contact us via email(support@geekworm.com). [[File:I2S-Cable-KVM-A8.jpg|400px|Right I2S Cable for KVM-A8]]
===OS Download & Installation===
:We recommend that you use the ''''V3 Pre-Assembled'''' version, and this image includes OLED display configuration.
:For Raspberry Pi 4, please use [https://files.pikvm.org/images/v3-hdmi-rpi4-box-latest.img.xz PiKVM V3 platform].<span style="color:red;">Only compatible with '''PiKVM V3 OS''', NOT support '''V4'''</span>
:[[File:Pi4-V3-HAT.png|800px|PiKVM V3 platform]]
4. Power the device, then open explore to login the pikvm web ui.
===Enable RTC ===
<span style="color:red;">Only need to configure the RTC function for the X630-A8 V1.7 version, X630-A8 V1.8 don't need.</span>
Due to different RTC chips with official PiKVM hardware, you still need to '''configure RTC''' to make RTC work normally.
2. Switch OS to writable mode
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3. Edit the /boot/config.txt file, and change line <code>dtoverlay=i2c-rtc,pcf8563</code> to <code>dtoverlay=i2c-rtcds1307rtc,ds1307</code> (due to use the different RTC chip).
sudo nano /boot/config.txt
Then save & '''reboot''' the device;
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If you are using <code>PiKVM OS V3 Pre-Assembled</code>, the OLED configuration is already pre-installed, you can ignore this step.
===Enable hdmi audio===
Refer to [[Enable pikvm hdmi audio]]
==FAQ==
* You can post a issue ticket at [https://geekworm.com/community/forum/topic/78220/pikvm-faq Geekworm forum] or email to us (support@geekworm.com) and attached your installation pictures or videos to get some help.
* Blog sharing for reference: https://www.andysblog.de/kvm-over-ip-pikvm-als-bausatz
'''Q: Why PiKVM-A3/A4/A8 does not show the video only display <span class="tb_red">No Signals</span>?'''
A:
# Please check the hardware connection. Double-check that the video capture device is connected correctly and tightly.
# Make sure you use the original HDMI port. 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.
# Change the HDMI cable to test.
# Test the X630 separately to check if there is HDMI output.
# Some laptops do not output any signal until you switch the output (usually via the FN + and an F5 key on the keyboard).
# Your computer maybe enter sleep mode, please exit sleep mode.
3. Whether the raspberry pi 4 temperature is too high;
4. Maybe it is the problem of Pikvm OS itself, and needs Contact us via email to be resolved by PiKVMsupport@geekworm.com
A. No, one PiKVM-A8 can only control one pc. Please refer to [[X680]] 4-port IP KVM Switch.
su root
#default password is root also
==References==